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Home My WebLink About07.14.25 Board Correspondence_ FW_ DOCKET CHANGE- Application To Amend License or Exemption submitted in FERC P-2107-067 by Pacific Gas and Electric CompanyFrom:Clerk of the Board To:Clerk of the Board; Connelly, Bill; Cook, Holly; Cook, Robin; Durfee, Peter; Jessee, Meegan; Kimmelshue, Tod; Kitts, Melissa; Krater, Sharleen; Little, Melissa; Pickett, Andy; Ritter, Tami; Stephens, Brad J.; Sweeney, Kathleen; Teeter, Doug Cc:Hancock, LeAnne; Loeser, Kamie Subject:Board Correspondence: FW: DOCKET CHANGE- Application To Amend License or Exemption submitted in FERC P-2107-067 by Pacific Gas and Electric Company Date:Monday, July 14, 2025 4:27:36 PM Please see Board Correspondence -----Original Message----- From: 'FERC eSubscription' <eSubscription@ferc.gov> Sent: Monday, July 14, 2025 1:25 PM Subject: DOCKET CHANGE- Application To Amend License or Exemption submitted in FERC P-2107-067 by Pacific Gas and Electric Company .ATTENTION: This message originated from outside Butte County. Please exercise judgment before opening attachments, clicking on links, or replying.. On 6/2/2025, the following Filing was submitted to the Federal Energy Regulatory Commission (FERC), Washington D.C.: Filer: Pacific Gas and Electric Company Docket(s): P-2107-067 Lead Applicant: Pacific Gas and Electric Company Filing Type: Application To Amend License or Exemption Environmental and Recreational Compliance Report Description: Pacific Gas and Electric Company submits revised Amphibian Monitoring Plan, revised Fish and Benthic Macroinvertebrate Monitoring Plan, and request for amendment to conditions of the Section 401 Water Quality Certification re the Poe Project under P-2107. To view the document for this Filing, click here https://urldefense.com/v3/__https://elibrary.ferc.gov/eLibrary/filelist?accession_num=20250602- 5134__;!!KNMwiTCp4spf!EAbcOl_SSmZTGEmy3JyxSrNsQNFz9JrS8hufq8biRdI6X0Jk6AzyyqnL_egBHrD1qPX_aGvArP06PcyTVNg8YrYIS4hWaHS0SAIF$ To modify your subscriptions, click here: ------------------------------------------------------------------------ Please do not respond to this email. Online help is available here: https://urldefense.com/v3/__http://www.ferc.gov/efiling-help.asp__;!!KNMwiTCp4spf!EAbcOl_SSmZTGEmy3JyxSrNsQNFz9JrS8hufq8biRdI6X0Jk6AzyyqnL_egBHrD1qPX_aGvArP06PcyTVNg8YrYIS4hWaD0iIiw1$ or for phone support, call 866-208-3676. Power Generation 300 Lakeside Drive Oakland, CA 94612 Mailing Address: P.O. Box 28209 Oakland, CA 94604 June 2, 2025 Via Electronic Submittal (E-File) Debbie-Anne Reese, Secretary Federal Energy Regulatory Commission 888 First Street, NE Washington, DC 20426 RE: Poe Hydroelectric Project, FERC No. 2107-CA Section 401 Water Quality Certification Condition 1 & 9 and Section 4(e) Condition 23 Amendment Requests and Amphibian Monitoring Plan and Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Updates Dear Secretary Reese: This letter presents an amendment request for Section 401 Water Quality Certification Conditions 1 & 9 and Section 4(e) Condition 23 to the license for Pacific Gas and Electric Company’s (PG&E) Poe Hydroelectric Project, Federal Energy Regulatory Commission (FERC) No. 2107. In a filing submitted to FERC on January 25, 2024, PG&E committed to filing an amendment to the State Water Resources Control Board (SWRCB) Clean Water Act (33 U.S.C. §1341) Section 401 Water Quality Certification (WQC) Condition 1 and the United Stated Department of Agriculture, Forest Service (Forest Service) Federal Power Act Section 4(e) Condition No. 23 by December 31, 2024. PG&E filed an amendment request to the SWRCB for WQC Cond. 1, in addition to WQC Cond. 9, and an amendment request with the Forest Service for Section 4(e) Condition No. 23 on December 19, 2024. Background In the January 25, 2024, filing to FERC, PG&E stated that an application to amend WQC Cond. 1 and 4(e) Condition No. 23 would be submitted in 2024. On December 31, 2024, PG&E filed an extension of time request for May 31, 2025, to file the amendments. PG&E is proposing adding language to WQC Cond. 1 and 4(e) Condition No. 23 that allows minimum instream flow (MIF) modifications for maintenance or repairs of the dam, outlet facilities, and MIF release facilities. These amendments would provide PG&E flexibility to address future maintenance and operational needs without seeking a license amendment each time. In addition, PG&E is seeking to update the Amphibian Monitoring Plan and Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan. On February 12, 2024, SWRCB staff requested that PG&E submit a WQC amendment to remove the temperature trigger for monitoring in the Amphibian Monitoring Plan. On October 7, 2024, the SWRCB requested PG&E to submit a WQC amendment to update Table 5 biological monitoring schedule in WQC Condition 9 and the Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan. The SWRCB stated that WQC Condition 9 does not contain language that allows PG&E to update components of the Amphibian Monitoring Plan and Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan without a license amendment. Therefore, PG&E is Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Debbie-Anne Reese, Secretary June 2, 2025 Page 2 requesting to amend the WQC Condition 9 language to allow for efficient plan revisions without a license amendment. Included in this amendment request, PG&E has provided the Amphibian Monitoring Plan and Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan revisions, to meet the SWRCB’s requests. WQC Condition 1 & Section 4(e) Condition No. 23. On December 27, 2023, and January 25, 2024, letters, PG&E committed to filing an amendment that allows MIF modifications for maintenance or repairs of the dam, outlet facilities, and MIF release facilities. PG&E proposes adding language that is consistent with FERC license articles, State Water Resources Control SWRCB WQC conditions and Section 4(e) conditions found in the Bucks Creek Hydroelectric Project license, FERC No. 619, Phoenix Hydroelectric Project license, FERC No. 1061, McCloud -Pit Hydroelectric Project license, FERC No. 2106, and Balch Hydroelectric Project license, FERC No. 175. This amendment would provide PG&E additional flexibility to address future maintenance and operational needs without seeking a license amendment each time. WQC Condition 9 Amendment PG&E is also requesting an amendment to WQC Condition 9 Poe Bypass Reach Biological Monitoring. On February 12, 2024, SWRCB staff requested that PG&E submit a WQC certification amendment to support the Amphibian Monitoring Plan revision. PG&E and the SWRCB held a meeting on October 7, 2024, where it was discussed that a WQC amendment and a plan revision would be needed to revise the biological monitoring schedule in Table 5 of the Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan. PG&E is seeking to streamline the process of WQC amendments and plan revisions. Currently, WQC Condition 9 does not reflect plan revisions that have been approved by FERC, SWRCB, and Forest Service. PG&E proposes changing the language in Condition 9 to provide an efficient process to incorporate past and future revisions under Deputy Director approval. This proposed language is consistent with State Water Resources Control SWRCB WQC conditions found in the Bucks Creek Hydroelectric Project license, FERC No. 619. This amendment would provide PG&E with the ability to adopt plan revisions more efficiently and maintain consistency between the WQC conditions in the license and the management strategies in the plans. Revisions to the Amphibian Monitoring Plan and the Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan are outlined below. Poe Amphibian Monitoring Plan Revision PG&E is respectfully requesting a revision to the Poe Amphibian Monitoring Plan (Plan). PG&E requests that the triggered temperature monitoring requirement for foothill yellow - legged frog (FYLF; Rana boylii) be removed. WQC Condition 9 states that “Monitoring shall commence once the temperature of the North Fork Feather River at Gage 23 exceeds 10 degrees Celsius (°C) mean daily water temperature on two successive days or April 15 of each year, whichever occurs first.” In the event temperatures exceed 10°C mean daily water temperature on two successive days before April 15, PG&E does not have the capability to Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Debbie-Anne Reese, Secretary June 2, 2025 Page 3 mobilize field crews for emergent monitoring. PG&E has requested a (Plan) revision that would satisfy the intent behind this requirement. Amphibians in the Poe bypass reach begin to move to breeding sites using a variety of environmental cues, one of which is when water temperatures consistently exceed 10°C. The intent behind the triggered temperature monitoring requirements is to capture breeding if climate change causes temperatures to exceed 10°C regularly before April 15. To accomplish this, PG&E has a temperature gage at NF23 and will begin analyzing main stem water temperature in association with the initiation of breeding to determine if breeding is being triggered earlier each year over time. If this occurs, then PG&E will monitor prior to April 15 each year, and if temperatures of NF23 exceed 10°C mean daily water temperature on two successive days prior to April 15, then the following year’s breeding survey may begin prior to April 15. Pursuant to the Plan revision section, PG&E met with the Forest Service, SWRCB, USFWS, and CDFW (collectively, Agencies) on July 27, 2022, to discuss this revision. On April 16, 2023, PG&E emailed a redlined and clean Poe Amphibian Monitoring Plan to the A gencies for review. The USFWS had some clarifying questions that were both answered by phone with PG&E’s amphibian biologist and addressed during a meeting with Agencies. The Forest Service responded with concurrence with the revision. Following the plan’s revision text, PG&E filed a letter with the Forest Service’s Forest Supervisor and SWRCB’s Deputy Director on November 14, 2023. PG&E filed an Amphibian Monitoring Plan revision with FERC on December 26, 2023. On February 12, 2024, SWRCB staff requested that PG&E submit a WQC certification amendment to support the Amphibian Monitoring Plan revision. PG&E has added a new requirement to Poe Amphibian Monitoring Plan that meets the intent of the triggered temperature monitoring requirements; therefore, PG&E respectfully requests removing the triggered monitoring requirement from the Plan. Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Revision The Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan (Plan), complies with the fish population and benthic macroinvertebrate monitoring required by SWRCB WQC Condition 9, which were also incorporated into FERC License Article 401 (FERC 2018). A revision to the monitoring schedule blocks in the Plan is needed to accurately reflect the incorporated additional year of monitoring ordered in 2023. On May 16, 2024, FERC approved shifting the year representing the start of monitoring from license Year 2 (2020) to license Year 3 (2021), to correct and acknowledge the delay in monitoring implementation due to the 2020 North Complex Fire . On July 28, 2023, FERC approved a temporary minimum instream flow variance to complete dam safety work on Poe Dam and ordered PG&E to conduct an additional year of monitoring under the Plan. On February 28, 2024, PG&E held a meeting with the Agencies and provided clarification on PG&E’s proposal to conduct fish and BMI monitoring in 2024. The Agencies were amenable to this approach. However, PG&E would like to propose this revision to the block period and monitoring years of the schedule: Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Debbie-Anne Reese, Secretary June 2, 2025 Page 4 PG&E performed the additional year of monitoring in Year 6 (2024) and is requesting to revise Block 1 of the monitoring schedule to reflect this as monitoring in Year 6 (2024) of the license. Concurrently, Year 7 (2025) will be added to the monitoring schedule to avoid shifting the monitoring blocks. After Year 7 monitoring (2025) is performed, the monitoring schedule would remain identical, and the additional year of monitoring would be complete. PG&E respectfully seeks this revision to maintain clarity and consistency in the Plan’s monitoring schedule. Agency Consultation On October 24, 2024, PG&E requested a “Pre-filing Meeting” with SWRCB staff, initiating the 30-day waiting period. The meeting took place on December 5, 2024, during which the following amendments and plan revisions were discussed. The Forest Service, United States Fish and Wildlife Service (USFWS), and California Department of Fish and Wildlife (CDFW) were in attendance. The Environmental Protection Act gives the SWRCB a full year to respond to PG&E’s amendment request. PG&E requested comments or concurre nces from the SWRCB and the Forest Service by February 15, 2025, however, has not received agency comments at this time. PG&E will file concurrence with FERC once received. Closing PG&E is respectfully requesting: WQC amendments: • Condition 1: Including language to allow MIF modifications for maintenance or repairs of the dam, outlet facilities, and MIF release facilities. • Condition 9: Revising language in WQC Condition 9 to allow for an efficient process for plan revisions. Plan revisions: • Removing the triggered temperature monitoring requirement for FYLF in the Amphibian Monitoring Plan. • Including an additional year of monitoring into the monitoring schedule blocks in The Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan. Enclosures • Amended 401 WQC: a clean copy (Enclosure 1) and a redlined copy (Enclosure 2). • Amended Section 4(e) Condition No. 23: a clean copy (Enclosure 3) and a redlined copy (Enclosure 4). • Revised Amphibian Monitoring Plan: a clean copy (Enclosure 5) and a redlined copy (Enclosure 6). Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Debbie-Anne Reese, Secretary June 2, 2025 Page 5 • Revised Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan: a clean copy (Enclosure 7) and redlined copy (Enclosure 8). • Agency Consultation (Enclosure 9) If you have questions or comments regarding this matter, please contact Anna Urias, license coordinator for PG&E, at (530) 201-1961. Sincerely, Matthew Jospeh Supervisor, Hydro License Compliance Enclosures: 1. Amended 401 WQC: a clean copy (Enclosure 1) 2. Amended 401 WQC: redlined copy (Enclosure 2) 3. Amended Section 4(e) Condition No. 23: a clean copy (Enclosure 3) 4. Amended Section 4(e) Condition No. 23: a redlined copy (Enclosure 4 ) 5. Revised Amphibian Monitoring Plan: a clean copy (Enclosure 5) 6. Revised Amphibian Monitoring Plan: redlined copy (Enclosure 6) 7. Revised Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan : a clean copy (Enclosure 7) 8. Revised Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan : redlined copy (Enclosure 8) 9. Agency Consultation cc: via email w/enclosures Eric Oppenheimer- Eric.oppenheimer@waterboards.ca.gov Erik Ekdahl - Erik.ekdahl@waterboards.ca.gov Parker Thaler, SWRCB - parker.thaler@waterboards.ca.gov Nathan Fisch, SWRCB – Nathan.Fisch@waterboards.ca.gov Jessica Dyke, SWRCB – Jessica.Dyke@waterboards.ca.gov Kurt Sable, Forest Service – kurt.sable@usda.gov Rachel Birkey, Forest Service - rachel.birkey@usda.gov Caitlin Ostomel, Forest Service - caitlin.ostomel@usda.gov Erika Brenzovich, Forest Service - erika.brenzovich@usda.gov Loren Everest, Forest Service – loren.everest@usda.gov Dawn Alvarez, Forest Service - dawn.alvarez@usda.gov Leigh Bartoo, USFWS - Aondrea_Bartoo@fws.gov Beth Lawson, CDFW - Beth.Lawson@wildlife.ca.gov Michael Maher, CDFW – Michael.Maher@wildlife.ca.gov Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 1 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Condition 1. Minimum Instream Flows Within 60 days of license issuance, the Licensee shall operate according to the minimum instream flows specified in Table 1 as measured at USGS gage No. 11404500 (Gage 23).1 Flows shall be measured as both a 24-hour average (mean daily) and an instantaneous reading. Instantaneous flows are used to construct the average daily flow value and shall be measured in time increments of not more than 15-minutes. Mean daily flows shall be 24-hour averages of the instantaneous readings from midnight of one day to midnight of the next day. The Licensee shall record instantaneous streamflow as required by USGS standards. Instantaneous flow measurements shall be at least 90 percent of the minimum flow listed in Table 1. Mean daily flows shall be equal to or greater than the minimum flows listed in Table 1. Table 1. Minimum Instream Releases (cfs) from Poe Dam as measured at Gage 231 Month October 250 250 180 180 November 275 275 180 180 December 300 300 180 180 January 325 300 180 180 February 350 325 225 225 March 350 350 300 300 April 400 400 325 300 May 500 400 350 300 June 500 400 350 300 July 500 400 350 300 August 500 400 350 300 September 400 350 300 250 1 No diversion may occur until the minimum instream flows are satisfied. 2 Water year types are defined in Condition 2. The minimum instream flow requirements are subject to temporary modification if required by equipment malfunction, as directed by law enforcement authorities or by FERC, or in emergencies. An emergency is defined as an unforeseen event that is reasonably out of the control of the Licensee and requires the Licensee to take immediate action, either unilaterally or under instruction by law enforcement or other regulatory 1 Gage 23 is also known as NF 23, and is owned and operated by PG&E. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 agency staff, to prevent imminent loss of human life or substantial property damage. An emergency may include, but is not limited to: natural events such as landslides, storms, or wildfires; malfunction or failure of Project works; and recreation accidents. When possible the Licensee shall notify the Deputy Director prior to any temporary stream flow modification. In all instances, the Licensee shall notify the Deputy Director within 24 hours of any temporary stream flow modification. Within 96 hours of the temporary stream flow modification, the Licensee shall provide the Deputy Director with an update of the conditions associated with the modification and an estimated timeline for returning to the required minimum instream flows. Within 30 days of any temporary stream flow modification, the Licensee shall provide the Deputy Director with: (1) photo documentation of the emergency or reason for the stream flow modification; (2) a written description of the modification and its necessity; (3) an updated timeline for returning to the required minimum instream flows or timeline when the minimum instream flows resumed; and (4) a plan to prevent the need for modification of minimum instream flows resulting from a similar emergency in the future. The minimum streamflow requirements listed in Table 1 of this Condition may be temporarily modified as required for maintenance or repair of the dam, outlet facilities, and minimum flow release facilities. The Licensees shall notify FERC, the Forest Service, State Water Board, United States Fish and Wildlife Service (USFWS), and California Department of Fish and Wildlife (CDFW), at least five working days prior to any such modification. Minimum instream flows may also be modified for short periods upon mutual agreement among the licensee and the Forest Service, State Water Board, USFWS, and CDFW. Condition 9. Poe Bypass Reach Biological Monitoring Within one year of license issuance, the Licensee shall submit a Poe Bypass Reach Biological Monitoring Plan (Biological Monitoring Plan) to the Deputy Director for review and approval. The due date to file the Amphibian Monitoring plan is extended to 3/31/2020. The Biological Monitoring Plan shall be developed in consultation with State Water Board staff, Forest Service, USFWS, and CDFW. The Biological Monitoring Plan shall describe the fish, BMI, and amphibian monitoring the Licensee will conduct in the Poe bypass reach over the term of the license and any extensions. At a minimum, the Biological Monitoring Plan shall include the following elements: (1) objectives and goals; (2) description of the methodology that will be used for monitoring; and (3) description of possible circumstances that may affect monitoring and whether those circumstances are caused by Project operations. The Licensee shall include documentation of consultation with the above agencies, copies of comments and recommendations made in connection with development of the Biological Monitoring Plan, and a description of how the Biological Monitoring Plan incorporates or addresses agency comments and recommendations. All monitoring shall be consistent with the methods used for upstream monitoring associated with the Rock Creek-Cresta Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Hydroelectric Project (FERC Project No. 1962) unless otherwise approved by the Deputy Director. The Licensee shall allow a minimum of 30 days for the above agencies to comment and to make recommendations before submitting the Biological Monitoring Plan to the Deputy Director for review and approval. The Deputy Director may make modifications as part of any approval. The Licensee shall file the Deputy Director’s approval, and any required modifications, with FERC. Fish and BMI. The Licensees shall implement the Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan, as approved by FERC. Any revisions approved by the Deputy Director shall be incorporated into the plan. Amphibian. The Licensees shall implement the Poe Amphibian Monitoring Plan, as approved by FERC. Any revisions approved by the Deputy Director shall be incorporated into the plan. