NPDES Permits in California (excluding Tribal Permits)

EPA’s Pacific Southwest (Region 9) issues NPDES permits for any discharges into federal ocean waters. All other permits are issued by the California Environmental Protection Agency (CalEPA). See the table below for final and draft permits issued by EPA.

For State-Issued Permits: CalEPA State Water Resources Control Board NPDES Permit Program
See Also:California Tribal Lands NPDES Permits

Draft and Final Permits

The table below contains all final (i.e. active) and draft (i.e. proposed) NPDES permits issued by EPA’s Pacific Southwest (Region 9) within California. It includes permits for individual facilities, general permits, and stormwater permits. Click on the facility/permit name to view the permit and supporting documents.

Draft Permits
Facility / Discharger	Location	Permit Number	Permit Status	Comment Period End Date
Rose Canyon Sustainable Aquaculture Project Rose Canyon Fisheries, Inc. (RCF)	San Diego	N/A	Draft	2016/01/15

Final Permits
Facility / Discharger	Location	Permit Number	Permit Status	Effective Date	Expiration Date
California Offshore Oil and Gas General Permit	Offshore	CAG280000	Final	2014/03/01	2019/02/28
E.W. Blom Point Loma Metropolitan WWTP and Ocean Outfall City of San Diego	San Diego	CA0107409	Final 301(h) Variance Request	2017/10/01	2022/09/30
Edward C. Little Water Recycling Plant West Basin Municipal Water District	El Segundo	CA0063401	Final	2018/09/01	2023/08/31
Hyperion Treatment Plant City of Los Angeles	Playa del Rey	CA0109991	Final	2017/04/01	2022/03/31
Oceanside Water Pollution Control Plant and Collection System	City and County of San Francisco	CA0037681	Final	2020/02/07 (uncontested conditions) 2021/02/01 (contested conditions)	2024/10/31
Orange County Sanitation District Reclamation Plant No. 1 and Treatment Plant No. 2	Fountain Valley and Huntington Beach	CA0110604	Final	2021/08/01	2026/07/31

NPDES Permits in California (excluding Tribal Permits)

Draft and Final Permits

Draft Permits

Final Permits