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Independent regulatory commissions

Pacific Gas and Electric Company Submits 2025 Drawdown Curve for Pinecrest Reservoir

Strategic Insights

— 1 min read

Pacific Gas and Electric Company (PG&E) has submitted the 2025 Drawdown Curve for Pinecrest Reservoir as part of the Spring Gap-Stanislaus license, Federal Energy Regulatory Commission (FERC) Project No. 2130. The drawdown curve is designed to meet the specified Pinecrest Reach and Philadelphia Reach minimum streamflow requirements for the water year type and to achieve the operational objectives listed in each condition. The document provides the proposed drawdown curve to the Forest Service, California State Water Resources Control Board, California Department of Fish and Wildlife, U.S. Fish and Wildlife Service, Tuolumne Utilities District, and others who request such information.

Key Takeaways:

  • PG&E submitted the 2025 Drawdown Curve for Pinecrest Reservoir as part of the Spring Gap-Stanislaus license, FERC Project No. 2130.
  • The drawdown curve is designed to meet the specified Pinecrest Reach and Philadelphia Reach minimum streamflow requirements for the water year type.
  • The 2025 Drawdown Curve was created using the most recent data available for the Water Year Type, which was designated as Normal.
  • PG&E provided a draft of the drawdown curve to the Forest Service, California State Water Resources Control Board, U.S. Fish and Wildlife Service, California Department of Fish and Wildlife, and the Central Sierra Environmental Resource Center (CSERC) on April 10, 2025.
  • PG&E received approvals from the Forest Service, California State Water Resources Control Board, and California Department of Fish and Wildlife.
  • The consultation record with the agencies is provided in (Enclosure 2).
  • The Drawdown Curve is provided in (Enclosure 1).

Statistics:

  • The 2025 Drawdown Curve for Pinecrest Reservoir was submitted by PG&E on May 12, 2025.
  • The drawdown curve is designed to achieve the operational objectives listed in Forest Service Section 4(e) Condition No. 34 and California State Water Resources Control Board Water Quality Certification Condition No. 4.
  • The 2025 Water Year Type was designated as Normal.
  • PG&E received approvals from three agencies (Forest Service, California State Water Resources Control Board, and California Department of Fish and Wildlife) out of five agencies contacted.

Sources:

  • Pacific Gas and Electric Company to Federal Energy Regulatory Commission, May 12, 2025, RE: Spring Gap - Stanislaus Hydroelectric Project, FERC No. 2130.

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