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 2 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Condition 1. Minimum Instream Flows Within 60 days of license issuance, the Licensee shall operate according to the minimum instream flows specified in Table 1 as measured at USGS gage No. 11404500 (Gage 23).1 Flows shall be measured as both a 24-hour average (mean daily) and an instantaneous reading. Instantaneous flows are used to construct the average daily flow value and shall be measured in time increments of not more than 15-minutes. Mean daily flows shall be 24-hour averages of the instantaneous readings from midnight of one day to midnight of the next day. The Licensee shall record instantaneous streamflow as required by USGS standards. Instantaneous flow measurements shall be at least 90 percent of the minimum flow listed in Table 1. Mean daily flows shall be equal to or greater than the minimum flows listed in Table 1. Table 1. Minimum Instream Releases (cfs) from Poe Dam as measured at Gage 231 Month October 250 250 180 180 November 275 275 180 180 December 300 300 180 180 January 325 300 180 180 February 350 325 225 225 March 350 350 300 300 April 400 400 325 300 May 500 400 350 300 June 500 400 350 300 July 500 400 350 300 August 500 400 350 300 September 400 350 300 250 1 No diversion may occur until the minimum instream flows are satisfied. 2 Water year types are defined in Condition 2. The minimum instream flow requirements are subject to temporary modification if required by equipment malfunction, as directed by law enforcement authorities or by FERC, or in emergencies. An emergency is defined as an unforeseen event that is reasonably out of the control of the Licensee and requires the Licensee to take immediate action, either unilaterally or under instruction by law enforcement or other regulatory 1 Gage 23 is also known as NF 23, and is owned and operated by PG&E. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 agency staff, to prevent imminent loss of human life or substantial property damage. An emergency may include, but is not limited to: natural events such as landslides, storms, or wildfires; malfunction or failure of Project works; and recreation accidents. When possible the Licensee shall notify the Deputy Director prior to any temporary stream flow modification. In all instances, the Licensee shall notify the Deputy Director within 24 hours of any temporary stream flow modification. Within 96 hours of the temporary stream flow modification, the Licensee shall provide the Deputy Director with an update of the conditions associated with the modification and an estimated timeline for returning to the required minimum instream flows. Within 30 days of any temporary stream flow modification, the Licensee shall provide the Deputy Director with: (1) photo documentation of the emergency or reason for the stream flow modification; (2) a written description of the modification and its necessity; (3) an updated timeline for returning to the required minimum instream flows or timeline when the minimum instream flows resumed; and (4) a plan to prevent the need for modification of minimum instream flows resulting from a similar emergency in the future. The minimum streamflow requirements listed in Table 1 of this Condition may be temporarily modified as required for maintenance or repair of the dam, outlet facilities, and minimum flow release facilities. The Licensees shall notify FERC, the Forest Service, State Water Board, United States Fish and Wildlife Service (USFWS), and California Department of Fish and Wildlife (CDFW), at least five working days prior to any such modification. Minimum instream flows may also be modified for short periods upon mutual agreement among the licensee and the Forest Service, State Water Board, USFWS, and CDFW. Condition 9. Poe Bypass Reach Biological Monitoring Within one year of license issuance, the Licensee shall submit a Poe Bypass Reach Biological Monitoring Plan (Biological Monitoring Plan) to the Deputy Director for review and approval. The due date to file the Amphibian Monitoring plan is extended to 3/31/2020. The Biological Monitoring Plan shall be developed in consultation with State Water Board staff, Forest Service, USFWS, and CDFW. The Biological Monitoring Plan shall describe the fish, BMI, and amphibian monitoring the Licensee will conduct in the Poe bypass reach over the term of the license and any extensions. At a minimum, the Biological Monitoring Plan shall include the following elements: (1) objectives and goals; (2) description of the methodology that will be used for monitoring; and (3) description of possible circumstances that may affect monitoring and whether those circumstances are caused by Project operations. The Licensee shall include documentation of consultation with the above agencies, copies of comments and recommendations made in connection with development of the Biological Monitoring Plan, and a description of how the Biological Monitoring Plan incorporates or addresses agency comments and recommendations. All monitoring shall be consistent with the methods used for upstream monitoring associated with the Rock Creek-Cresta Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Hydroelectric Project (FERC Project No. 1962) unless otherwise approved by the Deputy Director. The Licensee shall allow a minimum of 30 days for the above agencies to comment and to make recommendations before submitting the Biological Monitoring Plan to the Deputy Director for review and approval. The Deputy Director may make modifications as part of any approval. The Licensee shall file the Deputy Director’s approval, and any required modifications, with FERC. Fish and BMI. Table 5 establishes the years following license issuance that the Licensee shall monitor BMI and fish in the Poe bypass reach. Sampling may be deferred to the following year(s) in a year in which the Governor of the State of California declares a drought, or consecutive Critically Dry water years. A minimum of three sampling locations shall be sampled during each monitoring effort and sampling locations shall be consistent with past locations, unless otherwise approved by the Deputy Director. The Licensee shall submit biological monitoring reports to State Water Board staff within six months following completion of each sampling effort. Within six months of the end of a biological monitoring block period (outlined in Table 5), the Licensee shall consult with the Forest Service, State Water Board staff, USFWS, and CDFW to review the biological monitoring program. If changes to the biological monitoring program are determined appropriate by the agencies, the Licensee shall, within one year of the end of the block, propose updates to the Biological Monitoring Plan for Deputy Director approval. The Deputy Director may make modifications as part of any approval. The Licensee shall file the Deputy Director’s approval, and any modifications, with FERC. Possible updates include, but are not limited to, sampling timeframes and protocols. Table 5 outlines the Biological Monitoring Schedule for the first 22 years of the license. Unless otherwise approved by the Deputy Director, the Licensee shall implement biological monitoring at least every five years following the final monitoring completed in Block 2 (i.e., commencing in Year 25) for the remainder of the license and any extensions. Table 5. Biological Monitoring Schedule Table 5. Biological Monitoring Schedule Initial 1-5 2, 3, 4 Block 1 6-12 6, 8, 10 Block 2 16-22 16, 18, 20 Fish monitoring data shall include, but are not limited to, the following: A.Fish species composition and relative abundance; Document Accession #: 20250602-5134 Filed Date: 06/02/2025 B.Fish species size/age distribution; and C.Condition of sampled fish. BMI monitoring shall be consistent with State Water Board SWAMP protocols and be evaluated using the CSCI unless otherwise approved by the Deputy Director. The initial monitoring block shall include analysis using the EPT index, as used in Project relicensing studies. The Licensees shall implement the Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan, as approved by FERC. Any revisions approved by the Deputy Director shall be incorporated into the plan. Amphibian. Following implementation of the new streamflows (Condition 1), the Licensee shall identify occupied and unoccupied FYLF egg-laying and rearing habitats in the Poe bypass reach. Metrics required to identify suitable habitat include but are not limited to: temperature, riparian vegetation establishment, scouring, water depths, water velocities, bank slope condition, and river bar formation/loss. Identification of suitable habitat shall be complete by the end of Year 2 of implementing new license streamflow conditions. Unless otherwise approved by the Deputy Director due to hydrologic conditions, during the fifth year of implementing the new license streamflow conditions, the entire Poe bypass reach shall be surveyed again to identify suitable FYLF egg-laying and rearing habitat. Monitoring for FYLF eggs shall be conducted annually on 100 percent of the identified suitable habitat for the remaining license period and any extensions. Monitoring shall commence once the temperature of the North Fork Feather River at Gage 23 exceeds 10°C mean daily water temperature on two successive days or April 15 of each year, whichever occurs first, and shall be conducted every seven days until eggs have hatched. The Licensee shall provide the RTRG (Condition 6) with the weekly FYLF monitoring data. Amphibian monitoring data shall include, but are not limited to, the following: A.FYLF population trends, distribution, and reproductive success; and B.Inventory of FYLF suitable habitat and relation to occupied habitat. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 The Licensees shall implement the Poe Amphibian Monitoring Plan, as approved by FERC. Any revisions approved by the Deputy Director shall be incorporated into the plan. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 3 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 1 FOREST SERVICE REVISED FINAL LICENSE TERMS AND CONDITIONS (SUBSET) NECESSARY FOR THE PROTECTION AND UTILIZATION OF THE PLUMAS NATIONAL FOREST CONDITION NO. 23: STREAMFLOW, PART 1. MINIMUM STREAMFLOWS Poe Hydroelectric Project FERC No. 2107 Pacific Gas and Electric Company 10 December 2024 Condition No. 23: Streamflow Part 1. Minimum Streamflows. For the preservation and improvement of aquatic resources in the Project area, Licensee shall maintain specified minimum streamflows below Poe dam in accordance with the Table A-1 below. Minimum streamflows shall commence within 60 days of License issuance, unless facility modifications are required. Minimum Streamflows shall be measured in two ways: as the 24-hour average of the flow (mean daily flow) and as an instantaneous flow. The instantaneous flow is the flow value used to construct the average daily flow value and shall be measured in time increments of at least 15-minutes. The 24- hour average flow is the average of the incremental readings from midnight of one day to midnight of the next day. Licensee shall record instantaneous 15-minute streamflow as required by USGS standards at NF-23. The instantaneous 15-minute streamflow measured at NF-23 shall be at least 90 percent of the Minimum Streamflows set forth in Tables A-1. The mean daily flows shall be equal to or greater than the Minimum Streamflow set forth in Table A-1. Table A-1 Minimum Streamflows Release from Poe Dam (cfs) Month Water Year Type Wet Normal Dry Critically Dry October 250 250 180 180 November 275 275 180 180 December 300 300 180 180 January 325 300 180 180 February 350 325 225 225 March 350 350 300 300 April 400 400 325 300 May 500 400 350 300 June 500 400 350 300 July 500 400 350 300 August 500 400 350 300 September 400 350 300 250 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 2 Where facility modification is required to implement the efficient release of Minimum Streamflows, the Licensee shall submit applications for permits within one year after license issuance and complete such modifications as soon as reasonably practicable but no later than two years after receipt of all required permits and approvals. Prior to completion of such required facility modifications, the Licensee shall make a good faith effort to provide the specified Minimum Streamflows within the capabilities of the existing facilities. The Licensee shall provide written notification to the Forest Service 90 days prior, if possible, but no later than 30 days prior to any planned or scheduled maintenance outages that would affect stream flows in the Poe Project bypass reach. The Licensee shall schedule the timing of maintenance or other planned outages to the extent possible, avoiding negative ecological effects from any resultant spills (see outage-related spill management requirements in the Ramping Rates Plan developed under Part 5.of Condition No. 23). The Licensee shall not proceed with the planned maintenance outage without the formal written approval of the Forest Service. The Forest Service will respond in a timely manner. The requirements of this Condition are subject to temporary modification if required by equipment malfunction, as directed by law enforcement authorities, or in emergencies. An emergency is defined as an event that is reasonably out of the control of the Licensee and requires Licensee to take immediate action, either unilaterally or under instruction by law enforcement or other regulatory agency staff, to prevent imminent loss of human life or substantial property damage. An emergency may include, but is not limited to, natural events such as landslides, storms or wildfires, malfunction or failure of Project works, and recreation accidents. The minimum streamflow requirements listed in Table A-1 of this Condition may be temporarily modified as required for maintenance or repair of the dam, outlet facilities, and minimum flow release facilities. The Licensees shall notify FERC, the Forest Service, State Water Board, United States Fish and Wildlife Service (USFWS), and California Department of Fish and Wildlife (CDFW), at least five working days prior to any modification. Water Year Type: Water years have been classified into four Water Year Types based on the California Department of Water Resources (DWR) records of annual inflow to Lake Oroville (Oroville) from 1930-1999: Wet, Normal, Dry, and Critically Dry. Licensee shall determine Water Year Type based on the predicted, unimpaired inflow to Oroville and spring snowmelt runoff forecasts provided by DWR each month from February through May. The May forecast shall be used to establish the Water Year Type for the remaining months of the year until the next February 10th, or within two business days of publication of DWR’s Bulletin 120 runoff forecast for February (whichever is earlier), when forecasting shall begin again. The Water Year Types are defined as follows: •Wet: Greater than or equal to 5,679 thousand acre-feet (TAT) inflow to Oroville •Normal: Less than 5,679 TAF, but greater than or equal to 3,228 TAF inflow to Oroville •Dry: Less than 3,228 TAF, but greater than or equal to 2,505 TAF inflow to Oroville •Critically Dry: Less than 2,505 TAF inflow to Oroville On or about February 10th each year, or within two business days of publication of DWR’s Bulletin 120 runoff forecast for February (whichever is earlier), Licensee shall determine the Water Year Type Document Accession #: 20250602-5134 Filed Date: 06/02/2025 3 and notify the Forest Service, other interested governmental agencies including Plumas and Butte counties, and other parties requesting the information, within 15 days. Licensee shall operate the Project based on that forecast for the remainder of the month until the next forecast. New determinations will be made on or about the tenth of February, March, April, and May after the snow surveys are completed, or within two business days of publication of DWR’s Bulletin 120 runoff forecast for February (whichever is earlier), and operations will be changed as appropriate. In making the forecast each month, average precipitation conditions will be assumed for the remainder of the water year. Licensee shall provide notice of the final water year determination to the Commission, the Forest Service, other interested governmental agencies including Plumas and Butte counties, and other parties requesting the information within 15 days of making the final determination. Multiple Dry Water Years: If the Water Year Forecast on March 10 is for a Dry or Critically Dry water year and the previous two water years were Critically Dry, the Licensee may request a modification of flow requirements based on drought concerns by notifying the Forest Service and other interested governmental agencies including Butte and Plumas Counties. Representatives from the Forest Service and other interested governmental agencies including Butte and Plumas Counties, shall meet with the Licensee to discuss operational plans to manage the drought conditions by May 1. If the parties agree on a revised operational plan, Licensee may begin implementing the revised operational plan as soon as it files documentation of the agreement with the Commission. If unanimous agreement is not reached, Licensee shall submit the revised proposed plan that incorporates as many Agency issues as possible to the Commission, as well as both assenting and dissenting comments, should they exist, request expedited approval, and implement the proposed plan until directed otherwise by the Commission. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 4 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 FOREST SERVICE REVISED FINAL LICENSE TERMS AND CONDITIONS (SUBSET) NECESSARY FOR THE PROTECTION AND UTILIZATION OF THE PLUMAS NATIONAL FOREST IN CONNECTION WITH THE APPLICATION FOR LICENSE CONDITION NO. 23: STREAMFLOW, PART 1. MINIMUM STREAMFLOWS Poe Hydroelectric Project FERC No. 2107 Pacific Gas and Electric Company 10 December 2024 Condition No. 23: Streamflow Part 1. Minimum Streamflows. For the preservation and improvement of aquatic resources in the Project area, Licensee shall maintain specified minimum streamflows below Poe dam in accordance with the Table A-1 below. Minimum streamflows shall commence within 60 days of License issuance, unless facility modifications are required. Minimum Streamflows shall be measured in two ways: as the 24-hour average of the flow (mean daily flow) and as an instantaneous flow. The instantaneous flow is the flow value used to construct the average daily flow value and shall be measured in time increments of at least 15-minutes. The 24- hour average flow is the average of the incremental readings from midnight of one day to midnight of the next day. Licensee shall record instantaneous 15-minute streamflow as required by USGS standards at NF-23. The instantaneous 15-minute streamflow measured at NF-23 shall be at least 90 percent of the Minimum Streamflows set forth in Tables A-1. The mean daily flows shall be equal to or greater than the Minimum Streamflow set forth in Table A-1. Table A-1 Minimum Streamflows Release from Poe Dam (cfs) Month 250 250 180 180 275 275 180 180 300 300 180 180 325 300 180 180 350 325 225 225 350 350 300 300 400 400 325 300 500 400 350 300 500 400 350 300 500 400 350 300 500 400 350 300 1 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 September 400 350 300 250 Where facility modification is required to implement the efficient release of Minimum Streamflows, the Licensee shall submit applications for permits within one year after license issuance and complete such modifications as soon as reasonably practicable but no later than two years after receipt of all required permits and approvals. Prior to completion of such required facility modifications, the Licensee shall make a good faith effort to provide the specified Minimum Streamflows within the capabilities of the existing facilities. The Licensee shall provide written notification to the Forest Service 90 days prior, if possible, but no later than 30 days prior to any planned or scheduled maintenance outages that would affect stream flows in the Poe Project bypass reach. The Licensee shall schedule the timing of maintenance or other planned outages to the extent possible, avoiding negative ecological effects from the any resultant spills (see outage-related spill management requirements in the Ramping Rates Plan developed under Part 5. of Condition No. 23). . Notification shall include a description of Project and coordinated measures the Licensee plans to take to minimize the magnitude and duration of spills into the Project reach. The Licensee shall not proceed with the planned maintenance outage without the formal written approval of the Forest Service. The Forest Service will respond in a timely manner. The requirements of this Condition The Minimum Streamflow requirements are subject to temporary modification if required by equipment malfunction, as directed by law enforcement authorities, or in emergencies. An emergency is defined as an event that is reasonably out of the control of the Licensee and requires Licensee to take immediate action, either unilaterally or under instruction by law enforcement or other regulatory agency staff, to prevent imminent loss of human life or substantial property damage. An emergency may include, but is not limited to, natural events such as landslides, storms or wildfires, malfunction or failure of Project works, and recreation accidents. The requirements of this condition are subject to temporary modification if required by an emergency, as defined above. The minimum streamflow requirements listed in Table A-1 of this Condition may be temporarily modified as required for maintenance or repair of the dam, outlet facilities, and minimum flow release facilities. The Licensees shall notify FERC, the Forest Service, State Water Board, United States Fish and Wildlife Service (USFWS), and California Department of Fish and Wildlife (CDFW), at least five working days prior to any modification. Minimum instream flows may also be modified for short periods upon mutual agreement among the licensee and the Forest Service, State Water Board, USFWS, and CDFW.If the Licensee temporarily modifies the requirements of these conditions, then the Licensee shall make all reasonable efforts to promptly resume performance of such requirements and shall notify the Commission, the Forest Service, and other interested governmental agencies. 