Pacific Gas and Electric Company Submits Seepage Mitigation Report for Fordyce Dam

Strategic Insights -

Pacific Gas and Electric Company (PG&E) has submitted a monthly construction report for the seepage mitigation project at Fordyce Dam, a part of the Drum-Spaulding Hydroelectric Project, to the Federal Energy Regulatory Commission (FERC). The report details the construction activities for July 2025 and provides an update on the project's progress. FERC had previously authorized PG&E to proceed with the project and requested monthly reports documenting the construction progress.

Key Takeaways:

  • The seepage mitigation project at Fordyce Dam is part of the Drum-Spaulding Hydroelectric Project, FERC No. 2310.
  • The project has been ongoing since at least March 2022, with FERC providing authorization to proceed in a letter dated March 17, 2022.
  • PG&E has been filing monthly construction reports to FERC, with the latest report covering the month of July 2025.
  • The report provides detailed information on the project's construction activities, including any technical or general questions, which can be directed to Lacy Cannon (530-205-5404) or Trevor Moore (530-205-7345), respectively.
  • The report is classified as CUI//CEII, indicating it contains Controlled Unclassified Information (CUI) and should not be released to the public.

Statistics:

  • The project involves seepage mitigation at Fordyce Dam.
  • The report is dated August 2, 2025, and provides details on construction activities for July 2025.
  • FERC had previously authorized the project in a letter dated March 17, 2022.
  • PG&E has been filing monthly construction reports to FERC since at least March 2022.
  • The report is classified as CUI//CEII.

Sources:

  • Frank L. Blackett, P.E., Regional Engineer, Federal Energy Regulatory Commission, Division of Dam Safety and Inspections, 100 First Street, Suite 2300, San Francisco, CA 94105-3084, July 2025, Drum-Spaulding Hydroelectric Project, FERC No. 2310-CA Lake Fordyce Dam, NATDAM No. CA00357 Seepage Mitigation.
  • Letter to Frank L. Blackett from Matthew Joseph, dated July 2025.
  • Drum Fordyce Seepage Mitigation Monthly Construction Report, prepared by PG&E and dated August 2, 2025.