Lake Fordyce Dam Seepage Mitigation Project

8 Documents in Project


SCH Number
Lead Agency
State Water Resources Control Board, Division of Water Rights
Document Title
Lake Fordyce Dam Seepage Mitigation Project
Document Type
ADM - Addendum
Document Description
The Project involves the repair of Lake Fordyce Dam for dam safety and seepage reduction. The Project consists of design changes to the October 30, 2020 water quality certification, which was previously amended on August 20, 2021. Project changes include: (1) an updated cofferdam design; (2) onsite blasting and sourcing of rock for cofferdam construction at two nearby quarry locations; (3) modifications to the Project’s pH management system; and (4) addition of a potential fifth year of construction.

Contact Information

Andrea Sellers
Agency Name
State Water Resources Control Board
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency


Unincorporated Area
Cross Streets
End of Fordyce Lake Road

Notice of Completion

State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, North Central Region 2 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 3 (DOT), California Department of Water Resources (DWR), California Energy Commission, California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California Regional Water Quality Control Board, Lahontan South Lake Tahoe Region 6 (RWQCB), California State Lands Commission (SLC), Central Valley Flood Protection Board, Department of Toxic Substances Control, Office of Historic Preservation, Sierra Nevada Conservancy, State Water Resources Control Board, Division of Water Quality
Development Types
Other (Dam maintenance project)
Local Actions
Use Permit
Project Issues
Aesthetics, Air Quality, Biological Resources, Cultural Resources, Energy, Geology/Soils, Utilities/Service Systems


Final Document(s) [Approved_Certified draft environmental documents]

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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