2 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Water Year Type: Water years have been classified into four Water Year Types based on the California Department of Water Resources (DWR) records of annual inflow to Lake Oroville (Oroville) from 1930-1999: Wet, Normal, Dry, and Critically Dry. Licensee shall determine Water Year Type based on the predicted, unimpaired inflow to Oroville and spring snowmelt runoff forecasts provided by DWR each month from February through May. The May forecast shall be used to establish the Water Year Type for the remaining months of the year until the next February 10th, or within two business days of publication of DWR’s Bulletin 120 runoff forecast for February (whichever is earlier), when forecasting shall begin again. The Water Year Types are defined as follows: •Wet:Greater than or equal to 5,679 thousand acre-feet (TAT) inflow to Oroville •Normal: Less than 5,679 TAF, but greater than or equal to 3,228 TAF inflow to Oroville •Dry:Less than 3,228 TAF, but greater than or equal to 2,505 TAF inflow to Oroville •Critically Dry: Less than 2,505 TAF inflow to Oroville On or about February 10th each year, or within two business days of publication of DWR’s Bulletin 120 runoff forecast for February (whichever is earlier), Licensee shall determine the Water Year Type and notify the Forest Service, other interested governmental agencies including Plumas and Butte counties, and other parties requesting the information, within 15 days. Licensee shall operate the Project based on that forecast for the remainder of the month until the next forecast. New determinations will be made on or about the tenth of February, March, April, and May after the snow surveys are completed, or within two business days of publication of DWR’s Bulletin 120 runoff forecast for February (whichever is earlier), and operations will be changed as appropriate. In making the forecast each month, average precipitation conditions will be assumed for the remainder of the water year. Licensee shall provide notice of the final water year determination to the Commission, the Forest Service, other interested governmental agencies including Plumas and Butte counties, and other parties requesting the information within 15 days of making the final determination. Multiple Dry Water Years: If the Water Year Forecast on March 10 is for a Dry or Critically Dry water year and the previous two water years were Critically Dry, the Licensee may request a modification of flow requirements based on drought concerns by notifying the Forest Service and other interested governmental agencies including Butte and Plumas Counties. Representatives from the Forest Service and other interested governmental agencies including Butte and Plumas Counties, shall meet with the Licensee to discuss operational plans to manage the drought conditions by May 1. If the parties agree on a revised operational plan, Licensee may begin implementing the revised operational plan as soon as it files documentation of the agreement with the Commission. If unanimous agreement is not reached, Licensee shall submit the revised proposed plan that incorporates as many Agency issues as possible to the Commission, as well as both assenting and dissenting comments, should they exist, request expedited approval, and implement the proposed plan until directed otherwise by the Commission. 3 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 5 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 PACIFIC GAS AND ELECTRIC COMPANY Poe Hydroelectric Project FERC Project No. 2107 POE AMPHIBIAN MONITORING PLAN 3UHSDUHGIRU Pacific Gas & Electric Company 3401 Crow Canyon Road San Ramon, CA 94583 3UHSDUHGE\ Garcia and Associates (GANDA) 2601 Mission Street, Suite 600 San Francisco, CA 94110 Revised May 2025 © 2025, Pacific Gas and Electric Company Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Amphibian Monitoring Plan 7DEOHRI&RQWHQWV Revised May 2025Page i Poe Hydroelectric Project, FERC Project No. 2107 ©2025, Pacific Gas and Electric Company POE FERC PROJECT NO. 2107 POE AMPHIBIAN MONITORING PLAN TABLE OF CONTENTS List of Figures ................................................................................................................................ ii List of Tables ................................................................................................................................. ii List of Attachments ....................................................................................................................... ii SECTION 1.0................................................................................................................................. 1 Introduction ................................................................................................................................... 1 SECTION 2.0................................................................................................................................. 4 Goals and Objectives .................................................................................................................... 4 SECTION 3.0................................................................................................................................. 4 Study Area ..................................................................................................................................... 4 SECTION 4.0................................................................................................................................. 5 Methods .......................................................................................................................................... 5 4.1 Habitat Assessment ................................................................................................. 5 4.1.1 Habitat Assessment Methodology .............................................................. 5 4.1.2 Habitat Assessment Analysis ...................................................................... 6 4.2 Annual Population Survey Methodology ................................................................ 7 4.2.1 Egg Mass Survey Methodology .................................................................. 7 4.2.2 Analysis of Adult Population Status and Distribution .............................. 10 4.2.3 Young-of-the-Year Reach-wide Survey Methodology ............................. 11 4.2.4 Analysis of YOY Distribution and Abundance ........................................ 11 4.2.5 Analysis of Annual Mainstem Water Temperature .................................. 11 SECTION 5.0............................................................................................................................... 11 Reporting and Plan Revisions .................................................................................................... 11 5.1 Reporting............................................................................................................... 12 5.1.1 Suitable Habitat Assessment ..................................................................... 12 5.1.2 Reporting Schedule ................................................................................... 12 5.2 Plan Revisions ....................................................................................................... 12 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 3RH+\GURHOHFWULF3URMHFW)(5&3URMHFW1R 3RH$PSKLELDQ0RQLWRULQJ3ODQ 7DEOHRI&RQWHQWV 5HYLVHGMay 20253DJHLL 3RH +\GURHOHFWULF 3URMHFW )(5&3URMHFW 1R 5 3DFLILF *DV DQG (OHFWULF&RPSDQ\ 6(&7,21 5HIHUHQFHV /,672)),*85(6 )LJXUH0DSRIWKH3RH+\GURHOHFWULF3URMHFW)(5&3URMHFW1R )LJXUH5HDFKZLGH6XUYH\5HVXOWVIRU)</)LQWKH3RH5HDFKWR /,672)7$%/(6 7DEOH3RH5HDFK)</)SRSXODWLRQPRQLWRULQJVLWHVGHVFULSWLRQVDQGJOREDO SRVLWLRQLQJV\VWHPFRRUGLQDWHV /,672)$77$&+0(176 $WWDFKPHQW)(5&$UWLFOH±&RPPLVVLRQ$SSURYDO5HSRUWLQJ1RWLILFDWLRQDQG)LOLQJRI $PHQGPHQWV $WWDFKPHQW)(5&$SSHQGL[$±6:5&%:DWHU4XDOLW\&HUWLILFDWLRQ&RQGLWLRQ $WWDFKPHQW)(5&$SSHQGL[%±)RUHVW6HUYLFHH&RQGLWLRQ1R $WWDFKPHQW6WDQGDUGL]HG$SSURDFKIRU+DELWDW$VVHVVPHQWVDQG9LVXDO(QFRXQWHU6XUYH\VIRU WKH)RRWKLOO<HOORZOHJJHG)URJ5DQDER\OLL6HOWHQULFKDQG3RROZLWK $GGHQGXPGRFXPHQWLQJUHFHQWXSGDWHVXVHGLQWKLV3RH$PSKLELDQ0RQLWRULQJ 3ODQ $WWDFKPHQW +DELWDW$VVHVVPHQWDQG9LVXDO(QFRXQWHU6XUYH\'DWD6KHHWV±8SGDWHGIURPWKH 2ULJLQDO6HOWHQULFKDQG3RRO'DWD6KHHWV $WWDFKPHQW5DWLRQDOHIRU3ODQ9DULDWLRQVIURP/LFHQVH&RQGLWLRQV Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Amphibian Monitoring Plan 5HYLVHGMay 2025Page 1 Poe Hydroelectric Project, FERC Project No. 2107 ©2025, Pacific Gas and Electric Company SECTION 1.0 Introduction On December 17, 2018, the Federal Energy Regulatory Commission (FERC) issued a new license for Pacific Gas and Electric Company’s (PG&E or Licensee) Poe Project, FERC Number (No.) 2107 (Project) (FERC 2018). The new license incorporates State of California State Water Resources Control Board (SWRCB) 401 Water Quality Certification (WQC) Conditions into the license articles (SWRCB 2017; FERC 2018: Appendix A) and United States Department of Agriculture Forest Service (Forest Service) 4(e) Conditions (Forest Service 2018; FERC 2018: Appendix B). This document, 3RH$PSKLELDQ0RQLWRULQJ3ODQ(Plan), presents the plan (“Plan”) to comply with amphibian population monitoring required by SWRCB WQC Condition 9 and Forest Service 4(e) Condition 25, elements of which were also incorporated into FERC License Article 401 (FERC 2018). The relevant FERC Article 401 requirements applicable to this plan are included in Attachment 1. Similarly, SWRCB Condition 9 and Forest Service 4(e) Condition 25 are summarized in Attachments 2 and 3, respectively. The attachments omit language in conditions pertaining to fish and benthic macroinvertebrate monitoring, since a separate plan addresses these portions of the requirements. The Plan was developed in consultation with the California Department of Fish and Wildlife (CDFW), the United States Fish and Wildlife Service (USFWS), Forest Service, and SWRCB staff (collectedly referred to as the Agencies). This Plan is intended to meet the requirements of SWRCB WQC Condition 9 and Forest Service 4(e) Condition 25 for monitoring foothill yellow-legged frogs (5DQDER\OLL; FYLF) in the Poe Bypass Reach. The Feather River population of FYLF is currently a candidate species and was approved for listing as threatened under the California Endangered Species Act on December 11, 2019. In Section 4.0 Methods, and Section 5.2 Plan Revisions, there are provisions for consultation and changes to the monitoring locations, methods, and schedule. Any future modifications to the final Plan approved by FERC shall be approved by the SWRCB Deputy Director, the Plumas National Forest Forest Supervisor, and FERC before implementation. The Poe Project is located in the North Fork Feather River Basin, which contains extensive forested lands and is sparsely populated. The “Poe Reach” or “Poe Bypass Reach” is the section of the North Fork Feather River (NFFR) from Poe Dam downstream to Poe Powerhouse (Figure 1-1). Waters of the Poe Project include the Poe Reservoir, the 7.62-mile-long bypassed reach, and the Big Bend Reservoir, which serves as the after bay for the project. The Poe Powerhouse and Big Bend Reservoir are located just upstream of Lake Oroville, the primary storage reservoir for the Feather River Project, FERC No. 2100. Much is known about the current distribution and habitat use and preferences of FYLF in the Poe Reach, as PG&E has been researching and monitoring FYLF in the Poe Reach regularly since 2001, often as a control reach for studies in the upstream Rock Creek-Cresta Project (FERC No. 1962), resulting in numerous habitat assessment and monitoring reports (Garcia and Associates [GANDA] 2003a, 2003b, 2004a, 2004b, 2005, 2007, 2008a, 2008b, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019; PG&E 2003). Up to thirteen established subsites have been regularly monitored for breeding activity in the Poe Reach since 2001, representing river cobble Document Accession #: 20250602-5134 Filed Date: 06/02/2025 3RH+\GURHOHFWULF3URMHFW)(5&3URMHFW1R 3RH$PSKLELDQ0RQLWRULQJ3ODQ 5HYLVHGMay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¶V %DU ZDV XQVDIH IRU SHGHVWULDQ VXUYH\V SDUWLFXODUO\ EHFDXVHKLJKIORZVLQDOWHUHGWKHVWUHDPEHGLQWKLVVWHHSWZRPLOHVHFWLRQRIWKH1))5 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................................................................................................................................ ii List of Tables ................................................................................................................................. ii List of Attachments ....................................................................................................................... ii SECTION 1.0................................................................................................................................. 1 Introduction................................................................................................................................... 1 SECTION 2.0................................................................................................................................. 4 Goals and Objectives .................................................................................................................... 4 SECTION 3.0................................................................................................................................. 4 Study Area..................................................................................................................................... 4 SECTION 4.0................................................................................................................................. 5 Methods.......................................................................................................................................... 5 +DELWDW$VVHVVPHQW +DELWDW$VVHVVPHQW0HWKRGRORJ\ +DELWDW$VVHVVPHQW$QDO\VLV $QQXDO3RSXODWLRQ6XUYH\0HWKRGRORJ\ (JJ0DVV6XUYH\0HWKRGRORJ\ $QDO\VLVRI$GXOW3RSXODWLRQ6WDWXVDQG'LVWULEXWLRQ <RXQJRIWKH<HDU5HDFKZLGH6XUYH\0HWKRGRORJ\ $QDO\VLVRI<2<'LVWULEXWLRQDQG$EXQGDQFH $QDO\VLVRI$QQXDO0DLQVWHP:DWHU7HPSHUDWXUH««««««««« SECTION 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DQDO\VLV7HPSHUDWXUHGDWDDQDO\]HGWRGDWHVKRZVWKDWWHPSHUDWXUHVGRQRWH[FHHG&SULRUWR $SULO LQWKH3RH5HDFK3* (XQGHUVWDQGVWKDWWKLVFRXOGFKDQJHLQWKHIXWXUHDQGDJUHHVWKDW WUDFNLQJWHPSHUDWXUHGDWDLVLPSRUWDQW7RDFFRPPRGDWHWKHGHVLUHWRXVHDWHPSHUDWXUHWULJJHU HQGRIVHDVRQGDWDDQDO\VLVFDQEHXVHGWRGHWHUPLQHLIIXWXUHVXUYH\VVKRXOGEHJLQSULRUWR$SULO $QQXDOUHSRUWVZLOOLQFOXGHWKLVDQDO\VLV )HEUXDU\5HYLVHGMay 2025 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 7 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Public PACIFIC GAS AND ELECTRIC COMPANY Poe Hydroelectric Project FERC Project No. 2107 POE BYPASS REACH FISH AND BENTHIC MACROINVERTEBRATE MONITORING PLAN Prepared by: Pacific Gas & Electric Company 3401 Crow Canyon Road San Ramon, CA 94583 Revised April 2025 Original Document November 2019 © 2025 Pacific Gas and Electric Company Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Table of Contents Revised April 2025 Poe Hydroelectric Project, FERC Project No. 2107 ©2025, Pacific Gas and Electric Company Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Public POE FERC PROJECT NO. 2107 POE BYPASS REACH FISH AND BENTHIC MACROINVERTEBRATE MONITORING PLAN Table of Contents POE BYPASS REACH FISH AND BENTHIC MACROINVERTEBRATE MONITORING PLAN .......................................................................................................................................................... 2 LIST OF ATTACHMENTS ..................................................................................................................... 3 SECTION 1.0 ............................................................................................................................................. 1 Introduction ................................................................................................................................................. 1 SECTION 2.0 ............................................................................................................................................. 3 Goals and Objectives ................................................................................................................................... 3 2.1 Fish Population Monitoring ............................................................................................. 3 2.2 BMI Community Monitoring ........................................................................................... 3 SECTION 3.0 ............................................................................................................................................. 4 Study Area .................................................................................................................................................... 4 3.1 Fish Population Monitoring Sites ..................................................................................... 4 3.2 BMI Monitoring Sites ....................................................................................................... 7 SECTION 4.0 ........................................................................................................................................... 10 Methods ...................................................................................................................................................... 10 4.1 Fish Population Monitoring ........................................................................................... 12 4.2 Benthic Macroinvertebrate Monitoring ........................................................................ 17 SECTION 5.0 ........................................................................................................................................... 20 Reporting and Plan Revisions ................................................................................................................... 20 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Table of Contents Revised April 2025 Poe Hydroelectric Project, FERC Project No. 2107 ©2025, Pacific Gas and Electric Company Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Public 5.1 Reporting ......................................................................................................................... 20 5.2 Plan Revisions .................................................................................................................. 20 SECTION 6.0 ........................................................................................................................................... 21 References ................................................................................................................................................... 21 Attachment 1 .............................................................................................................................................. 24 Attachment 2 ................................................................................................................................................ 3 Attachment 3 ................................................................................................................................................ 6 LIST OF TABLES Table 3-1. General Global Positioning System coordinates of Poe Bypass Reach fish population monitoring sites and descriptions ........................................................5 Table 3-2. General Global Positioning System coordinates of Poe Bypass Reach BMI community monitoring sites, descriptions, and reach type ...................................7 LIST OF ATTACHMENTS Attachment 1. FERC Article 401 – Commission Approval, Reporting, Notification, and Filing of Amendments Attachment 2. FERC Appendix B – SWRCB Water Quality Certification Condition 9 – Poe Bypass Reach Biological Monitoring Attachment 3. FERC Appendix B – Forest Service 4(e) Condition No 25. Poe Reach Biological Monitoring Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 1 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 1.0 Introduction On December 17, 2018, the Federal Energy Regulatory Commission (FERC) issued a new license for Pacific Gas and Electric Company’s (PG&E or Licensee) Poe Project, FERC Number (No.) 2107 (Project). The new license incorporates State of California State Water Resources Control Board (SWRCB) 401 Water Quality Certification (WQC) Conditions into the license articles in Appendix A (SWRCB 2017) and United States Department of Agriculture Forest Service (Forest Service) 4(e) Conditions (Forest Service 2018) in Appendix B. This document, Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan (Plan), presents the plan to comply with fish population and benthic macroinvertebrate monitoring required by SWRCB WQC Condition 9 and Forest Service 4(e) Condition No. 25 which were also incorporated into FERC License Article 401 (FERC 2018). The relevant FERC Article 401 requirements applicable to this plan are included in Attachment 1. Similarly, SWRCB Condition 9 and Forest Service 4(e) Condition No. 25 are included in Attachments 2 and 3, respectively. The attachments omit language in conditions pertaining specifically to amphibian monitoring, since a separate plan addresses this requirement. The Plan was developed in consultation with the California Department of Fish and Wildlife (CDFW), the United States Fish and Wildlife Service (USFWS), the Forest Service, and the SWRCB staff (hereafter “Agencies”). This Plan is intended to meet the requirements of SWRCB WQC Condition 9 and Forest Service 4(e) Condition No. 25. In Section 4.0 - Methods, and Section 5.2 - Reporting Schedule, there are provisions for consultation and changes to the monitoring locations, methods and schedule. Any future modifications to the final plan must be approved by the SWRCB Deputy Director, the Plumas National Forest, Forest Supervisor, and FERC before implementation. The Poe Project is located in the North Fork Feather River Basin, which contains extensive forested lands and is sparsely populated. The “Poe Reach” or “Poe Bypass Reach” is the section of the North Fork Feather River (NFFR) from Poe Dam downstream to Poe Powerhouse (Figure 1-1). Waters of the Poe Project include the Poe Reservoir, a 7.62-mile-long bypassed reach, and the Big Bend Reservoir, which serves as the after bay for the project. The Poe powerhouse and Big Bend Reservoir are located just upstream of Lake Oroville, the primary storage reservoir for the Feather River Project No. 2100. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 2 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 1-1. Map the Poe Hydroelectric Project, FERC Project No. 2107. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 3 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 2.0 Goals and Objectives 2.1 Fish Population Monitoring The goal of the Poe Bypass Reach fish population monitoring is to collect fish population information from the three sections of the NFFR Poe Bypass Reach under the new license-required instream flows with the objective to provide information on the fisheries population response to the new license required minimum instream flows. Specific objectives are as follows: 1. Determine trends in composition, size/age distribution, relative abundance, and biomass for all species and Condition Factor (K) for trout, a target fisheries species. 2. Compare data collected during sampling blocks to document status of the fish community, including any identified response to the change in Project operations or enhancement. 2.2 BMI Community Monitoring The goal of the Poe Bypass Reach BMI community monitoring is to collect BMI community information from the three sections of the NFFR under the new license-required instream flows with the objective to characterize the BMI community response to the new license required minimum instream flows. Specific objectives are as follows: 1. Evaluate BMI community indices using California Stream Condition Index (CSCI) (CDFW and Southern California Coastal Water Research Project 2015), as specified in the SWRCB 401 WQC Condition 9. 2. Document trends in the macroinvertebrate community structure metrics within reaches, between reaches, and in comparisons between sampling blocks. 3. Compare data collected during sampling blocks to document status of the BMI community as described in the SWRCB 401 WQC Condition 9, including any identified response to the change in project operations or enhancement. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 4 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 3.0 Study Area The study area for the fish population and BMI community monitoring includes the North Fork Feather River (NFFR) from Poe Dam downstream to Poe Powerhouse (Poe Bypass Reach). Monitoring sites were chosen to include a variety of habitats (riffle, run, glide, pool, cascades, etc.) located in upper, middle, and lower sections of the Poe Bypass Reach. The Poe Bypass Reach of the NFFR is 7.62 river miles (RM) and extends from Poe Dam to Poe Powerhouse. From Poe Dam downstream, the upper section begins off as a wide, low-gradient channel to a point immediately downstream from the mouth of Flea Valley Creek, covering an approximate distance of 1.01 RM (5,350 feet). At this location, the river enters a narrower, steeper canyon section dominated by bedrock canyon walls and large boulders; this middle section continues for an estimated 2.53 miles RM (13,360 feet) to Bardee’s Bar. The lower section of river, from Bardee’s Bar to Poe Powerhouse, opens to a wider, low-gradient channel with long pools, runs, and pocket-water habitats separated by short sections of riffles and/or cascades; this lower section, is approximately 4.08 RM (21,560 feet). All three sections of the reach are dominated by large pools, which tend to be shorter and deeper in the narrower, middle canyon section, and longer and wider in the upper and lower sections. 3.1 Fish Population Monitoring Sites Electrofishing and snorkel survey sites will consist of 3 sites (Table 3-1; Figure 3-1); the sites are made up of shallow riffle-run complexes that could be electrofished to detect smaller individuals of the populations and run/glide complexes that can be snorkeled to detect larger individuals of the populations. The Flea Valley Creek site (Site FV-F) is the upstream-most monitoring location; it is approximately 0.85 miles below the dam. The Flea Valley Creek Site begins as pool habitat (at mouth of Mill Creek) and transitions into a glide/run and then into a riffle complex. The Bardee’s Bar fish population monitoring site (Site BB-F) is the middle site; it is comprised of a cascade/riffle/run/glide complex. The downstream-most site, closest to the Poe Powerhouse, is Poe Beach (Site PB-F); this site is comprised of riffle/run habitat that transitions into a glide/pool habitat. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 5 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Table 3-1. General Global Positioning System coordinates of Poe Bypass Reach fish population monitoring sites and descriptions. Site ID Site Description Location a FV-F Flea Valley Creek 10S 633099 4406963 BB-F Bardee’s Bar 10S 0632281 4403580 PB-F Poe Beach 10S 0631333 4399175 a Actual upstream and downstream gps locations will be identified and recorded during first monitoring event for all subsequent monitoring Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 6 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 3-1. General map locations of fish population monitoring sites. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 7 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public 3.2 BMI Monitoring Sites There is a total of six BMI monitoring sites; three sites in the regulated Poe Bypass Reach and three reference sites in unregulated reaches (Table 3-2; Figure 3-2 and Figure 3-3). The unregulated reaches include: The East Branch of the North Fork Feather River (site EB-B), Yellow Creek which is a tributary to the North Fork Feather River (site YC-B), and Millsap Bar located on the Middle Fork Feather River (site MB-B). The MB-B and EB-B sites have also functioned as references to BMI monitoring on the Rock Creek-Cresta Project (PG&E 2002). YC-B was chosen because it is an available reach in the watershed not regulated by the Project. The Poe Bypass Reach monitoring sites include: Flea Valley Creek (Site FV-B; upstream-most project site), Bardee’s Bar (Site BB-B; middle site), and Poe Beach (Site PB-B; downstream-most site). Table 3-2. General Global Positioning System coordinates of Poe Bypass Reach BMI community monitoring sites, descriptions, and reach type. Site ID Site Description Reach Type Approximate Upstream Location a (UTM NAD 83) FV-B Flea Valley Creek Regulated 10S 0633100 4406923 BB-B Bardee’s Bar Regulated 10S 0632281 4403580 PB-B Poe Beach Regulated 10S 0631333 4399175 YC-B Yellow Creek Unregulated 10T 0649714 4431208 EB-B East Branch of North Fork Feather River Unregulated 10 S 0664699 4431124 MB-B Millsap Bar on Middle Fork Feather River Unregulated 10 S 0648328 4396628 a Actual upstream and downstream will be identified and recorded during first monitoring event for all subsequent monitoring. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 8 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 3-2. General locations of BMI population monitoring sites in the Poe Bypass Reach. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 9 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 3-3. General locations of BMI population monitoring sites in unregulated reaches. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 10 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 4.0 Methods The monitoring and reporting schedule in this Plan establish different block lengths from that presented in the SWRCB WQC Condition 9 and the Forest Service 4(e) Condition 25 but meets the requirements of timing and frequency of monitoring identified in the conditions. The Block Periods and Monitoring Years are defined in Table 4-1. The monitoring locations, methods and schedule will be reviewed and agreed-upon at the end of each Block period. Any proposed changes must be approved by the Deputy Director, the Plumas National Forest, Forest Supervisor, and FERC before implementation. Fish population and BMI monitoring will occur in license years 3, 4, 5, and 6 of Block 1; in license years 7, 8, 10 of Block 2; and in license years 16, 18, 20 of Block 3 (Table 4-1). Per SWRCB 401 WQC Condition 9, unless otherwise approved by the SWRCB and Forest Service, monitoring will continue every 5 years for the remainder of the license term and any license extensions. This is illustrated in Blocks 4 and 5 of Table 4-1. Monitoring will occur in the late summer and early fall months, to avoid impacts to sensitive life stages of the foothill yellow-legged frog (FYLF), and effects of elevated summer temperatures. To facilitate instream sampling, and provide for personnel safety, streamflow may need to be reduced. PG&E may reduce streamflows defined in, and in accordance with any other requirements of, SWRCB WQC Condition 1, Forest Service 4(e) Condition No. 23, and FERC License Article 401(c) to implement this monitoring Plan under the following conditions: 1. Monitoring will occur between September 15 to October 31, with a goal to complete monitoring by the end of September whenever possible for higher efficiency of fish capture and to make caparison of fish sizes across years; 2. Monitoring streamflows will be no less than 55 cfs; 3. Reduced streamflow shall not exceed 10 consecutive days; 4. Up and down ramping rates during this period will be limited to no more than 100 cfs per hour; and 5. Reduced streamflow may only be commenced if no whitewater boating flow releases have occurred for seven consecutive days. Each year that monitoring occurs, PG&E shall provide the agencies with the specific proposed schedule at least 45 days prior to monitoring. Agencies will have 15 days to comment on the schedule, and if any agency proposes an alternative schedule, PG&E will convene a conference call with all agencies to develop a revised schedule. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 11 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public If the State of California declares a drought in Butte County or if consecutive Critically Dry water years are experienced, PG&E will consult with the CDFW, Forest Service and the SWRCB staff to determine if deferral of monitoring is necessary. In the event monitoring is deferred, the schedule will be adjusted and documented in the annual report. The block date periods will not be changed. The new schedule will be approved by the Forest Service, the SWRCB staff and the SWRCB Deputy Director during review and approval of the annual report. As provided in Forest Service 4(e) Condition No. 23 and SWRCB WQC Condition 2, a Critically Dry water year is based on the Department of Water Resources annual forecast of unimpaired runoff of the Feather River at Lake Oroville reported in the May Bulletin 120 (i.e., less than 2,505 TAF inflow to Lake Oroville). SWRCB 401 WQC Condition 9 also requires the Licensee to provide a description of possible circumstances that may affect monitoring and if those circumstances are caused by Project operations. There are many unpredictable circumstances beyond PG&E’s control that may affect the ability to monitor (e.g., extreme weather events, natural geomorphic processes, wildfires, chemical spills, non-project anthropomorphic factors, etc.). Of those circumstances that may be caused by Project operations, the most common include: inability to decrease flows for surveys, and construction on critical infrastructure, which may delay the ability to conduct the surveys. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 12 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Table 4-1. Poe Bypass Reach Fish Population and BMI Monitoring Schedule. Block ID Block Period (License Years) Monitoring Years (License Years) Block 1 1- b a b c c d d a Schedule was modified during December 2020 revision to add year since monitoring in year 2 was cancelled due to the North Complex Fire of September 2020. b Monitoring in Year 6 (2024) was an additional year of monitoring required by FERC to detect any population responses after a 2023 flow variance request. c Year 7 monitoring (2025) was added to the monitoring schedule to avoid shifting monitoring blocks. d Unless otherwise approved by the Deputy Director, the Licensee shall implement biological monitoring at least every five years following the final monitoring completed in Block 3 (i.e., commencing in Year 20) for the remainder of the license and any extensions. 4.1 Fish Population Monitoring Fish population monitoring will be conducted using methods similar to those currently used in the Rock Creek-Cresta Project (PG&E 2018). Where appropriate, modifications to the methodology are based on efficiencies gained from sampling in the Rock Creek-Cresta Project and limited safe access to the Poe Bypass Reach. Specifically, fish population surveys will employ electrofishing and direct observation methodologies. 4.1.1 Survey Methods During both electrofishing and direct observation monitoring the biologists will monitor real-time water temperatures. If monitoring illustrates significant increases in water temperature trending to or above 23°C, PG&E will return flows to the pre-variance levels, and postpone monitoring until water temperatures can be maintained below 23°C. Likewise, if there were any signs of fish mortality, stranding, or obvious distress, PG&E will return flows to the pre-variance levels and postpone monitoring until water temperatures can be maintained below 23 °C. 4.1.1.1 Electrofishing In the North Fork Feather River, including surveys in the Rock Creek and Cresta reaches of the Rock Creek-Cresta Project, electrofishing is unsafe and inefficient at even the lowest license Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 13 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public prescribed baseflows (≥180 cfs in October in a Critically Dry water year for the Poe Project); therefore, as is performed prior to sampling in the Rock Creek-Cresta Project reaches, PG&E will reduce flows to approximately 55 cfs (PGE 2018) 24 hours prior to the sampling event. The 24- hour period will allow fish to resume their normal behavior and re-occupy their normal/preferred habitats before sampling begins. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 14 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public When the stream channel is safe to enter, crewmembers will place mesh block nets across the width of the wetted stream channel at the upper and lower boundaries of the monitoring site. Block nets with 0.50-inch mesh will be used to prevent movement of fish in and out of the sample area to facilitate an accurate assessment of the sample population. All electrofishing sites will be approximately 100 to 150 meters long, where safety constraints allow, and terminate at natural habitat unit breaks at both the upstream and downstream ends. Pool habitats too deep to backpack electrofishers will be surveyed by direct observation. Backpack electrofishing generally will be conducted following procedures identified by Reynolds (1996). Crew size, including number of backpack electrofishers, for each site will depend on the wetted width of the stream channel, and habitat complexity. To maximize capture efficiency, the electrofishers and their netters will move upstream through the monitoring site at consistent pace abreast of one another and parallel to the thalweg. A three-pass sampling effort will be used, whereby stunned fish will be captured and temporarily removed from the sampling site during each pass to capture as much of the population as possible. During each pass, the crew will retain the same positions across the channel and the electrofishers will attempt to repeat the same pace and level of effort. Fish from each pass will be held in separate live wells outside the monitoring site (either upstream or downstream of the sampled site), until all passes are completed. Each electrofisher crew will make a conscious effort to monitor fish recovery in the holding containers. If specimens are slow to recover, the electrofisher will adjust either the current, the structure of the current used, or the time/duration that current is applied to minimize adverse impacts on fish. Fish will be identified to species, enumerated by pass, and measured. All weights will be recorded to the nearest 0.1 gram (g) and fork length (FL) will be recorded in millimeters (mm). All trout species will be measured and weighed to allow for condition factor computations. To minimize stress to captured fish, a subsample by pass will limit handling of fishes. For each pass, the first 50 young-of-year (YOY) fishes, including hardhead (Mylopharodon conocephalus) (typically ≤ 80 mm FL YOY), a Forest Service Sensitive Species (Forest Service 2018) and CDFW Species of Special Concern (CDFW and University of California Davis 2015), will be individually measured and weighed; the remaining YOY fishes will be enumerated by pass. Age 1+ fish and older will be each individually measured and weighed. Upon completion of processing, all fish will be released back into the sampled site. All data will be recorded on standardized data forms. 4.1.1.2 Direct Observation Surveys Snorkel surveys will be conducted at select pool habitats adjacent to electrofishing sites that cannot be sampled by electrofishing due to depth and flow. Snorkeling techniques will generally follow (Thurow 1994; Thurow et al. 2012). Snorkel surveys will allow for detection of different species or age classes of species that utilize deeper habitats. To maximize sampling efficiency and safety, snorkel surveys will be performed while flows are maintained at 55 cfs. Snorkelers will enter the stream either upstream or downstream of the monitoring site. Snorkelers will briefly rest to acclimate and to allow fish in the area to resume normal behavior. Snorkeling Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 15 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public will typically be conducted in an upstream direction; however, in habitats where stream velocities constrain upstream movement, snorkelers may float downstream. Snorkel crews will consist of a minimum of three (3) snorkelers depending on stream width and water clarity. Snorkelers will align across the channel and stratify the study site into fixed snorkel lanes to avoid duplicating fish counts. Snorkelers will then proceed through the site in designated lanes at a slow and uniform pace. Fish will be identified to species, counted, and categorized into pre-defined length-classes of 5 inches (0-5 in., 5-10 in., 10-15 in., 15-20 in., 20-25and so on). For large schools of fish, the total number of fish in the school and the range of lengths for each school will be recorded. (Schools of fish encountered during snorkeling are often composed of the same species and age class.) Up to two (2) replicate snorkel passes (three passes, total) may be performed at each station using the same snorkel team to assess count efficiency. Replicate surveys should be conducted no sooner than one (1) hour after the initial survey to allow the fish to redistribute themselves and resume normal behavior. Snorkelers may use underwater tablets or call out to an on-shore recorder to assist in recording data. Fish lengths and length ranges will be transferred to a standardized data form following the sample effort at each station. Measurements of water temperature and water clarity (e.g., secchi disc) will be collected following each effort. A multiple pass technique will be employed where each site will be snorkeled using three consecutive passes to allow for estimates of variability. To maintain consistency, the same number of snorkelers will be used at each station across sampling efforts. 4.1.1.3 Physical Habitat Data At each fish population monitoring site (electrofishing and direct observation), several physical measurements and estimates will be made in the wetted stream channel to define habitat conditions. Ten (10) stream widths, equally spaced through the station, will be measured to the nearest tenth of a foot. Along each width measurement transect, three depths (at the quarter, half, and three-quarter points of the stream width) will be measured to the nearest tenth of a foot. Streamflow will be measured at each monitoring site. The following physical characteristics will be visually estimated at each monitoring site: 1) type (e.g., undercut bank, surface turbulence, riparian vegetation, etc.) and percentage of cover suitable for fish; 2) type (i.e., deciduous or evergreen) and percentage of canopy cover; and 3) substrate composition as percent of fines, sand, gravel, cobble, boulder, and bedrock; 4) percent composition of habitats (i.e., riffle, run, and/or pool). During the initial visit to each monitoring site, site identification data will be collected. If possible, GPS readings will be taken to document site location. A benchmark will also be established at each station and will consist of a description of a notable physical feature (e.g., railroad mileage marker, road crossing, gauging station, etc.). The distance and location of the station in relation to the benchmark will be recorded for future reference. Photo-documentation will also be completed after each effort and will include photos of each monitoring station from the bottom looking upstream and from the top looking downstream. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 16 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public In-situ water quality measurements will be collected using a handheld YSI-85 or similar instrument and will include dissolved oxygen, conductivity, and water temperature. 