San Diego Region - Public Notices for Section 401 Water Quality Certifications

Public Notices

The San Diego Regional Water Quality Control Board is currently reviewing applications for water quality certification under Section 401 of the Clean Water Act for the following projects.  State regulations require that these applications are publicly noticed for a minimum of twenty-one (21) days prior to the San Diego Water Board taking an action.

We encourage public comments on the proposed work which will be considered in the decision on certification. You may submit comments by email, mail, or fax to the San Diego Water Board. Please include the Project Name and Place ID Number in the subject line of your correspondence and deliver to:

California Regional Water Quality Control Board
San Diego Region
2375 Northside Drive, Suite 100
San Diego, CA 92108
RB9_DredgeFill@waterboards.ca.gov
Fax: (619) 516-1994

For Project-specific information, please contact the assigned San Diego Water Board staff. To schedule a file review, email rb9_records@waterboards.ca.gov.

Comment Period

Place ID Number

Project Name and Description

Contact

5/30/2025 - 6/20/2025

900683

EA 43027 State Route 76 Culvert Rehabilitation Project
Applicant: California Department of Transportation, District 11

The applicant proposes to replace or rehabilitate several culverts along State Route 76. The Project is located in the unincorporated communities of Pauma Valley, Rincon, and La Jolla Amago, San Diego County, CA.

Lauren Kim

Lauren.Kim@waterboards.ca.gov

5/30/2025 - 6/20/2025

897029

Hughes Circuits Project
Applicant: Hughes SMCC, LLC

The applicant proposes the development of a light industrial building to support the expansion of the existing operations of Hughes Circuits Inc, adjacent to the project site. The Project is located in the City of San Marcos, San Diego County, CA

Alan Monji

Alan.Monji@waterboards.ca.gov

5/23/2025 - 6/13/2025

897582

Fenton Parkway Bridge Project
Applicant: San Diego State University

The Applicant proposes to construct a multi-modal bridge spanning the San Diego River from Fenton Parkway to Camino Del Rio North/Mission City Parkway. The Project is located in the City of Mission Valley, San Diego County, CA.

Lauren Kim

Lauren.Kim@waterboards.ca.gov

5/22/2025 - 6/12/2025

898625

Sweetwater Reservoir Aeration and Destratification Project
Applicant: Sweetwater Authority

The Applicant proposes to install a new aeration and destratification system at Sweetwater Reservoir to improve general water quality and lake habitat conditions at Sweetwater Reservoir, increase oxygen levels at the reservoir, and reduce the likeliness and frequency of algae blooms and other issues resulting from low dissolved oxygen (DO) levels at the reservoir. The Project is located at the Sweetwater Reservoir, San Diego County, CA.

Lauren Kim

Lauren.Kim@waterboards.ca.gov

 

 

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