Section 401 Water Quality Certification Public Notice

Suisun Associates Sand Mining Withing Suisun Channel


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:

Suisun Associates Sand Mining Withing Suisun Channel
City/County:

Contra Costa County
Comment Period:

1/31/2026 - 02/20/2026
Project Description:

Short-term extension ofWQC/WDR No. R2-2015-0010 through June 2026 for continued sand mining until IO-year lease and permit renewals can be fully considered.
Project Files:

Contact Staff for files
Staff Contact:

Jazzy Graham Davis
(510) 622-2509
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612