4.1.2 Analysis Data will be used to determine fish composition, relative abundance, fish species length-frequency distribution, and biomass and condition factors for trout and native species. Data collected during fish population monitoring will be entered into a Microsoft Excel® spreadsheet and quality checked against the raw data sheets. Data will be analyzed for species composition, length- frequency distribution, relative abundance, and condition (based on data collected during electrofishing). Results from subsequent monitoring will be compared to the preceding monitoring to distinguish any trends in the fish populations. Fish data will be compared to benthic macroinvertebrate (BMI) data collected as discussed in Section 4.2 Benthic Macroinvertebrate Monitoring. 4.1.2.1 Electrofishing Electrofishing data will be analyzed using the software package MicroFish 3.0 (or later version) which is based upon the removal-depletion model (Van Deventer and Platts 1989). Maximum likelihood population estimates, capture probabilities (the proportion of fish captured on a given electrofishing pass), lengths, weights, and biomass will be produced for each monitoring site based on fish capture data. Biomass of trout will be calculated based on total weight measured for each species. Fish population analyses will include species composition, relative abundance, inter- and intra- species population structure based on relative densities, and age-class structure based on length- frequency distributions. Rainbow trout standing stock estimates will be reported as: 1) numbers and weight of fish by species per 100 m of stream; 2) numbers of fish by species per mile; 3) pounds of fish by species per acre of stream surface; and 4) kilograms of fish by species per hectare. Species age-class distribution will be analyzed using length frequency histograms developed from fish captured. Breaks or modalities within the histograms will be evaluated for determination of approximate age class structure. Condition factor will be assessed with data collected at electrofishing sites; the weight-to-length relationship of individual species will be assessed as a method of identifying the nutritional state or health of the fish related to size and growth. Fulton’s condition factor (k) (Neuman et al 2012), a measure of this nutritional state, will be calculated using the following formula: Individual condition factors (k) = Wet Weight (grams) x 105 [Total Length (mm)]3 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 17 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public The Condition Factor K allows the compare the condition of individuals. The condition is dependent on the time of sampling, and species. Mean trout condition will be calculated from individual condition values for each trout species. 4.1.2.2 Direct Observation For snorkeling sites, population estimates will be the total number of fish recorded for each species, recognizing that these values may be under-estimates. This will be particularly true for large pool habitats. Any biomass estimates generated from snorkeling data will be based on length-weight relationships developed for fish collected at the respective electrofishing site, or from multiple sites if sufficient data is unavailable. 4.2 Benthic Macroinvertebrate Monitoring As previously discussed in section 4.1, in-water work in the North Fork Feather River is unsafe and inefficient at even the lowest license prescribed baseflows (≥180 cfs in October in a Critically Dry water year for the Poe Project); therefore, as is performed prior to sampling in the Rock Creek- Cresta Project reaches, PG&E will reduce flows to approximately 55 cfs (PGE 2018) 24 hours prior to the sampling event. The BMI data collection (including physical habitat) will be consistent with the Surface Water Ambient Monitoring Program protocol (SWAMP; Ode et al 2016 or current) to the extent practicable. Variations from the SWAMP protocol will be consistent with those applied during BMI monitoring performed for the Rock Creek-Cresta Project; variations are identified in (see section 4.2.1 Survey Methods). Based on SWAMP (Ode et al 2016), four (4) survey tasks, comprised of a number of activities (or “modules”), make up the bioassessment protocol. The survey tasks consist of 1) Reach Delineation and Water Quality, 2) Biotic Assemblage and Physical Habitat Sampling at Cross- sectional Transects, 3) Discharge Transect, and 4) Reach-scale Measurements. Standard SWAMP Stream Habitat Characterization Form datasheets are included in Appendix A. To minimize the possibility of disturbance to the area, BMI monitoring sites will not overlap the same length of stream channel as the fish population monitoring. If overlap is unavoidable, BMI samples will be collected the day prior to fish population monitoring. 4.2.1 Survey Methods 4.2.1.1 Reach Delineation and Water Quality Per SWAMP protocol, sampled reach lengths (i.e., BMI monitoring site) should be 150 m if the wetted width is less than or equal to 10 m, and 250 m if the wetted width is greater than 10 m; however due to limited availability of reaches of 250 m that do not include deep, un-wadeable channels, BMI monitoring sites will be limited to 150 m, consistent with the protocol implemented for the Rock Creek-Cresta Project BMI monitoring . Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 18 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Prior to BMI sampling, each 150-m monitoring site will be divided into 11 equal spaced cross- sectional transects (15 m apart) and GPS coordinates are recorded at the upper and lower boundaries. The following water quality parameters will then be recorded per SWAMP protocol: • Turbidity (NTU) • Water temperature (°C) • Specific conductivity (μS/cm) • Salinity (ppt) • Alkalinity (mg/L) • pH • Dissolved oxygen (mg/L and % saturation) 4.2.1.2 Biotic Assemblage and Physical Habitat Sampling at Cross-sectional Transects BMI sampling will employ Reach Wide Benthos (RWB) following the SWAMP protocol. RWB samples will be comprised of eleven one-ft2 kick samples collected at each of the 11 transects. All samples will be elutriated and cleaned in the field, placed in jars, labeled, and preserved. Collection of macroinvertebrate samples will occur before physical habitat measurements are recorded at each site to avoid excessive disturbance to the stream channel substrates. Physical habitat measurements as included by SWAMP will include, but not limited to: • Depth and pebble count • Cobble embeddedness • Percent algal cover • Bankfull dimensions • Wetted width • Bank stability • Human influence • Riparian vegetation • Instream habitat complexity • Stream shading • Flow habitat delineation • Slope • Sinuosity • Transect substrates 4.2.1.3 Reach-scale Measurements Finally, as specified in the SWAMP, qualitative reach measures will be assessed for each site using the EPA’s Rapid Bioassessment Protocols (Barbour et al. 1999). Ten habitat variables, including available cover, embeddedness, channel flow status, and riparian and bank conditions will be ranked on a scale of 0 to 20, for a total possible score of 200. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 19 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Each site will be photo-documented. At minimum, photos will be taken at transects A and F looking upstream, and at transects F and K looking downstream; an overview photo (from a vantage point capturing the full site), if feasible, will also be taken. 4.2.2 Analysis 4.2.2.1 Laboratory Methodology All benthic samples will be processed following the SWAMP protocol (or current protocol) using a taxonomist approved by CDFW for EPA Evaluations. All specimens will be identified to Level II standard taxonomic effort (STE) as defined by the Southwest Association of Freshwater Invertebrate Taxonomists (SAFIT), which generally corresponds to the genus-species level for most insects, and slightly less rigorous effort (e.g., class, family, or tribe/subfamily) for certain other taxa groups (Level II STE for California taxa is defined in SAFIT [2006]). The CDFW’s Aquatic Bioassessment Laboratory (ABL) will be contracted to perform an external quality assurance/quality control (QA/QC) check for accuracy of enumeration and taxonomic identification. 4.2.2.2 Metrics The first block of monitoring will include EPT index similar to relicensing BMI studies. The California Stream Condition Index (CSCI) will be calculated for all sampling events in all blocks (unless another index becomes available). The CSCI combines the best of multi-metric techniques with the best of predictive multi-variate techniques (such as observed vs. expected [O/E] models which assess taxonomic completeness). The CSCI was developed with a much larger, more representative dataset than other indices (which makes it applicable statewide) covering a broader range of environmental variability among natural stream types. Additionally, the CSCI sets biological benchmarks for a given site based on that site’s specific geographic and environmental settings (further details regarding CSCI development and interpretation can be found in SWAMP’s CSCI technical memorandum (Mazor and Ode 2015) and the CSCI’s publication (Mazor et al 2016); interim methods for CSCI calculation are described in Mazor et al. 2017. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 20 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 5.0 Reporting and Plan Revisions 5.1 Reporting The fish population and BMI community monitoring program will generate a data monitoring reports for each year monitoring occurs. Each data monitoring report will summarize the results of the current year monitoring period and provide a section that summarizes all data from all previous monitoring reports. Fish population and BMI reports will be compiled and submitted to the Forest Service, SWRCB, CDFW, and USFWS each year that fish population or BMI monitoring is conducted. The reports will be made available electronically (a hard copy version will be made available upon request). The fish production monitoring data will be used in conjunction with the results of the other resource investigations (macroinvertebrate, temperature, water quality, amphibian, riparian, geomorphology, etc.) to determine the overall effect of Project flow regimes on the environmental resources of the Project area. PG&E will submit a draft of the Poe Bypass Reach fish population and BMI monitoring report to the Forest Service, SWRCB, USFWS, and CDFW following the conclusion of each calendar year when monitoring occurs. PG&E will submit the draft report to the resource agencies on or before March 15 of the subsequent year. PG&E will allow the resource agencies at least 30 days to review and comment on the draft report, and will set up a consultation meeting if requested. The final annual report will be filed with FERC by May 31. PG&E will include in the final report any comments and recommendations made by the agencies on the draft report. If PG&E does not adopt a recommendation, the filing shall include PG&E’s reasons based on project-specific information. 5.2 Plan Revisions The Licensee, in consultation with the Forest Service, SWRCB, USFWS, and CDFW, will review, update, and revise the Plan, as needed, when significant changes in the existing conditions occur. Sixty days will be allowed for the Forest Service, SWRCB, USFWS, and CDFW to provide written comments and recommendations. After consultation and agreement with the Forest Service and SWRCB, the Licensee will work with the Forest Service and SWRCB to file the updated Plan with FERC. The Licensee will include all relevant documentation of coordination and consultation with the updated Plan filed with FERC. If the Licensee does not adopt a particular recommendation by USFWS or CDFW, the filing will include the reasons for not doing so. The Licensee will implement the revised Plan as approved by FERC. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 21 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 6.0 References Barbour, M.T., J. Gerritsen, B.D. Snyder, and J.B. Stribling. 1999. Rapid bioassessment protocols for use in streams and wadeable rivers: periphyton, benthic macroinvertebrates and fish. Second Edition. EPA 841-B-99-002. U.S. Environmental Protection Agency; Office of Water; Washington, DC. California Department of Fish and Wildlife (CDFW) and Southern California Coastal Water Research Project. 2015. The California Stream Condition Index (CSCI): A New Statewide Biological Scoring Tool for Assessing the Health of Freshwater Streams. Prepared by: Andrew C. Rehn, Raphael D. Mazor, and Peter R. Ode. SWAMP Technical Memorandum. SWAMP-TM-2015-0002. September 2015 California Department of Fish and Wildlife (CDFW) and University of California Davis. 2015. California Fish Species of Special Concern, 3rd Edition. Available at: https://www.wildlife.ca.gov/Conservation/SSC/Fishes Federal Energy Regulatory Commission (FERC). 2001. Order Approving Settlement and Issuing New License. Project Nos. 1962-000 and 028. Prepared by Federal Energy Regulatory Commission, Office of Energy Projects, Division of Hydropower Licensing. Washington, DC. October 24, 2001. . 2018. Order Issuing New License. Project Nos. 2107-016. Prepared by Federal Energy Regulatory Commission, Office of Energy Projects, Division of Hydropower Licensing. Washington, DC. December 17, 2018. United States Department of Agriculture - Forest Service (Forest Service). 2018. Forest Service revised final license terms and conditions necessary for the protection and utilization of the Plumas National Forest in condition with the application for license Poe Hydroelectric Project, FERC No. 2107, Pacific Gas and Electric Company. Prepared by the United States Department of Agriculture, Forest Service. Pacific South West Region. July 6, 2018. . 2018b. Region 5 Regional Forester's 2013 Sensitive Animal Species List available at: https://www.fs.usda.gov/main/r5/plants-animals/wildlife Mazor, R. D., P.R. Ode, A.C. Rehn, M. Engeln, K.A. Schiff, E. Stein, D. Gillett, D. Herbst, and C. P. Hawkins. 2016. Bioassessment in complex environments: Designing an index for consistent meaning in different settings. The Society for Freshwater Science 35(1): 249- 271. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 22 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Mazor, R.D. and P.R. Ode. 2015. The California Stream Condition Index (CSC); A New Statewide Biological Scoring Tool for Assessing the Health of Freshwater Streams. Swamp Technical Memorandum SWAMP-TM-2015-002. Mazor, R. D., P.R. Ode, A.C. Rehn, M. Engeln, T. Boyle, E. Fintel, and C. Yang. 2017. The California Stream Condition Index (CSCI): Interim instructions for calculating scores using GIS and R. SWAMP-SOP-2015-004 Neuman, R. M., C. S. Guy, and D. W. Willis. 2012. Length weight and associated indices. Pages 637-675 in A. V. Zale, D. L. Parrish, and T. M. Sutton, editors. Fisheries techniques, 3rd edition. American Fisheries Society, Bethesda, Maryland. Ode, P.R., A.E., Fetscher, and L.B. Busse. 2016. Standard Operating Procedures for the Collection of Field Data for Bioassessments of California Wadeable Streams: Benthic Macroinvertebrates, Algae, and Physical Habitat. California State Water Resources Control Board Surface Water Ambient Monitoring Program (SWAMP) Bioassessment SOP 004. Pacific Gas and Electric Company (PG&E). 2002. Rock Creek‒Cresta Project, FERC Project No. 1962, Macroinvertebrate Monitoring Plan. September 20, 2002. . 2018. Rock Creek-Cresta Project, FERC Project No. 1962, 2017 Macroinvertebrate Monitoring, Condition No. 9. June 2018. Pacific Gas and Electric Company (PG&E), U.S. Department of Agriculture Forest Service, U.S. Department of Interior Fish and Wildlife Service, California Department of Fish and Game, California State Water Resources Control Board, Natural Heritage Institute, American Whitewater, Friends of the River, Plumas County, California Outdoors, California Trout, Chico Paddleheads, and Shasta Paddlers. 2000. Rock Creek‒Cresta Project, FERC Project No. 1962, Relicensing Settlement Agreement. December 6, 2000. Reynolds, J.B. 1996. Electrofishing. Pages 83–120 in B. R. Murphey and D. W. Willis, editors. Fisheries Techniques, 2nd edition. American Fisheries Society, Bethesda, Maryland. Southwest Association of Freshwater Invertebrate Taxonomists (SAFIT). 2006. List of Freshwater Macroinvertebrate Taxa from California and Adjacent States including Standard Taxonomic Effort Levels. Second circulating draft, dated 27 September 2006. State of California State Water Resources Control Board (SWRCB). 2017. In the Matter of Water Quality Certification for the Pacific Gas and Electric Company Poe Hydroelectric Project, Federal Energy Regulatory Commission Project No. 2107. December 28, 2017. Thurow, R.F. 1994. Underwater methods for study of salmonids in intermountain west. USFS Intermountain Research Station, United States Forest Service. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 23 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Thurow, R.F., Dolloff, A.C., Marsden, E. J. 2012. Visual Observation. Pages 781–818 in A. V. Zale, D. L. Parrish and T. M. Sutton, editors. Fisheries Techniques, 3rd edition. American Fisheries Society, Bethesda, Maryland. Van Deventer, J.S. and W.S. Platts. 1989. Microcomputer software system for Generating Population Statistics from Electrofishing. Data-User’s Guide for Microfish 3.0. U.S. Department of Agriculture, Forest Service. Intermountain Research Station, General Technical Report INT-254. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Public Attachment 1 FERC Article 401 – Commission Approval, Reporting, Notification, and Filing of Amendments Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-1 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public FERC Article 401 – Commission Approval, Reporting, Notification, and Filing of Amendments (FERC 2018) (a) Requirement to File Plans for Commission Approval The State Water Resources Control Board’s (Water Board) section 401 water quality certification (WQC) (Appendix A) and the U. S. Department of Agriculture – Forest Service’s (Forest Service) section 4(e) conditions (Appendix B) require the licensee to prepare plans in consultation with other entities for approval by the Water Board or Forest Service or for submittal to the Commission, and implement specific measures without prior Commission approval. The following plans must also be submitted to the Commission for approval by the deadlines specified below: Water Board WQC Condition No. Forest Service 4(e) Condition No. Plan Name Commission Due Date 9 25 Poe bypass reach biological monitoring plan Within 1 year from license issuance *excerpt from FERC 2018 Article 401 With each plan filed with the Commission, the licensee must include documentation that it developed the plan in consultation with the above-listed agencies and provide copies of any comments received, as well as its response to each comment. The Commission reserves the right to make changes to any plan filed. Upon Commission approval, the plan becomes a requirement of the license, and the licensee must implement the plan, including any changes required by the Commission. Any changes in the above schedule or plans require approval by the Commission before implementing the proposed change. (b) Requirements to File Reports. Certain conditions of the Water Board WQC in Appendix A and the Forest Service’s section 4(e) conditions in Appendix B require the licensee to file reports with other entities. Because these reports relate to compliance with the requirements of this license, each such report must also be submitted to the Commission. These reports are listed in the following table: Water Board WQC Condition No. Forest Service 4(e) Condition No. Plan Name Commission Due Date 9 - Biological monitoring report Six months following each sampling effort *excerpt from FERC 2018 Article 401 With each report filed with the Commission, the licensee must include documentation of consultation with the agencies specified in the conditions noted above and provide copies of any Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-2 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public comments received, as well as its response to each comment. The Commission reserves the right to require changes to project operation or facilities based on the information contained in the report and any other available information. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-3 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Attachment 2 FERC Appendix B SWRCB Water Quality Certification Condition No. 9 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-4 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SWRCB 401 Water Quality Certification Condition No. 91 – Poe Bypass Reach Biological Monitoring Within one year of license issuance, the Licensee shall submit a Poe Bypass Reach Biological Monitoring Plan (Biological Monitoring Plan) to the Deputy Director for review and approval. The Biological Monitoring Plan shall be developed in consultation with State Water Board staff, Forest Service, USFWS, and CDFW. The Biological Monitoring Plan shall describe the fish, BMI, and amphibian monitoring the Licensee will conduct in the Poe bypass reach over the term of the license and any extensions. At a minimum, the Biological Monitoring Plan shall include the following elements: (1) objectives and goals; (2) description of the methodology that will be used for monitoring; and (3) description of possible circumstances that may affect monitoring and whether those circumstances are caused by Project operations. The Licensee shall include documentation of consultation with the above agencies, copies of comments and recommendations made in connection with development of the Biological Monitoring Plan, and a description of how the Biological Monitoring Plan incorporates or addresses agency comments and recommendations. All monitoring shall be consistent with the methods used for upstream monitoring associated with the Rock Creek-Cresta Hydroelectric Project (FERC Project No. 1962) unless otherwise approved by the Deputy Director. The Licensee shall allow a minimum of 30 days for the above agencies to comment and to make recommendations before submitting the Biological Monitoring Plan to the Deputy Director for review and approval. The Deputy Director may make modifications as part of any approval. The Licensee shall file the Deputy Director's approval, and any required modifications, with FERC. 1 SWRCB (2017) Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-5 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Fish and BMI The Licensees shall implement the Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan, as approved by FERC. Any revisions approved by the Deputy Director shall be incorporated into the plan. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-6 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Attachment 3 FERC Appendix B Forest Service 4(e) Condition No. 25 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-7 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Forest Service 4(e) Condition No. 25 – Poe Reach Biological Monitoring2 Within one year of license issuance, and after consultation with the Forest Service, and other interested governmental agencies, the Licensee shall file with the Commission fish population, benthic macroinvertebrate, and amphibian monitoring plans approved by the Forest Service. The plans shall describe monitoring to be conducted in the Poe bypass reach over the life of the license. At year 10 after implementation of the new flow regime, the licensee shall meet with the Forest Service, other interested governmental agencies, and interested parties to review the biological monitoring program. Modifications to the sampling timeframes and protocols may be modified if other methods or timeframes are jointly determined to be more appropriate by the Licensee, Forest Service, and other interested governmental agencies. The fish monitoring plan shall include, at a minimum, the following elements in at least three sites or as agreed by the Forest Service, in the Poe reach: • Fish species composition and relative abundance, • Fish species size/age distribution, • Condition factor of sampled fish species condition and trend. The specific monitoring plan for benthic macroinvertebrates, including frequency, protocol, and monitoring metrics should be comparable to the other benthic macroinvertebrate studies in the Feather River such as studies conducted for the Upper North Fork Feather Project No. 2105 and/or the Rock Creek-Cresta Hydroelectric Project No. 1962. Monitoring shall be conducted at a minimum of three sites or as agreed by the Forest Service. Benthic macroinvertebrate monitoring shall follow accepted protocols such as SWAMP. Fish and Benthic Macroinvertebrate monitoring shall occur every two years over a six-year period beginning in years 6 and 16 following the implementation of the new flow regime, for a total of six sampling efforts over the two periods. Sampling may be deferred to the following year in the event of a Critically Dry Year. 2Forest Service (2018) Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 8 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Public PACIFIC GAS AND ELECTRIC COMPANY Poe Hydroelectric Project FERC Project No. 2107 POE BYPASS REACH FISH AND BENTHIC MACROINVERTEBRATE MONITORING PLAN Prepared by: Pacific Gas & Electric Company 3401 Crow Canyon Road San Ramon, CA 94583 Revised December 20235 Original Document November 2019 © 20253, Pacific Gas and Electric Company Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Table of Contents Revised December April 20253 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Poe Hydroelectric Project, FERC Project No. 2107 ©20253, Pacific Gas and Electric Company Public POE FERC PROJECT NO. 2107 DRAFT POE BYPASS REACH FISH AND BENTHIC MACROINVERTEBRATE MONITORING PLAN SECTION 1.0 ................................................................................................................................. 1 Introduction ................................................................................................................................... 1 SECTION 2.0 ................................................................................................................................. 3 Goals and Objectives ..................................................................................................................... 3 2.1 Fish Population Monitoring ..................................................................................... 3 2.2 BMI Community Monitoring .................................................................................. 3 SECTION 3.0 ................................................................................................................................. 4 Study Area ..................................................................................................................................... 4 3.1 Fish Population Monitoring Sites ............................................................................ 4 3.2 BMI Monitoring Sites ............................................................................................. 7 SECTION 4.0 ............................................................................................................................... 10 4.1 Fish Population Monitoring .................................................................................. 12 4.1.1 Survey Methods ........................................................................................ 12 4.1.2 Analysis ..................................................................................................... 15 4.2 Benthic Macroinvertebrate Monitoring ................................................................. 16 4.2.1 Survey Methods ........................................................................................ 16 4.2.2 Analysis ..................................................................................................... 18 SECTION 5.0 ............................................................................................................................... 19 Reporting and Plan Revisions .................................................................................................... 19 5.1 Reporting. .............................................................................................................. 19 5.2 Plan Revisions ....................................................................................................... 19 SECTION 6.0 ............................................................................................................................... 20 References .................................................................................................................................... 20 FERC Article 401 – Commission Approval, Reporting, Notification, and Filing of Amendments (FERC 2018) .................................................................... 1 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Table of Contents Revised December April 20253 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Poe Hydroelectric Project, FERC Project No. 2107 ©20253, Pacific Gas and Electric Company Public SWRCB 401 Water Quality Certification Condition No. 9 – Poe Bypass Reach Biological Monitoring ................................................................................. 4 Forest Service 4(e) Condition No. 25 – Poe Reach Biological Monitoring ............ 7 LIST OF FIGURES Figure 1-1. Map the Poe Hydroelectric Project, FERC Project No. 2107. ...............................2 Figure 3-1. General map locations of fish population monitoring site locations .....................6 Figure 3-2. General locations of BMI population monitoring sites in the Poe Bypass Reach .................................................................................................................... 8 Figure 3-3. General locations of BMI population monitoring sites in unregulated reaches .................................................................................................................. 9 LIST OF TABLES Table 3-1. General Global Positioning System coordinates of Poe Bypass Reach fish population monitoring sites and descriptions ........................................................5 Table 3-2. General Global Positioning System coordinates of Poe Bypass Reach BMI community monitoring sites, descriptions, and reach type ...................................7 LIST OF ATTACHMENTS Attachment 1. FERC Article 401 – Commission Approval, Reporting, Notification, and Filing of Amendments Attachment 2. FERC Appendix B – SWRCB Water Quality Certification Condition 9 – Poe Bypass Reach Biological Monitoring Attachment 3. FERC Appendix B – Forest Service 4(e) Condition No 25. Poe Reach Biological Monitoring Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 1 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 1.0 Introduction On December 17, 2018, the Federal Energy Regulatory Commission (FERC) issued a new license for Pacific Gas and Electric Company’s (PG&E or Licensee) Poe Project, FERC Number (No.) 2107 (Project). The new license incorporates State of California State Water Resources Control Board (SWRCB) 401 Water Quality Certification (WQC) Conditions into the license articles in Appendix A (SWRCB 2017) and United States Department of Agriculture Forest Service (Forest Service) 4(e) Conditions (Forest Service 2018) in Appendix B. This document, Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan (Plan), presents the plan to comply with fish population and benthic macroinvertebrate monitoring required by SWRCB WQC Condition 9 and Forest Service 4(e) Condition No. 25 which were also incorporated into FERC License Article 401 (FERC 2018). The relevant FERC Article 401 requirements applicable to this plan are included in Attachment 1. Similarly, SWRCB Condition 9 and Forest Service 4(e) Condition No. 25 are included in Attachments 2 and 3, respectively. The attachments omit language in conditions pertaining specifically to amphibian monitoring, since a separate plan addresses this requirement. The Plan was developed in consultation with the California Department of Fish and Wildlife (CDFW), the United States Fish and Wildlife Service (USFWS), the Forest Service, and the SWRCB staff (hereafter “Agencies”). This Plan is intended to meet the requirements of SWRCB WQC Condition 9 and Forest Service 4(e) Condition No. 25. In Section 4.0 - Methods, and Section 5.2 - Reporting Schedule, there are provisions for consultation and changes to the monitoring locations, methods and schedule. Any future modifications to the final plan must be approved by the SWRCB Deputy Director, the Plumas National Forest, Forest Supervisor, and FERC before implementation. The Poe Project is located in the North Fork Feather River Basin, which contains extensive forested lands and is sparsely populated. The “Poe Reach” or “Poe Bypass Reach” is the section of the North Fork Feather River (NFFR) from Poe Dam downstream to Poe Powerhouse (Figure 1-1). Waters of the Poe Project include the Poe Reservoir, a 7.62-mile-long bypassed reach, and the Big Bend Reservoir, which serves as the after bay for the project. The Poe powerhouse and Big Bend Reservoir are located just upstream of Lake Oroville, the primary storage reservoir for the Feather River Project No. 2100. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 2 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 1-1. Map the Poe Hydroelectric Project, FERC Project No. 2107. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 3 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 2.0 Goals and Objectives 2.1 Fish Population Monitoring The goal of the Poe Bypass Reach fish population monitoring is to collect fish population information from the three sections of the NFFR Poe Bypass Reach under the new license-required instream flows with the objective to provide information on the fisheries population response to the new license required minimum instream flows. Specific objectives are as follows: 1. Determine trends in composition, size/age distribution, relative abundance, and biomass for all species and Condition Factor (K) for trout, a target fisheries species. 2. Compare data collected during sampling blocks to document status of the fish community, including any identified response to the change in Project operations or enhancement. 2.2 BMI Community Monitoring The goal of the Poe Bypass Reach BMI community monitoring is to collect BMI community information from the three sections of the NFFR under the new license-required instream flows with the objective to characterize the BMI community response to the new license required minimum instream flows. Specific objectives are as follows: 1. Evaluate BMI community indices using California Stream Condition Index (CSCI) (CDFW and Southern California Coastal Water Research Project 2015), as specified in the SWRCB 401 WQC Condition 9. 2. Document trends in the macroinvertebrate community structure metrics within reaches, between reaches, and in comparisons between sampling blocks. 3. Compare data collected during sampling blocks to document status of the BMI community as described in the SWRCB 401 WQC Condition 9, including any identified response to the change in project operations or enhancement. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 4 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 3.0 Study Area The study area for the fish population and BMI community monitoring includes the North Fork Feather River (NFFR) from Poe Dam downstream to Poe Powerhouse (Poe Bypass Reach). Monitoring sites were chosen to include a variety of habitats (riffle, run, glide, pool, cascades, etc.) located in upper, middle, and lower sections of the Poe Bypass Reach. The Poe Bypass Reach of the NFFR is 7.62 river miles (RM) and extends from Poe Dam to Poe Powerhouse. From Poe Dam downstream, the upper section begins off as a wide, low-gradient channel to a point immediately downstream from the mouth of Flea Valley Creek, covering an approximate distance of 1.01 RM (5,350 feet). At this location, the river enters a narrower, steeper canyon section dominated by bedrock canyon walls and large boulders; this middle section continues for an estimated 2.53 miles RM (13,360 feet) to Bardee’s Bar. The lower section of river, from Bardee’s Bar to Poe Powerhouse, opens to a wider, low-gradient channel with long pools, runs, and pocket-water habitats separated by short sections of riffles and/or cascades; this lower section, is approximately 4.08 RM (21,560 feet). All three sections of the reach are dominated by large pools, which tend to be shorter and deeper in the narrower, middle canyon section, and longer and wider in the upper and lower sections. 3.1 Fish Population Monitoring Sites Electrofishing and snorkel survey sites will consist of 3 sites (Table 3-1; Figure 3-1); the sites are made up of shallow riffle-run complexes that could be electrofished to detect smaller individuals of the populations and run/glide complexes that can be snorkeled to detect larger individuals of the populations. The Flea Valley Creek site (Site FV-F) is the upstream-most monitoring location; it is approximately 0.85 miles below the dam. The Flea Valley Creek Site begins as pool habitat (at mouth of Mill Creek) and transitions into a glide/run and then into a riffle complex. The Bardee’s Bar fish population monitoring site (Site BB-F) is the middle site; it is comprised of a cascade/riffle/run/glide complex. The downstream-most site, closest to the Poe Powerhouse, is Poe Beach (Site PB-F); this site is comprised of riffle/run habitat that transitions into a glide/pool habitat. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 5 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Table 3-1. General Global Positioning System coordinates of Poe Bypass Reach fish population monitoring sites and descriptions. Site ID Site Description Location a FV-F Flea Valley Creek 10S 633099 4406963 BB-F Bardee’s Bar 10S 0632281 4403580 PB-F Poe Beach 10S 0631333 4399175 a Actual upstream and downstream gps locations will be identified and recorded during first monitoring event for all subsequent monitoring Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 6 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 3-1. General map locations of fish population monitoring sites. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 7 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public 3.2 BMI Monitoring Sites There is a total of six BMI monitoring sites; three sites in the regulated Poe Bypass Reach and three reference sites in unregulated reaches (Table 3-2; Figure 3-2 and Figure 3-3). The unregulated reaches include: The East Branch of the North Fork Feather River (site EB-B), Yellow Creek which is a tributary to the North Fork Feather River (site YC-B), and Millsap Bar located on the Middle Fork Feather River (site MB-B). The MB-B and EB-B sites have also functioned as references to BMI monitoring on the Rock Creek-Cresta Project (PG&E 2002). YC-B was chosen because it is an available reach in the watershed not regulated by the Project. The Poe Bypass Reach monitoring sites include: Flea Valley Creek (Site FV-B; upstream-most project site), Bardee’s Bar (Site BB-B; middle site), and Poe Beach (Site PB-B; downstream-most site). Table 3-2. General Global Positioning System coordinates of Poe Bypass Reach BMI community monitoring sites, descriptions, and reach type. Site ID Site Description Reach Type Approximate Upstream Location a (UTM NAD 83) FV-B Flea Valley Creek Regulated 10S 0633100 4406923 BB-B Bardee’s Bar Regulated 10S 0632281 4403580 PB-B Poe Beach Regulated 10S 0631333 4399175 YC-B Yellow Creek Unregulated 10T 0649714 4431208 EB-B East Branch of North Fork Feather River Unregulated 10 S 0664699 4431124 MB-B Millsap Bar on Middle Fork Feather River Unregulated 10 S 0648328 4396628 a Actual upstream and downstream will be identified and recorded during first monitoring event for all subsequent monitoring. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 8 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 3-2. General locations of BMI population monitoring sites in the Poe Bypass Reach. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 9 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Figure 3-3. General locations of BMI population monitoring sites in unregulated reaches. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 10 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 4.0 Methods The monitoring and reporting schedule in this Plan establish different block lengths from that presented in the SWRCB WQC Condition 9 and the Forest Service 4(e) Condition 25 but meets the requirements of timing and frequency of monitoring identified in the conditions. The Block Periods and Monitoring Years are defined in Table 4-1. The monitoring locations, methods and schedule will be reviewed and agreed-upon at the end of each Block period. Any proposed changes must be approved by the Deputy Director, the Plumas National Forest, Forest Supervisor, and FERC before implementation. Fish population and BMI monitoring will occur in license years 3, 4, 5, and 6 of Block 1; in license years 6 7, 8, 10 of Block 2; and in license years 16, 18, 20 of Block 3 (Table 4-1). Per SWRCB 401 WQC Condition 9, unless otherwise approved by the SWRCB and Forest Service, monitoring will continue every 5 years for the remainder of the license term and any license extensions. This is illustrated in Blocks 4 and 5 of Table 4-1. Monitoring will occur in the late summer and early fall months, to avoid impacts to sensitive life stages of the foothill yellow-legged frog (FYLF), and effects of elevated summer temperatures. To facilitate instream sampling, and provide for personnel safety, streamflow may need to be reduced. PG&E may reduce streamflows defined in, and in accordance with any other requirements of, SWRCB WQC Condition 1, Forest Service 4(e) Condition No. 23, and FERC License Article 401(c) to implement this monitoring Plan under the following conditions: 1. Monitoring will occur between September 15 to October 31, with a goal to complete monitoring by the end of September whenever possible for higher efficiency of fish capture and to make caparison of fish sizes across years; 2. Monitoring streamflows will be no less than 55 cfs; 3. Reduced streamflow shall not exceed 10 consecutive days; 4. Up and down ramping rates during this period will be limited to no more than 100 cfs per hour; and 5. Reduced streamflow may only be commenced if no whitewater boating flow releases have occurred for seven consecutive days. Each year that monitoring occurs, PG&E shall provide the agencies with the specific proposed schedule at least 45 days prior to monitoring. Agencies will have 15 days to comment on the schedule, and if any agency proposes an alternative schedule, PG&E will convene a conference call with all agencies to develop a revised schedule. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 11 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public If the State of California declares a drought in Butte County or if consecutive Critically Dry water years are experienced, PG&E will consult with the CDFW, Forest Service and the SWRCB staff to determine if deferral of monitoring is necessary. In the event monitoring is deferred, the schedule will be adjusted and documented in the annual report. The block date periods will not be changed. The new schedule will be approved by the Forest Service, the SWRCB staff and the SWRCB Deputy Director during review and approval of the annual report. As provided in Forest Service 4(e) Condition No. 23 and SWRCB WQC Condition 2, a Critically Dry water year is based on the Department of Water Resources annual forecast of unimpaired runoff of the Feather River at Lake Oroville reported in the May Bulletin 120 (i.e., less than 2,505 TAF inflow to Lake Oroville). SWRCB 401 WQC Condition 9 also requires the Licensee to provide a description of possible circumstances that may affect monitoring and if those circumstances are caused by Project operations. There are many unpredictable circumstances beyond PG&E’s control that may affect the ability to monitor (e.g., extreme weather events, natural geomorphic processes, wildfires, chemical spills, non-project anthropomorphic factors, etc.). Of those circumstances that may be caused by Project operations, the most common include: inability to decrease flows for surveys, and construction on critical infrastructure, which may delay the ability to conduct the surveys. