Section 401 Water Quality Certification Public Notice

Marshall Petaluma Rd. MP 6.4 Retaining Wall


The San Francisco Region 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:

Marshall Petaluma Rd. MP 6.4 Retaining Wall
City/County:

Unincorporated, Marin County
Comment Period:

11/11/2022 - 12/2/2022
Project Description:

The purpose of the Project is to stabilize the slope and roadway at MP 6.4 on Marshall Petaluma Road and prevent further erosion and destabilization of both the slope and roadway. The prevention of further erosion will also protect Walker Creek.
Project Files:

Contact Staff for files
Staff Contact:

Holly Garber
(510) 622-2357
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612