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: