Section 401 Water Quality Certification - Final Letters
Section 401 WQC - Program
The following Section 401 Water Quality Certification (WQC) actions have been issued within the previous 60 days. *
DATE OF ISSUANCE |
APPLICANT |
PROJECT |
ACTION |
|---|---|---|---|
| 10/16/2026 | TBBW Company, L.P. | Ventura West Marina Redevelopment Project | WQC Made Active Under General Order |
| 10/08/2026 | Benjamin Shore | Benjamin Shore Emergency Bank Protection in Reeves Creek (RGP 63) | Signed NOA |
| 10/08/2026 | Southern California Edison | 905053627 Santa Clarita Emergency Motorway Fire Rd Emergency Stabilization 1008160E (RGP 63) | Signed NOA |
| 10/08/2026 | Cerritos Yacht Anchorage | Wilmington Marina Piling Project 2 | Signed NOA |
| 09/21/2026 | Trout Unlimited-South Coast 923 | Lower Los Angeles River Restoration and Access Project Geotechnical Investigation | WQC Made Active Under General Order |
| 09/21/2026 | BLC Tesoro, LLC | San Francisquito Creek/Copper Hill Bridge Trail Improvement Project | WQC Made Active Under General Order |
| 09/16/2026 | The Port of Los Angeles | Harbor Breeze Cruise Dock Replacement Project |
WQC Signed |
| 09/08/2026 | City of Los Angeles Bureau of Engineering | Limited Geotechnical Exploratory Drilling for the LA River Fish Habitat Pilot Project - Reach 8a |
WQC Made Active Under General Order |
| 09/05/2026 | Santa Clarita Valley Water Agency |
Sand Canyon Sewer Relocation Project | WQC Signed |
| 09/04/2026 | Los Angeles County Public Works |
Bridge 3789 - Loma Alta Drive over Rubio Wash - Pier Nose Repair (RGP 63) |
NOA Signed |
DATE OF ISSUANCE |
APPLICANT |
PROJECT |
ACTION |
Click here for past 401 Final Letters
Please contact Snejana Toneva at (213) 576-7159. Any petitions for the appeal of a Section 401 WQC action must be filed within 30 days of the date of its issuance.
* This list will be updated as documents become available (approximately 3 days from date of issuance).
401 Certification Contacts:
- General Email:
RB4-401Certification@waterboards.ca.gov - Céline Gallon
Chief, TMDLs & Standards Unit
Phone: (213) 576-6784


