Section 401 Water Quality Certification Public Notice
Bothin Marsh Geotechnical and Archeological Surveys
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: |
Bothin Marsh Geotechnical and Archeological Surveys |
| City/County: |
Mill Valley, Marin County |
| Comment Period: |
09/16/2026 - 10/06/2026 |
| Project Description: |
The proposed Evolving Shorelines Project would include tidal marsh restoration and re-alignment of a segment of the San Francisco Bay Trail. The geotechnical investigation is a continuation of geotechnical data gathering initiated in 2022. The proposed additional borings would support preliminary engineering for a retaining wall structure that would parallel Almonte Boulevard and support the realigned Bay Trail. |
| Project Files: |
Contact Staff for files |
| Staff Contact: |
Agnes Farres (510) 622-2401 Water Quality Control Board 1515 Clay Street, Ste 1400 Oakland, CA 94612 |