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 12 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Table 4-1. Poe Bypass Reach Fish Population and BMI Monitoring Schedule. Block ID Block Period (License Years) Monitoring Years (License Years) Block 1 1- b a b c c d d *Note: Unless otherwise approved by the Deputy Director, the Licensee shall implement biological monitoring at least every five years following the final monitoring completed in Block4 (i.e., commencing in Year 25) for the remainder of the license and any extensions. **Schedule is modified during December 2020 revision to add year since monitoring in year 2 was cancelled due to the North Complex Fire of September 2020. a Schedule was modified during December 2020 revision to add year since monitoring in year 2 was cancelled due to the North Complex Fire of September 2020. b Monitoring in Year 6 (2024) was an additional year of monitoring required by FERC to detect any population responses after a 2023 flow variance request. c Year 7 monitoring (2025) was added to the monitoring schedule to avoid shifting monitoring blocks. d Unless otherwise approved by the Deputy Director, the Licensee shall implement biological monitoring at least every five years following the final monitoring completed in Block 3 (i.e., commencing in Year 20) for the remainder of the license and any extensions. 4.1 Fish Population Monitoring Fish population monitoring will be conducted using methods similar to those currently used in the Rock Creek-Cresta Project (PG&E 2018). Where appropriate, modifications to the methodology are based on efficiencies gained from sampling in the Rock Creek-Cresta Project and limited safe access to the Poe Bypass Reach. Specifically, fish population surveys will employ electrofishing and direct observation methodologies. 4.1.1 Survey Methods During both electrofishing and direct observation monitoring the biologists will monitor real-time water temperatures. If monitoring illustrates significant increases in water temperature trending to or above 23°C, PG&E will return flows to the pre-variance levels, and postpone monitoring until water temperatures can be maintained below 23°C. Likewise, if there were any signs of fish mortality, stranding, or obvious distress, PG&E will return flows to the pre-variance levels and postpone monitoring until water temperatures can be maintained below 23 °C. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 13 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public 4.1.1.1 Electrofishing In the North Fork Feather River, including surveys in the Rock Creek and Cresta reaches of the Rock Creek-Cresta Project, electrofishing is unsafe and inefficient at even the lowest license prescribed baseflows (≥180 cfs in October in a Critically Dry water year for the Poe Project); therefore, as is performed prior to sampling in the Rock Creek-Cresta Project reaches, PG&E will reduce flows to approximately 55 cfs (PGE 2018) 24 hours prior to the sampling event. The 24- hour period will allow fish to resume their normal behavior and re-occupy their normal/preferred habitats before sampling begins. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 14 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public When the stream channel is safe to enter, crewmembers will place mesh block nets across the width of the wetted stream channel at the upper and lower boundaries of the monitoring site. Block nets with 0.50-inch mesh will be used to prevent movement of fish in and out of the sample area to facilitate an accurate assessment of the sample population. All electrofishing sites will be approximately 100 to 150 meters long, where safety constraints allow, and terminate at natural habitat unit breaks at both the upstream and downstream ends. Pool habitats too deep to backpack electrofishers will be surveyed by direct observation. Backpack electrofishing generally will be conducted following procedures identified by Reynolds (1996). Crew size, including number of backpack electrofishers, for each site will depend on the wetted width of the stream channel, and habitat complexity. To maximize capture efficiency, the electrofishers and their netters will move upstream through the monitoring site at consistent pace abreast of one another and parallel to the thalweg. A three-pass sampling effort will be used, whereby stunned fish will be captured and temporarily removed from the sampling site during each pass to capture as much of the population as possible. During each pass, the crew will retain the same positions across the channel and the electrofishers will attempt to repeat the same pace and level of effort. Fish from each pass will be held in separate live wells outside the monitoring site (either upstream or downstream of the sampled site), until all passes are completed. Each electrofisher crew will make a conscious effort to monitor fish recovery in the holding containers. If specimens are slow to recover, the electrofisher will adjust either the current, the structure of the current used, or the time/duration that current is applied to minimize adverse impacts on fish. Fish will be identified to species, enumerated by pass, and measured. All weights will be recorded to the nearest 0.1 gram (g) and fork length (FL) will be recorded in millimeters (mm). All trout species will be measured and weighed to allow for condition factor computations. To minimize stress to captured fish, a subsample by pass will limit handling of fishes. For each pass, the first 50 young-of-year (YOY) fishes, including hardhead (Mylopharodon conocephalus) (typically ≤ 80 mm FL YOY), a Forest Service Sensitive Species (Forest Service 2018) and CDFW Species of Special Concern (CDFW and University of California Davis 2015), will be individually measured and weighed; the remaining YOY fishes will be enumerated by pass. Age 1+ fish and older will be each individually measured and weighed. Upon completion of processing, all fish will be released back into the sampled site. All data will be recorded on standardized data forms. 4.1.1.2 Direct Observation Surveys Snorkel surveys will be conducted at select pool habitats adjacent to electrofishing sites that cannot be sampled by electrofishing due to depth and flow. Snorkeling techniques will generally follow (Thurow 1994; Thurow et al. 2012). Snorkel surveys will allow for detection of different species or age classes of species that utilize deeper habitats. To maximize sampling efficiency and safety, snorkel surveys will be performed while flows are maintained at 55 cfs. Snorkelers will enter the stream either upstream or downstream of the monitoring site. Snorkelers will briefly rest to acclimate and to allow fish in the area to resume normal behavior. Snorkeling Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 15 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public will typically be conducted in an upstream direction; however, in habitats where stream velocities constrain upstream movement, snorkelers may float downstream. Snorkel crews will consist of a minimum of three (3) snorkelers depending on stream width and water clarity. Snorkelers will align across the channel and stratify the study site into fixed snorkel lanes to avoid duplicating fish counts. Snorkelers will then proceed through the site in designated lanes at a slow and uniform pace. Fish will be identified to species, counted, and categorized into pre-defined length-classes of 5 inches (0-5 in., 5-10 in., 10-15 in., 15-20 in., 20-25and so on). For large schools of fish, the total number of fish in the school and the range of lengths for each school will be recorded. (Schools of fish encountered during snorkeling are often composed of the same species and age class.) Up to two (2) replicate snorkel passes (three passes, total) may be performed at each station using the same snorkel team to assess count efficiency. Replicate surveys should be conducted no sooner than one (1) hour after the initial survey to allow the fish to redistribute themselves and resume normal behavior. Snorkelers may use underwater tablets or call out to an on-shore recorder to assist in recording data. Fish lengths and length ranges will be transferred to a standardized data form following the sample effort at each station. Measurements of water temperature and water clarity (e.g., secchi disc) will be collected following each effort. A multiple pass technique will be employed where each site will be snorkeled using three consecutive passes to allow for estimates of variability. To maintain consistency, the same number of snorkelers will be used at each station across sampling efforts. 4.1.1.3 Physical Habitat Data At each fish population monitoring site (electrofishing and direct observation), several physical measurements and estimates will be made in the wetted stream channel to define habitat conditions. Ten (10) stream widths, equally spaced through the station, will be measured to the nearest tenth of a foot. Along each width measurement transect, three depths (at the quarter, half, and three-quarter points of the stream width) will be measured to the nearest tenth of a foot. Streamflow will be measured at each monitoring site. The following physical characteristics will be visually estimated at each monitoring site: 1) type (e.g., undercut bank, surface turbulence, riparian vegetation, etc.) and percentage of cover suitable for fish; 2) type (i.e., deciduous or evergreen) and percentage of canopy cover; and 3) substrate composition as percent of fines, sand, gravel, cobble, boulder, and bedrock; 4) percent composition of habitats (i.e., riffle, run, and/or pool). During the initial visit to each monitoring site, site identification data will be collected. If possible, GPS readings will be taken to document site location. A benchmark will also be established at each station and will consist of a description of a notable physical feature (e.g., railroad mileage marker, road crossing, gauging station, etc.). The distance and location of the station in relation to the benchmark will be recorded for future reference. Photo-documentation will also be completed after each effort and will include photos of each monitoring station from the bottom looking upstream and from the top looking downstream. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 16 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public In-situ water quality measurements will be collected using a handheld YSI-85 or similar instrument and will include dissolved oxygen, conductivity, and water temperature. 4.1.2 Analysis Data will be used to determine fish composition, relative abundance, fish species length-frequency distribution, and biomass and condition factors for trout and native species. Data collected during fish population monitoring will be entered into a Microsoft Excel® spreadsheet and quality checked against the raw data sheets. Data will be analyzed for species composition, length- frequency distribution, relative abundance, and condition (based on data collected during electrofishing). Results from subsequent monitoring will be compared to the preceding monitoring to distinguish any trends in the fish populations. Fish data will be compared to benthic macroinvertebrate (BMI) data collected as discussed in Section 4.2 Benthic Macroinvertebrate Monitoring. 4.1.2.1 Electrofishing Electrofishing data will be analyzed using the software package MicroFish 3.0 (or later version) which is based upon the removal-depletion model (Van Deventer and Platts 1989). Maximum likelihood population estimates, capture probabilities (the proportion of fish captured on a given electrofishing pass), lengths, weights, and biomass will be produced for each monitoring site based on fish capture data. Biomass of trout will be calculated based on total weight measured for each species. Fish population analyses will include species composition, relative abundance, inter- and intra- species population structure based on relative densities, and age-class structure based on length- frequency distributions. Rainbow trout standing stock estimates will be reported as: 1) numbers and weight of fish by species per 100 m of stream; 2) numbers of fish by species per mile; 3) pounds of fish by species per acre of stream surface; and 4) kilograms of fish by species per hectare. Species age-class distribution will be analyzed using length frequency histograms developed from fish captured. Breaks or modalities within the histograms will be evaluated for determination of approximate age class structure. Condition factor will be assessed with data collected at electrofishing sites; the weight-to-length relationship of individual species will be assessed as a method of identifying the nutritional state or health of the fish related to size and growth. Fulton’s condition factor (k) (Neuman et al 2012), a measure of this nutritional state, will be calculated using the following formula: Individual condition factors (k) = Wet Weight (grams) x 105 [Total Length (mm)]3 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 17 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public The Condition Factor K allows the compare the condition of individuals. The condition is dependent on the time of sampling, and species. Mean trout condition will be calculated from individual condition values for each trout species. 4.1.2.2 Direct Observation For snorkeling sites, population estimates will be the total number of fish recorded for each species, recognizing that these values may be under-estimates. This will be particularly true for large pool habitats. Any biomass estimates generated from snorkeling data will be based on length-weight relationships developed for fish collected at the respective electrofishing site, or from multiple sites if sufficient data is unavailable. 4.2 Benthic Macroinvertebrate Monitoring As previously discussed in section 4.1, in-water work in the North Fork Feather River is unsafe and inefficient at even the lowest license prescribed baseflows (≥180 cfs in October in a Critically Dry water year for the Poe Project); therefore, as is performed prior to sampling in the Rock Creek- Cresta Project reaches, PG&E will reduce flows to approximately 55 cfs (PGE 2018) 24 hours prior to the sampling event. The BMI data collection (including physical habitat) will be consistent with the Surface Water Ambient Monitoring Program protocol (SWAMP; Ode et al 2016 or current) to the extent practicable. Variations from the SWAMP protocol will be consistent with those applied during BMI monitoring performed for the Rock Creek-Cresta Project; variations are identified in (see section 4.2.1 Survey Methods). Based on SWAMP (Ode et al 2016), four (4) survey tasks, comprised of a number of activities (or “modules”), make up the bioassessment protocol. The survey tasks consist of 1) Reach Delineation and Water Quality, 2) Biotic Assemblage and Physical Habitat Sampling at Cross- sectional Transects, 3) Discharge Transect, and 4) Reach-scale Measurements. Standard SWAMP Stream Habitat Characterization Form datasheets are included in Appendix A. To minimize the possibility of disturbance to the area, BMI monitoring sites will not overlap the same length of stream channel as the fish population monitoring. If overlap is unavoidable, BMI samples will be collected the day prior to fish population monitoring. 4.2.1 Survey Methods 4.2.1.1 Reach Delineation and Water Quality Per SWAMP protocol, sampled reach lengths (i.e., BMI monitoring site) should be 150 m if the wetted width is less than or equal to 10 m, and 250 m if the wetted width is greater than 10 m; however due to limited availability of reaches of 250 m that do not include deep, un-wadeable channels, BMI monitoring sites will be limited to 150 m, consistent with the protocol implemented for the Rock Creek-Cresta Project BMI monitoring . Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 18 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Prior to BMI sampling, each 150-m monitoring site will be divided into 11 equal spaced cross- sectional transects (15 m apart) and GPS coordinates are recorded at the upper and lower boundaries. The following water quality parameters will then be recorded per SWAMP protocol: • Turbidity (NTU) • Water temperature (°C) • Specific conductivity (μS/cm) • Salinity (ppt) • Alkalinity (mg/L) • pH • Dissolved oxygen (mg/L and % saturation) 4.2.1.2 Biotic Assemblage and Physical Habitat Sampling at Cross-sectional Transects BMI sampling will employ Reach Wide Benthos (RWB) following the SWAMP protocol. RWB samples will be comprised of eleven one-ft2 kick samples collected at each of the 11 transects. All samples will be elutriated and cleaned in the field, placed in jars, labeled, and preserved. Collection of macroinvertebrate samples will occur before physical habitat measurements are recorded at each site to avoid excessive disturbance to the stream channel substrates. Physical habitat measurements as included by SWAMP will include, but not limited to: • Depth and pebble count • Cobble embeddedness • Percent algal cover • Bankfull dimensions • Wetted width • Bank stability • Human influence • Riparian vegetation • Instream habitat complexity • Stream shading • Flow habitat delineation • Slope • Sinuosity • Transect substrates 4.2.1.3 Reach-scale Measurements Finally, as specified in the SWAMP, qualitative reach measures will be assessed for each site using the EPA’s Rapid Bioassessment Protocols (Barbour et al. 1999). Ten habitat variables, including available cover, embeddedness, channel flow status, and riparian and bank conditions will be ranked on a scale of 0 to 20, for a total possible score of 200. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 19 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Each site will be photo-documented. At minimum, photos will be taken at transects A and F looking upstream, and at transects F and K looking downstream; an overview photo (from a vantage point capturing the full site), if feasible, will also be taken. 4.2.2 Analysis 4.2.2.1 Laboratory Methodology All benthic samples will be processed following the SWAMP protocol (or current protocol) using a taxonomist approved by CDFW for EPA Evaluations. All specimens will be identified to Level II standard taxonomic effort (STE) as defined by the Southwest Association of Freshwater Invertebrate Taxonomists (SAFIT), which generally corresponds to the genus-species level for most insects, and slightly less rigorous effort (e.g., class, family, or tribe/subfamily) for certain other taxa groups (Level II STE for California taxa is defined in SAFIT [2006]). The CDFW’s Aquatic Bioassessment Laboratory (ABL) will be contracted to perform an external quality assurance/quality control (QA/QC) check for accuracy of enumeration and taxonomic identification. 4.2.2.2 Metrics The first block of monitoring will include EPT index similar to relicensing BMI studies. The California Stream Condition Index (CSCI) will be calculated for all sampling events in all blocks (unless another index becomes available). The CSCI combines the best of multi-metric techniques with the best of predictive multi-variate techniques (such as observed vs. expected [O/E] models which assess taxonomic completeness). The CSCI was developed with a much larger, more representative dataset than other indices (which makes it applicable statewide) covering a broader range of environmental variability among natural stream types. Additionally, the CSCI sets biological benchmarks for a given site based on that site’s specific geographic and environmental settings (further details regarding CSCI development and interpretation can be found in SWAMP’s CSCI technical memorandum (Mazor and Ode 2015) and the CSCI’s publication (Mazor et al 2016); interim methods for CSCI calculation are described in Mazor et al. 2017. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 20 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 5.0 Reporting and Plan Revisions 5.1 Reporting The fish population and BMI community monitoring program will generate a data monitoring reports for each year monitoring occurs. Each data monitoring report will summarize the results of the current year monitoring period and provide a section that summarizes all data from all previous monitoring reports. Fish population and BMI reports will be compiled and submitted to the Forest Service, SWRCB, CDFW, and USFWS each year that fish population or BMI monitoring is conducted. The reports will be made available electronically (a hard copy version will be made available upon request). The fish production monitoring data will be used in conjunction with the results of the other resource investigations (macroinvertebrate, temperature, water quality, amphibian, riparian, geomorphology, etc.) to determine the overall effect of Project flow regimes on the environmental resources of the Project area. PG&E will submit a draft of the Poe Bypass Reach fish population and BMI monitoring report to the Forest Service, SWRCB, USFWS, and CDFW following the conclusion of each calendar year when monitoring occurs. PG&E will submit the draft report to the resource agencies on or before March 15 of the subsequent year. PG&E will allow the resource agencies at least 30 days to review and comment on the draft report, and will set up a consultation meeting if requested. The final annual report will be filed with FERC by May 31. PG&E will include in the final report any comments and recommendations made by the agencies on the draft report. If PG&E does not adopt a recommendation, the filing shall include PG&E’s reasons based on project-specific information. 