Section 401 Water Quality Certification Public Notice

Arroyo Road Trail 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:

Arroyo Road Trail Project
City/County:

Livermore, Alameda County
Comment Period:

3/5/2026 - 03/25/2026
Project Description:

The Project is a part of the City of Livermore’s Bicycle, Pedestrian, & Trails Active Transportation Plan which aims to improve walking, biking, and trails in Livermore. This project will construct a multi-use paved trail to close the gap between the existing City trail at Wetmore Road and the Arroyo Del Valle Regional Trail.
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