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 ProgramExit
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.
If the “+” (plus) icon is visible in the table, click for more information.| 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 |
If the “+” (plus) icon is visible in the table, click for more information.
| 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 | 2022/09/03 |
| 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 |
| Reclamation Plant No. 1 and Treatment Plant No. 2, Collection System, and OutfallsExit(181 pp, 3.6 MB, About PDF) Orange County Sanitation District |
Huntington Beach Fountain Valley |
CA0110604 | Final | 2012/07/20 | 2017/07/19 |