5.2 Plan Revisions The Licensee, in consultation with the Forest Service, SWRCB, USFWS, and CDFW, will review, update, and revise the Plan, as needed, when significant changes in the existing conditions occur. Sixty days will be allowed for the Forest Service, SWRCB, USFWS, and CDFW to provide written comments and recommendations. After consultation and agreement with the Forest Service and SWRCB, the Licensee will work with the Forest Service and SWRCB to file the updated Plan with FERC. The Licensee will include all relevant documentation of coordination and consultation with the updated Plan filed with FERC. If the Licensee does not adopt a particular recommendation by USFWS or CDFW, the filing will include the reasons for not doing so. The Licensee will implement the revised Plan as approved by FERC. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 21 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public SECTION 6.0 References Barbour, M.T., J. Gerritsen, B.D. Snyder, and J.B. Stribling. 1999. Rapid bioassessment protocols for use in streams and wadeable rivers: periphyton, benthic macroinvertebrates and fish. Second Edition. EPA 841-B-99-002. U.S. Environmental Protection Agency; Office of Water; Washington, DC. California Department of Fish and Wildlife (CDFW) and Southern California Coastal Water Research Project. 2015. The California Stream Condition Index (CSCI): A New Statewide Biological Scoring Tool for Assessing the Health of Freshwater Streams. Prepared by: Andrew C. Rehn, Raphael D. Mazor, and Peter R. Ode. SWAMP Technical Memorandum. SWAMP-TM-2015-0002. September 2015 California Department of Fish and Wildlife (CDFW) and University of California Davis. 2015. California Fish Species of Special Concern, 3rd Edition. Available at: https://www.wildlife.ca.gov/Conservation/SSC/Fishes Federal Energy Regulatory Commission (FERC). 2001. Order Approving Settlement and Issuing New License. Project Nos. 1962-000 and 028. Prepared by Federal Energy Regulatory Commission, Office of Energy Projects, Division of Hydropower Licensing. Washington, DC. October 24, 2001. . 2018. Order Issuing New License. Project Nos. 2107-016. Prepared by Federal Energy Regulatory Commission, Office of Energy Projects, Division of Hydropower Licensing. Washington, DC. December 17, 2018. United States Department of Agriculture - Forest Service (Forest Service). 2018. Forest Service revised final license terms and conditions necessary for the protection and utilization of the Plumas National Forest in condition with the application for license Poe Hydroelectric Project, FERC No. 2107, Pacific Gas and Electric Company. Prepared by the United States Department of Agriculture, Forest Service. Pacific South West Region. July 6, 2018. . 2018b. Region 5 Regional Forester's 2013 Sensitive Animal Species List available at: https://www.fs.usda.gov/main/r5/plants-animals/wildlife Mazor, R. D., P.R. Ode, A.C. Rehn, M. Engeln, K.A. Schiff, E. Stein, D. Gillett, D. Herbst, and C. P. Hawkins. 2016. Bioassessment in complex environments: Designing an index for consistent meaning in different settings. The Society for Freshwater Science 35(1): 249- 271. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 22 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Mazor, R.D. and P.R. Ode. 2015. The California Stream Condition Index (CSC); A New Statewide Biological Scoring Tool for Assessing the Health of Freshwater Streams. Swamp Technical Memorandum SWAMP-TM-2015-002. Mazor, R. D., P.R. Ode, A.C. Rehn, M. Engeln, T. Boyle, E. Fintel, and C. Yang. 2017. The California Stream Condition Index (CSCI): Interim instructions for calculating scores using GIS and R. SWAMP-SOP-2015-004 Neuman, R. M., C. S. Guy, and D. W. Willis. 2012. Length weight and associated indices. Pages 637-675 in A. V. Zale, D. L. Parrish, and T. M. Sutton, editors. Fisheries techniques, 3rd edition. American Fisheries Society, Bethesda, Maryland. Ode, P.R., A.E., Fetscher, and L.B. Busse. 2016. Standard Operating Procedures for the Collection of Field Data for Bioassessments of California Wadeable Streams: Benthic Macroinvertebrates, Algae, and Physical Habitat. California State Water Resources Control Board Surface Water Ambient Monitoring Program (SWAMP) Bioassessment SOP 004. Pacific Gas and Electric Company (PG&E). 2002. Rock Creek‒Cresta Project, FERC Project No. 1962, Macroinvertebrate Monitoring Plan. September 20, 2002. . 2018. Rock Creek-Cresta Project, FERC Project No. 1962, 2017 Macroinvertebrate Monitoring, Condition No. 9. June 2018. Pacific Gas and Electric Company (PG&E), U.S. Department of Agriculture Forest Service, U.S. Department of Interior Fish and Wildlife Service, California Department of Fish and Game, California State Water Resources Control Board, Natural Heritage Institute, American Whitewater, Friends of the River, Plumas County, California Outdoors, California Trout, Chico Paddleheads, and Shasta Paddlers. 2000. Rock Creek‒Cresta Project, FERC Project No. 1962, Relicensing Settlement Agreement. December 6, 2000. Reynolds, J.B. 1996. Electrofishing. Pages 83–120 in B. R. Murphey and D. W. Willis, editors. Fisheries Techniques, 2nd edition. American Fisheries Society, Bethesda, Maryland. Southwest Association of Freshwater Invertebrate Taxonomists (SAFIT). 2006. List of Freshwater Macroinvertebrate Taxa from California and Adjacent States including Standard Taxonomic Effort Levels. Second circulating draft, dated 27 September 2006. State of California State Water Resources Control Board (SWRCB). 2017. In the Matter of Water Quality Certification for the Pacific Gas and Electric Company Poe Hydroelectric Project, Federal Energy Regulatory Commission Project No. 2107. December 28, 2017. Thurow, R.F. 1994. Underwater methods for study of salmonids in intermountain west. USFS Intermountain Research Station, United States Forest Service. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Poe Hydroelectric Project, FERC Project No. 2107 Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan Page 23 Poe Hydroelectric Project, FERC Project No. 2107 Revised April 2025 Public Thurow, R.F., Dolloff, A.C., Marsden, E. J. 2012. Visual Observation. Pages 781–818 in A. V. Zale, D. L. Parrish and T. M. Sutton, editors. Fisheries Techniques, 3rd edition. American Fisheries Society, Bethesda, Maryland. Van Deventer, J.S. and W.S. Platts. 1989. Microcomputer software system for Generating Population Statistics from Electrofishing. Data-User’s Guide for Microfish 3.0. U.S. Department of Agriculture, Forest Service. Intermountain Research Station, General Technical Report INT-254. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Public Attachment 1 FERC Article 401 – Commission Approval, Reporting, Notification, and Filing of Amendments Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-1 Poe Hydroelectric Project, FERC Project No. 21057 Revised December 2023 April 2025 Public FERC Article 401 – Commission Approval, Reporting, Notification, and Filing of Amendments (FERC 2018) (a) Requirement to File Plans for Commission Approval The State Water Resources Control Board’s (Water Board) section 401 water quality certification (WQC) (Appendix A) and the U. S. Department of Agriculture – Forest Service’s (Forest Service) section 4(e) conditions (Appendix B) require the licensee to prepare plans in consultation with other entities for approval by the Water Board or Forest Service or for submittal to the Commission, and implement specific measures without prior Commission approval. The following plans must also be submitted to the Commission for approval by the deadlines specified below: Water Board WQC Condition No. Forest Service 4(e) Condition No. Plan Name Commission Due Date 9 25 Poe bypass reach biological monitoring plan Within 1 year from license issuance *excerpt from FERC 2018 Article 401 With each plan filed with the Commission, the licensee must include documentation that it developed the plan in consultation with the above-listed agencies and provide copies of any comments received, as well as its response to each comment. The Commission reserves the right to make changes to any plan filed. Upon Commission approval, the plan becomes a requirement of the license, and the licensee must implement the plan, including any changes required by the Commission. Any changes in the above schedule or plans require approval by the Commission before implementing the proposed change. (b) Requirements to File Reports. Certain conditions of the Water Board WQC in Appendix A and the Forest Service’s section 4(e) conditions in Appendix B require the licensee to file reports with other entities. Because these reports relate to compliance with the requirements of this license, each such report must also be submitted to the Commission. These reports are listed in the following table: Water Board WQC Condition No. Forest Service 4(e) Condition No. Plan Name Commission Due Date 9 - Biological monitoring report Six months following each sampling effort *excerpt from FERC 2018 Article 401 With each report filed with the Commission, the licensee must include documentation of consultation with the agencies specified in the conditions noted above and provide copies of any Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-2 Poe Hydroelectric Project, FERC Project No. 21057 Revised December 2023 April 2025 Public comments received, as well as its response to each comment. The Commission reserves the right to require changes to project operation or facilities based on the information contained in the report and any other available information. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-3 Poe Hydroelectric Project, FERC Project No. 21057 Revised December 2023 April 2025 Public Attachment 2 FERC Appendix B SWRCB Water Quality Certification Condition No. 9 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-4 Poe Hydroelectric Project, FERC Project No. 21057 Revised December 2023 April 2025 Public SWRCB 401 Water Quality Certification Condition No. 91 – Poe Bypass Reach Biological Monitoring Within one year of license issuance, the Licensee shall submit a Poe Bypass Reach Biological Monitoring Plan (Biological Monitoring Plan) to the Deputy Director for review and approval. The Biological Monitoring Plan shall be developed in consultation with State Water Board staff, Forest Service, USFWS, and CDFW. The Biological Monitoring Plan shall describe the fish, BMI, and amphibian monitoring the Licensee will conduct in the Poe bypass reach over the term of the license and any extensions. At a minimum, the Biological Monitoring Plan shall include the following elements: (1) objectives and goals; (2) description of the methodology that will be used for monitoring; and (3) description of possible circumstances that may affect monitoring and whether those circumstances are caused by Project operations. The Licensee shall include documentation of consultation with the above agencies, copies of comments and recommendations made in connection with development of the Biological Monitoring Plan, and a description of how the Biological Monitoring Plan incorporates or addresses agency comments and recommendations. All monitoring shall be consistent with the methods used for upstream monitoring associated with the Rock Creek-Cresta Hydroelectric Project (FERC Project No. 1962) unless otherwise approved by the Deputy Director. The Licensee shall allow a minimum of 30 days for the above agencies to comment and to make recommendations before submitting the Biological Monitoring Plan to the Deputy Director for review and approval. The Deputy Director may make modifications as part of any approval. The Licensee shall file the Deputy Director's approval, and any required modifications, with FERC. Fish and BMI. Table 5 establishes the years following license issuance that the Licensee shall monitor BMI and fish in the Poe bypass reach. Sampling may be deferred to the following year(s) in a year in which the Governor of the State of California declares a drought, or consecutive Critically Dry water years. A minimum of three sampling locations shall be sampled during each monitoring effort and sampling locations shall be consistent with past locations, unless otherwise approved by the Deputy Director. The Licensee shall submit biological monitoring reports to State Water Board staff within six months following completion of each sampling effort. Within six months of the end of a biological monitoring block period (outlined in Table 5), the Licensee shall consult with the Forest Service, State Water Board staff, USFWS, and CDFW to review the biological monitoring program. If changes to the biological monitoring program are determined appropriate by the agencies, the Licensee shall, within one year of the end of the block, propose updates to the Biological Monitoring Plan for Deputy Director approval. The Deputy Director may make modifications as part of any approval. The Licensee shall file the Deputy Director's approval, and any modifications, with FERC. Possible updates include, but are not limited to, sampling timeframes and protocols. Table 5 outlines the 1 SWRCB (2017) Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-5 Poe Hydroelectric Project, FERC Project No. 21057 Revised December 2023 April 2025 Public Biological Monitoring Schedule for the first 22 years of the license. Unless otherwise approved by the Deputy Director, the Licensee shall implement biological monitoring at least every five years following the final monitoring completed in Block 2 (i.e., commencing in Year 25) for the remainder of the license and any extensions. Table 5. Biological Monitoring Schedule Initial 1-5 2, 3, 4 Block 1 6-12 6, 8, 10 Block 2 16-22 16, 18, 20 Fish monitoring data shall include, but are not limited to, the following: A. Fish species composition and relative abundance; B. Fish species size/age distribution; and C. Condition of sampled fish. BMI monitoring shall be consistent with State Water Board SWAMP protocols and be evaluated using the CSCI unless otherwise approved by the Deputy Director. The initial monitoring block shall include analysis using the EPT index, as used in relicensing studies. The Licensees shall implement the Poe Bypass Reach Fish and Benthic Macroinvertebrate Monitoring Plan, as approved by FERC. Any revisions approved by the Deputy Director shall be incorporated into the plan. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-6 P Poe Hydroelectric Project, FERC Project No. 21057 Revised December 2023 April 2025 Public Attachment 3 FERC Appendix B Forest Service 4(e) Condition No. 25 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Page A-7 Poe Hydroelectric Project, FERC Project No. 21057 Revised December 2023 April 2025 Public Forest Service 4(e) Condition No. 25 – Poe Reach Biological Monitoring2 Within one year of license issuance, and after consultation with the Forest Service, and other interested governmental agencies, the Licensee shall file with the Commission fish population, benthic macroinvertebrate, and amphibian monitoring plans approved by the Forest Service. The plans shall describe monitoring to be conducted in the Poe bypass reach over the life of the license. At year 10 after implementation of the new flow regime, the licensee shall meet with the Forest Service, other interested governmental agencies, and interested parties to review the biological monitoring program. Modifications to the sampling timeframes and protocols may be modified if other methods or timeframes are jointly determined to be more appropriate by the Licensee, Forest Service, and other interested governmental agencies. The fish monitoring plan shall include, at a minimum, the following elements in at least three sites or as agreed by the Forest Service, in the Poe reach: • Fish species composition and relative abundance, • Fish species size/age distribution, • Condition factor of sampled fish species condition and trend. The specific monitoring plan for benthic macroinvertebrates, including frequency, protocol, and monitoring metrics should be comparable to the other benthic macroinvertebrate studies in the Feather River such as studies conducted for the Upper North Fork Feather Project No. 2105 and/or the Rock Creek-Cresta Hydroelectric Project No. 1962. Monitoring shall be conducted at a minimum of three sites or as agreed by the Forest Service. Benthic macroinvertebrate monitoring shall follow accepted protocols such as SWAMP. Fish and Benthic Macroinvertebrate monitoring shall occur every two years over a six-year period beginning in years 6 and 16 following the implementation of the new flow regime, for a total of six sampling efforts over the two periods. Sampling may be deferred to the following year in the event of a Critically Dry Year. 2Forest Service (2018) Document Accession #: 20250602-5134 Filed Date: 06/02/2025 ENCLOSURE 9 Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Caution: External Email. Use caution when clicking links or opening attachments. When in doubt, contact DIT or use the Phish Alert Button. From:Thaler, Parker@Waterboards To:Urias, Anna; Fisch, Nathan@Waterboards; Dyke, Jessica@Waterboards Cc:Larson, Anika Subject:RE: WQC Condition 1 & 9 Amendments and Plan revisions for P-2107 Date:Wednesday, March 5, 2025 11:08:21 AM Classification: Public CAUTION: EXTERNAL SENDER! This email was sent from an EXTERNAL source. Do you know this person? Are you expecting this email? Are you expecting any links or attachments? If suspicious, do not click links, open attachments, or provide credentials. Don't delete it. Report it by using the "Report Phish" button. Hello Anna, Thank you for checking in. At this time, I don’t have an update to provide. We plan to act on PG&E’s amendment request within the one-year timeline. Parker Thaler Water Quality Certification Program Manager From: Urias, Anna <AXUS@pge.com> Sent: Wednesday, March 5, 2025 9:16 AM To: Fisch, Nathan@Waterboards <Nathan.Fisch@Waterboards.ca.gov>; Thaler, Parker@Waterboards <parker.thaler@waterboards.ca.gov>; Dyke, Jessica@Waterboards <Jessica.Dyke@Waterboards.ca.gov> Cc: Larson, Anika <A9L6@pge.com> Subject: WQC Condition 1 & 9 Amendments and Plan revisions for P-2107 Classification: Public Hi folks, I’m checking on the status of the request to amend Section 401 Water Quality Certification (WQC) Condition 1 and 9 for Pacific Gas and Electric Company’s (PG&E) Poe Hydroelectric Project, Federal Energy Regulatory Commission (FERC) No. 2107. This amendment request also included requests to revise the Poe Amphibian Monitoring Plan and the Poe Amphibian Monitoring Plan. This request was submitted by PG&E to the SWRCB on December 19, 2024. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Please let me know if you have any questions regarding the amendments or revisions. Regards, A N N A U R I A S H Y D R O L I C E N S E C O O R D I N A T O R I P O W E R G E N E R A T I O N P A C I F I C G A S & E L E C T R I C C O M P A N Y ( 5 3 0 ) 2 0 1 - 1 9 6 1 I A X U S @ P G E . C O M You can read about PG&E’s data privacy practices at PGE.com/privacy. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 From:Urias, Anna To:Sable, Kurt - FS, CA; Edlund, Leslie - FS, CA; Alvarez, Dawn - FS, CA; Everest, Loren - FS, CA; Brenzovich, Erika - FS, CA; Doe, Emily - FS, CA Cc:Larson, Anika Subject:RE: Amendment Request: 4(e) Cond. No. 23. MIF for P-2107 Date:Wednesday, March 5, 2025 2:17:00 PM Thank you for the update Kurt! Regards, A N N A U R I A S H Y D R O L I C E N S E C O O R D I N A T O R I P O W E R G E N E R A T I O N P A C I F I C G A S & E L E C T R I C C O M P A N Y ( 5 3 0 ) 2 0 1 - 1 9 6 1 I A X U S @ P G E . C O M From: Sable, Kurt - FS, CA <kurt.sable@usda.gov> Sent: Wednesday, March 5, 2025 1:28 PM To: Urias, Anna <AXUS@pge.com>; Edlund, Leslie - FS, CA <leslie.edlund@usda.gov>; Alvarez, Dawn - FS, CA <dawn.alvarez@usda.gov>; Everest, Loren - FS, CA <loren.everest@usda.gov>; Brenzovich, Erika - FS, CA <erika.brenzovich@usda.gov>; Doe, Emily - FS, CA <Emily.Doe@usda.gov> Cc: Larson, Anika <A9L6@pge.com> Subject: RE: Amendment Request: 4(e) Cond. No. 23. MIF for P-2107 Classification: Public CAUTION: EXTERNAL SENDER! This email was sent from an EXTERNAL source. Do you know this person? Are you expecting this email? Are you expecting any links or attachments? If suspicious, do not click links, open attachments, or provide credentials. Don't delete it. Report it by using the "Report Phish" button. Hi Anna, We have meetings scheduled next week with other agencies to make sure we get to a consistent reply on this. Thanks. From: Urias, Anna <AXUS@pge.com> Sent: Wednesday, March 5, 2025 1:10 PM To: Sable, Kurt - FS, CA <kurt.sable@usda.gov>; Edlund, Leslie - FS, CA <leslie.edlund@usda.gov>; Alvarez, Dawn - FS, CA <dawn.alvarez@usda.gov>; Everest, Loren - FS, CA <loren.everest@usda.gov>; Brenzovich, Erika - FS, CA <erika.brenzovich@usda.gov>; Doe, Emily - FS, CA <Emily.Doe@usda.gov> Cc: Larson, Anika <A9L6@pge.com> Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Subject: Amendment Request: 4(e) Cond. No. 23. MIF for P-2107 Classification: Public Hi folks, I’m checking on the status of the Pacific Gas and Electric Company’s (PG&E) request to amend Section 4(e) Condition No. 23 for PG&E’s Poe Hydroelectric Project, Federal Energy Regulatory Commission (FERC) No. 2107. This minimum instream flow modification amendment would provide PG&E the flexibility to address future maintenance and operational needs without seeking a license amendment or variance each time. PG&E submitted this request to the Forest Service on December 19, 2024, and please let me know if there are any questions regarding the amendment. Regards, A N N A U R I A S H Y D R O L I C E N S E C O O R D I N A T O R I P O W E R G E N E R A T I O N P A C I F I C G A S & E L E C T R I C C O M P A N Y ( 5 3 0 ) 2 0 1 - 1 9 6 1 I A X U S @ P G E . C O M You can read about PG&E’s data privacy practices at PGE.com/privacy. This electronic message contains information generated by the USDA solely for the intended recipients. Any unauthorized interception of this message or the use or disclosure of the information it contains may violate the law and subject the violator to civil or criminal penalties. If you believe you have received this message in error, please notify the sender and delete the email immediately. Document Accession #: 20250602-5134 Filed Date: 06/02/2025 Document Content(s) PGE20250602_2107_Condition1&9_Amendment.pdf...............................1 Document Accession #: 20250602-5134 Filed Date: 06/02/2025