Section 401 Water Quality Certification Public Notice

West Union Creek - Emergency Bank Repair


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:

West Union Creek - Emergency Bank Repair
City/County:

Woodside, San Mateo County
Comment Period:

10/24/2025 - 11/13/2025
Project Description:

Bank armoring has peeled away and has caused erosion of west bank of creek adjacent, and under an existing bridge structure. Project engineers have determined that the bridge structure is unsafe unless bank is stabilized to prevent undermining of bridge abutments.
Project Files:

Contact Staff for files
Staff Contact:

Jackson Fimrite
(510) 622-2310
Water Quality Control Board
1515 Clay Street, Ste 1400
Oakland, CA 94612