Section 401 Water Quality Certification Public Notice

Grayson and Walnut Creek’s Levee Improvement at CCCSD Treatment Plant Project


The San Francisco Region 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:

Grayson and Walnut Creek’s Levee Improvement at CCCSD Treatment Plant Project
City/County:

Pacheco, Contra Costa County
Comment Period:

10/28/2022 - 11/18/2022
Project Description:

The purpose of this project, led by Contra Costa County Flood Control and Water Conservation District in partnership with the Central Contra Costa Sanitary District (CCCSD), is to reduce flood risk to the adjacent CCCSD wastewater treatment plant and protect against wastewater releases to adjacent waters.
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