Section 401 Water Quality Certification Public Notice

East Railroad Ave Penngrove Intersection Improvements


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:

East Railroad Ave Penngrove Intersection Improvements
City/County:

Unincorporated, Sonoma County
Comment Period:

4/2/2025 - 4/22/2025
Project Description:

The Project will improve traffic flow and safety at this intersection through construction of a roundabout and associated road and intersection improvements.
Project Files:

Contact Staff for files
Staff Contact:

Elizabeth Morrison
(510) 622-2330
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612