Clean Water Act discharge permit · NPDES CA0001201
REDONDO BEACH GENERATING STATION, Redondo Beach, CA: NPDES CA0001201 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 141Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
REDONDO BEACH GENERATING STATION, held by AES CORPORATION, holds NPDES permit CA0001201, which discharges to Pacific Ocean. EPA’s file records it issued June 29, 2000 and expiring May 10, 2005. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | REDONDO BEACH GENERATING STATION |
|---|---|
| Permittee as filed | AES CORPORATION |
| NPDES ID | CA0001201 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 29, 2000 |
| Expiration date | May 10, 2005 |
| Address | Redondo Beach, CA 90277 |
| Receiving water | PACIFIC OCEAN |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler CAR000038893 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 174Pollutants on file
- 141Under a numeric limit
- 113With a violation of any kind
- 11With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 174 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 10 | 98 | 66 | March 31, 2024 | |
| Solids, total suspended | 5 | 28 | 15 | December 31, 2023 | 70% over the limit |
| Temperature, water deg. fahrenheit | 6 | 63 | 14 | August 31, 2023 | 15% over the limit |
| DDT/DDD/DDE, sum of p,p' & o,p' isomers | 0 | 99 | 8 | February 28, 2018 | 2,823,430% over the limit |
| Oil and grease | 5 | 25 | 8 | January 31, 2023 | 600% over the limit |
| TU Static 48Hr Chronic Macrocystis pyrifera | 2 | 4 | 4 | June 30, 2004 | 3,196% over the limit |
| Mercury, total recoverable | 5 | 54 | 3 | September 30, 2022 | 614% over the limit |
| Chromium, total recoverable | 0 | 48 | 2 | September 30, 2022 | 99% over the limit |
| Copper, total recoverable | 7 | 29 | 2 | December 31, 2011 | 90% over the limit |
| Zinc, total recoverable | 5 | 27 | 2 | December 31, 2019 | 56% over the limit |
| Pass/Fail Static 48Hr Chronic Macrocystis pyrifera | 0 | 15 | 1 | December 31, 2022 | |
| Chlorine, free available | 3 | 63 | 0 | ||
| Silver total recoverable | 5 | 57 | 0 | ||
| Nickel, total recoverable | 5 | 46 | 0 | ||
| Chlorine, total residual | 3 | 40 | 0 | ||
| Selenium, total recoverable | 5 | 35 | 0 | ||
| Cadmium, total recoverable | 5 | 35 | 0 | ||
| Lead, total recoverable | 5 | 31 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 29 | 0 | ||
| Thallium, total recoverable | 3 | 24 | 0 | ||
| Polychlorinated biphenyls [PCBs], sum of Aroclors | 0 | 23 | 0 | ||
| Flow, in conduit or thru treatment plant | 7 | 18 | 0 | ||
| Beryllium, total recoverable [as Be] | 3 | 18 | 0 | ||
| Pass/Fail Static 48Hr Chronic Crassostrea gigas | 0 | 18 | 0 | ||
| Pass/Fail Static 48Hr Chronic Mytilus edulis | 0 | 18 | 0 | ||
| Pass/Fail Static 48Hr Chronic Haliotis rufescens | 0 | 18 | 0 | ||
| Pass/Fail Static 48Hr Chronic Mytilus Species | 0 | 18 | 0 | ||
| Pass/Fail Static 20 Minute Fertilization Chronic Strongylocentrotus purpuratus | 0 | 18 | 0 | ||
| Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricus | 0 | 18 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Atherinops affinis | 0 | 16 | 0 | ||
| %Effect Static 48Hr Chronic Crassostrea gigas | 0 | 9 | 0 | ||
| %Effect Static 48Hr Chronic Mytilus edulis | 0 | 9 | 0 | ||
| %Effect Static 48Hr Chronic Haliotis rufescens | 0 | 9 | 0 | ||
| %Effect Static 48Hr Chronic Mytilus Species | 0 | 9 | 0 | ||
| %Effect Static 20Min Chronic Strongylocentrotus purpuratus | 0 | 9 | 0 | ||
| %Effect Static 20Min Chronic Dendraster excentricus | 0 | 9 | 0 | ||
| Hexachlorocyclohexane, total | 0 | 8 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Atherinops affinis | 0 | 8 | 0 | ||
| %Effect Static 48Hr Chronic Macrocystis pyrifera | 0 | 6 | 0 | ||
| Arsenic, total recoverable | 5 | 4 | 0 | ||
| Aldrin | 1 | 4 | 0 | ||
| Chlordane [tech mix. and metabolites] | 1 | 4 | 0 | ||
| Dieldrin | 1 | 4 | 0 | ||
| Endrin | 1 | 4 | 0 | ||
| Toxaphene | 1 | 4 | 0 | ||
| Heptachlor | 1 | 4 | 0 | ||
| Heptachlor epoxide | 1 | 4 | 0 | ||
| 1,3-Dichloropropene | 1 | 4 | 0 | ||
| Endosulfan, total | 0 | 4 | 0 | ||
| Phenols, chlorinated | 0 | 4 | 0 | ||
| TCDD equivalents | 0 | 4 | 0 | ||
| Radioactivity | 2 | 3 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 3 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 3 | 0 | ||
| Dichlorobromomethane | 1 | 3 | 0 | ||
| Methylene chloride | 1 | 3 | 0 | ||
| N-Nitrosodimethylamine [NDMA] | 1 | 3 | 0 | ||
| Polynuclear Aromatic Hydrocarbons [PAHs] | 0 | 3 | 0 | ||
| Enterococci | 0 | 3 | 0 | ||
| Coliform, fecal general | 0 | 3 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CA0001201.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CA0001201 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.