Section 401 Water Quality Certification Public Notice
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: | Repair Retaining Wall on Marin 1 at PM 5.1 and 5.3 Project EA-3AA50 |
|---|---|
| City/County: | Unincorporated, Marin County |
| Comment Period: | 11/20/2025 - 12/11/2025 |
| Project Description: | The Project proposes the construction of a new retaining wall, replacement of two culverts, guardrail replacement, new pavement for a curve correction, and the repair of damaged roadway pavement. |
| Project Files: | Contact Staff for files |
| Staff Contact: | Qi Yan (510) 622-2329 Water Quality Control Board 1515 Clay Street, Ste 1400 Oakland, CA 94612 |
