Section 401 Water Quality Certification Public Notice

Jefferson St/Hopper Creek Wall


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:

Jefferson St/Hopper Creek Wall
City/County:

Yountville, Napa County
Comment Period:

8/6/2024 - 8/26/2024
Project Description:

The purpose of the project is to repair the collapsed portion of the rustic rock retaining wall adjacent to the creek that is approximately 176 sq. ft (16ft x 11ft.)
Project Files:

Contact Staff for files
Staff Contact:

Alicia Pisani
(510) 622-2318
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612