Section 401 Water Quality Certification Public Notice

A-825 L-191A MP 2.47-2.49 Exposed Pipe 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:

A-825 L-191A MP 2.47-2.49 Exposed Pipe Project
City/County:

Unincorporated, Contra Costa County
Comment Period:

1/6/2026 - 01/26/2026
Project Description:

The project will address multiple risks at L-191A including exposed pipe, corrosion, shallow cover, and further deteriorating pipe due to geohazard risks.
Project Files:

Contact Staff for files
Staff Contact:

Kathryn Hart
(510) 622-2356
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612