Section 401 Water Quality Certification Public Notice
Lynch Canyon Reservoir Dam Spillway Lowering Project
The San Francisco Regional Water Quality Control Board is currently reviewing an application for the following project for water quality certification under Section 401 of the Clean Water Act. We encourage public comments on the proposed work, which will be considered in the decision on certification. You may submit comments on this project to the staff member below.
| Project Name: |
Lynch Canyon Reservoir Dam Spillway Lowering Project |
| City/County: |
Unincorporated, Solano County |
| Comment Period: |
5/5/2026 - 05/25/2026 |
| Project Description: |
Emergency spillway repairs were conducted at Lynch Canyon Reservoir in November 2006 to address California Department of Water Resources Division of Safety of Dams (DSOD) concerns that the spillway was damaged by the high flows that occurred during a severe storm event earlier that year and was no longer safe. Repairs involved installation of rock rip-rap within the stream channel. |
| Project Files: |
Contact Staff for files |
| Staff Contact: |
Alicia Pisani (510) 622-2318 Water Quality Control Board 1515 Clay Street, Ste 1400 Oakland, CA 94612 |
