Section 401 Water Quality Certification Public Notice

1860 Thornsberry Road


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:

1860 Thornsberry Road
City/County:

Sonoma, Sonoma County
Comment Period:

11/1/2024 - 11/21/2024
Project Description:

Remove unpermitted rock fill Haraszthy Creek and associated activities that took place need to be authorized and restored to the satisfaction of the RWQCB as well as other resource agencies via an after-the-fact permit.
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