Section 401 Water Quality Certification Public Notice

Rossi Road Bridge Replacement


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:

Rossi Road Bridge Replacement
City/County:

St. Helena, Napa County
Comment Period:

5/3/2025 - 5/23/2025
Project Description:

Atmospheric Rivers in early 2025 caused significant flooding in Conn Creek which damaged the bridge. The purpose of the Project is to replace the bridge and provide a safe route for the public.
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