Section 401 Water Quality Certification Public Notice

Sunol Boulevard Storm Drain Bypass - Sycamore Creek Storm Improvements, CIP NO. 24662


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:

Sunol Boulevard Storm Drain Bypass - Sycamore Creek Storm Improvements, CIP NO. 24662
City/County:

Pleasanton, Alameda County
Comment Period:

4/9/2026 - 04/29/2026
Project Description:

The existing storm drain system in southeast Pleasanton is creating hazardous conditions on Sunol Boulevard due to frequent clogging during large storm events. The City of Pleasanton initiated the Sycamore Creek Storm Drain Improvement project (Project) to construct an additional storm drain line that will increase redundancy in the storm system by creating a bypass for the existing alignment.
Project Files:

Contact Staff for files
Staff Contact:

Brian Wines
(510) 622-5680
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612