Clean Water Act Section 401 – Certification and Wetlands Program

Individual Orders for Single Projects

The following certification orders have been issued by the State Water Board.

Current Year

2025

Applicant	Date Issued	Subject
County of Orange	8/6/2025	OC Loop Segments O, P, and Q Coyote Creek Bikeway Project
Southern California Gas Company	7/16/2025	TIMP Line 235 and Line 3000 El Dorado-Lugo-Mohave Alternating Current Pipeline Mitigation Project Main Order Body Attachment A – Project Maps Attachment B – Receiving Waters, Impacts and Mitigation Information Attachment C – CEQA Findings of Facts Attachment D – Report and Notification Requirements Attachment E – Signatory Requirements Attachment F – Deviation Procedures
California Department of Transportation (District 12) and Orange County Transportation Authority	7/02/2025	State Route 55 (Interstate 5 to State Route 91) Improvement Project (12-0K7201)
DesertXpress Enterprises, LLC DesertXpress Enterprises, LLC dba Brightline West	6/19/2025	Brightline West Cajon Pass Project
California Department of Fish and Wildlife	5/30/2025	2024 Fisheries Restoration Grant Program
Southern California Gas Company	5/23/2025	Pipeline Safety Enhancement Plan (PSEP) L4000 Phase 2A Hydrostatic Test Project Waste Discharge Requirements Attachment A – Project Map Attachment B – Receiving Waters Attachment C – Report And Notification Requirements Attachment D – Signatory Requirements Attachment E – Deviation Procedures

Prior Years

2024

Applicant	Date Issued	Subject
California Department of Transportation (District 4)	10/29/2024	Amended Napa County State Route 121 Repair and Restoration Project EA 04-0Q790
California Department of Transportation (District 12) and Orange County Transportation Authority	10/17/2024	State Route 57 Northbound Improvement Project (12-0M9700)
California Department of Transportation (District 8)	09/05/2024	EA 1J450 RIV 243 Rehabilitate Pavement and Drainage Systems Project
California Department of Transportation (District 8)	07/25/2024	1J310 SBD-18 Drainage/Culverts and Intelligent Transportation Systems
California Department of Fish and Wildlife	06/05/2024	2023 Fisheries Restoration Grant Program
California Department of Transportation, District 8	05/07/2024	1K690 RIV 74 Lake Elsinore Median Buffer & Widen Shoulders
Atlas Offshore Wind LLC	04/23/2024	Atlas Wind – Geotechnical and Benthic Sampling Project
California Department of Transportation, District 10	03/28/2024	State Route 4 Pavement Anchor Project (EA 10-0J720)
Los Angeles Department of Water and Power	01/29/2024	Barren Ridge-Haskell Line 1 Transmission Line Project (Amendment 1) Order (Amendment 1) Attachment A – Project Map Attachment B – Receiving_Waters (Revised) Attachment C – Ceqa Findings Of Facts Attachment D – Reports And Notifications Attachment E – Signatory Requirements Attachment F – Compliance With 40 Cfrsection 121.7

2023

Applicant	Date Issued	Subject
Federal Highways Administration	08/30/2023	Mojave National Preserve Road Repairs Project
Trout Unlimited	07/25/2023	Kern Plateau Meadows Restoration Project
Los Angeles Department of Water and Power	6/23/2023	Barren Ridge-Haskell Line 1 Transmission Line Project Cover Letter and Order Attachment A – CEQA Findings of Fact Attachment B – Project Maps Attachment C – Receiving Waters, Impacts, and Mitigation Information Attachment D – Reporting and Notification Requirements Attachment E – Signatory Requirements Attachment F – Project Deviation Requirements
California Department of Transportation, District 4	06/15/2023	Marin State Route 1 Capital Preventive Maintenance Project (EA 04-1J960)
California Department of Fish and Wildlife	06/12/2023	2022 Fisheries Restoration Grant Program
Vero Fiber Networks	02/28/2023	Digital 299 Broadband Project (Project)

2022

Applicant	Date Issued	Subject
Pulte Homes	12/2/2022	Murrieta Hills Project Cover Letter and Order Attachment A – CEQA Findings of Fact Attachment B – Project Maps Attachment C – Receiving Waters, Impacts, and Mitigation Information Attachment D – Reporting and Notification Requirements Attachment E – Signatory Requirements Attachment F – Project Deviation Requirements
Federal Highway Administration	07/29/2022	Cima Road (Project)
California Department of Transportation – District 12	07/26/2022	State Route 91 Improvement Project between State Route 57 and State Route 55 (OCTA M2 "Project I"), Segment 1 (Project)
California Department of Transportation – District 12	06/30/2022	Median Regrading on I-40 from Post Mile R25 to Post Mile R50 (Project)
California Department of Fish and Wildlife	05/20/2022	2021 Fisheries Habitat Restoration Projects

2021

Applicant	Date Issued	Subject
Pacific Gas and Electric Company	10/13/2021	Los Banos North Crossing Rehabilitation Project
California Department of Fish and Wildlife	04/16/2021	2020 Fisheries Habitat Restoration Projects

2020

Applicant	Date Issued	Subject
California Department of Fish and Wildlife	06/12/20	2019 Fisheries Habitat Restoration Projects

2019

Applicant	Date Issued	Subject
Hall Brambletree Associates, LP	05/20/19	Walt Ranch Vineyard Phase I Project Project documents available upon request
Canon Partners	05/02/2019	Canon Station Industrial Area Project Project documents available upon request
Orange County Public Works	04/02/2019	County-Wide Long-Term Routine Maintenance Program – Regional General Permit 100 Cover Letter and Order Attachment A – Project Maps - Available upon request Attachment B – Authorized Activities, As-Built Dimensions and Facilities Information - Available upon request Attachment C – CEQA Findings - Available upon request Attachment D1 – Notice of Intent Instructions - Available upon request Attachment D2 – Notice of Intent Form - Available upon request Attachment E – Reporting Requirements - Available upon request Attachment F – Certification Deviation Requirements - Available upon request Attachment G – Signatory Requirements - Available upon request
Metro Goldline Foothill Extension Construction Authority	03/07/2019	Metro Goldline Foothill Extension Project Phase 2B Project documents available upon request

2018

Applicant	Date Issued	Subject
Orange County Public Works	10/25/2018	Ocean Outlets Maintenance Program – Regional General Permit 46 Cover Letter and Order Attachment A - Project Maps Attachment B - Ocean Outlets Maintenance Manual Attachment C - Receiving Waters, Impact and Mitigation Information Attachment D - CEQA Findings of Facts and Notice of Determination Attachment E - Report and Notification Requirements Attachment F - Signatory Requirements Attachment G - Certification Deviation Procedures
California Department of Transportation – District 12	10/25/2018	Interstate 5 Widening Project – Measure M2 Project C Project documents available upon request
Altamont Winds LLC	05/31/2018	Summit Wind Repower Project Project documents available upon request
One Lake Holding LLC and the City of Fairfield	04/20/2018	Canon Station Project Project documents available upon request

(Page last updated 08/18/2025)

Water is a precious resource in California, and maintaining its quality is of utmost importance to safeguard the health of the public and the environment.

Statewide Campaigns

COVID-19 information

Quick Links

Resources

Working with the Board

.