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
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.
|Facility / Discharger||Location||Permit Number||Permit Status||Comment Period End Date|
|Rose Canyon Sustainable Aquaculture Project
Rose Canyon Fisheries, Inc. (RCF)
|Orange County Sanitation District Reclamation Plant No. 1 and Treatment Plant No. 2||Fountain Valley and Huntington Beach||CA0110604||Draft||2021/03/04|
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
301(h) Variance Request
|Edward C. Little Water Recycling Plant
West Basin Municipal Water District
|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)
|Orange County Sanitation District Reclamation Plant No. 1 and Treatment Plant No. 2||Fountain Valley and Huntington Beach||CA0110604||Final||2012/07/20||2017/07/19|