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 |
|---|---|---|---|
| 02/07/2025 | City of Santa Clarita | Via Princesa Park | WQC Signed |
| 01/23/2025 | Los Angeles County Flood Control District |
Eaton Reservoir Emergency Tree Removal (RGP 63) | Signed NOA |
| 01/21/2025 | Southern California Gas Company | Lines 407 and 3003 Emergency Repairs 2024 North Sullivan Canyon (RGP 63) | Signed NOA |
| 01/21/2025 | Southern California Gas Company | Lines 407 and 3003 Emergency Repairs 2024 South Sullivan Canyon (RGP 63) | Signed NOA |
| 01/14/2025 | Ventura County Public Works Agency – Watershed Protection District | Lower Santa Paula Creek Emergency Storm Season Project (RGP 63) | Signed NOA |
| 01/09/2025 | Santa Clarita Valley Water Agency | Investigation of the Existing Honby Pipeline |
WQC Active Under General Order |
| 01/09/2025 | AMCAL Multi-Housing Inc. | SR-34 Box Culvert Extension | WQC Active Under General Order |
| 01/08/2025 | U.S. Army Corps of Engineers | Redondo Beach - King Harbor Breakwater Repairs | Signed Amendment |
| 01/07/2025 | Los Angeles County Public Works |
Agua Amarga Canyon, Locklenna Emergency Break Project (RGP 63) | Signed NOA |
| 12/11/2024 | Los Angeles County Flood Control District |
Santa Anita Debris Dam Seismic Strengthening Project |
Signed WQC |
| 12/11/2024 | Southern California Edison | Southern California Edison Company’s Desalination Enhancement Phase 1 | Signed WQC |
| 12/09/2024 | US Army Corps of Engineers | Ventura Harbor Federal Maintenance Dredging Six Year Program | Signed WQC |
DATE OF ISSUANCE |
APPLICANT |
PROJECT |
ACTION |
Click here for past 401 Final Letters
Please contact Valerie Carrillo at (213) 576-6759. 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
