Clean Water Act discharge permit · NPDES CA0000337
EL SEGUNDO REFINERY, El Segundo, CA: NPDES CA0000337 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 112Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
EL SEGUNDO REFINERY, held by Chevron Products Company, holds NPDES permit CA0000337, which discharges to Pacific Ocean. EPA’s file records it issued February 7, 2013 and expiring January 10, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | EL SEGUNDO REFINERY |
|---|---|
| Permittee as filed | Chevron Products Company |
| NPDES ID | CA0000337 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 7, 2013 |
| Expiration date | January 10, 2018 |
| Address | El Segundo, CA 90245 |
| Receiving water | Pacific Ocean |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 123Pollutants on file
- 112Under a numeric limit
- 123With a violation of any kind
- 10With 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 123 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Enterococci | 2 | 22 | 12 | June 30, 2026 | 99,999% over the limit |
| TU Static Renewal 96HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 12 | 6 | June 30, 2026 | 67% over the limit |
| Coliform, fecal general | 2 | 13 | 3 | September 30, 2021 | 99,999% over the limit |
| Solids, total suspended | 8 | 58 | 2 | October 31, 2017 | 69% over the limit |
| Oil and grease | 5 | 40 | 2 | February 29, 2024 | 174% over the limit |
| pH | 2 | 18 | 2 | March 31, 2019 | |
| Coliform, total general | 2 | 12 | 2 | March 31, 2018 | 99,999% over the limit |
| Phenols | 7 | 45 | 1 | December 31, 2016 | 1% over the limit |
| TCDD equivalents | 8 | 7 | 1 | June 30, 2016 | 100% over the limit |
| TU Static 20Min Chronic Strongyl. purpuratus | 1 | 7 | 1 | June 30, 2017 | 90% over the limit |
| Sulfide, total [as S] | 7 | 62 | 0 | ||
| Chromium, hexavalent [as Cr] | 7 | 62 | 0 | ||
| BOD, 5-day, 20 deg. C | 8 | 56 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 56 | 0 | ||
| Chemical Oxygen Demand [COD] | 8 | 56 | 0 | ||
| Chromium, total recoverable | 7 | 44 | 0 | ||
| Phenols, chlorinated | 10 | 32 | 0 | ||
| DDT/DDD/DDE, sum of p,p' & o,p' isomers | 6 | 26 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 6 | 26 | 0 | ||
| Cadmium, total recoverable | 1 | 17 | 0 | ||
| Lead, total recoverable | 1 | 17 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 16 | 0 | ||
| Silver total recoverable | 1 | 16 | 0 | ||
| Polychlorinated biphenyls [PCBs], sum of congeners | 0 | 15 | 0 | ||
| Arsenic, total recoverable | 1 | 14 | 0 | ||
| Nickel, total recoverable | 1 | 14 | 0 | ||
| Copper, total recoverable | 1 | 14 | 0 | ||
| Chlorine, total residual | 1 | 14 | 0 | ||
| Mercury, total recoverable | 1 | 14 | 0 | ||
| Toxic Units Static Renewal 96Hr Acute Atherinops Affinis | 2 | 11 | 0 | ||
| Cyanide, total [as CN] | 1 | 10 | 0 | ||
| PCB-1016 | 1 | 9 | 0 | ||
| PCB-1221 | 1 | 9 | 0 | ||
| PCB-1232 | 1 | 9 | 0 | ||
| PCB-1242 | 1 | 9 | 0 | ||
| PCB-1248 | 1 | 9 | 0 | ||
| PCB-1254 | 1 | 9 | 0 | ||
| PCB-1260 | 1 | 9 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 8 | 0 | ||
| Turbidity | 1 | 8 | 0 | ||
| Solids, settleable | 1 | 8 | 0 | ||
| Selenium, total recoverable | 1 | 8 | 0 | ||
| Zinc, total recoverable | 1 | 8 | 0 | ||
| Benzene | 1 | 8 | 0 | ||
| Tributyltin | 8 | 6 | 0 | ||
| Polynuclear Aromatic Hydrocarbons [PAHs] | 8 | 6 | 0 | ||
| Methyl tert-butyl ether [MTBE] | 1 | 6 | 0 | ||
| TU Static 48Hr Chronic Macrocystis pyrifera | 1 | 6 | 0 | ||
| Toxic Units Static Renewal 7-Day Chronic Atherinops affinis | 1 | 6 | 0 | ||
| Pass/Fail Static 48Hr Chronic Macrocystis pyrifera | 0 | 6 | 0 | ||
| Pass/Fail Static 48Hr Chronic Haliotis rufescens | 0 | 6 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Atherinops affinis | 0 | 6 | 0 | ||
| Pass/Fail Static 20 Minute Fertilization Chronic Dendraster excentricus | 0 | 6 | 0 | ||
| Toluene | 1 | 5 | 0 | ||
| Ethylbenzene | 1 | 5 | 0 | ||
| Endosulfan, total | 20 | 4 | 0 | ||
| Endrin | 20 | 4 | 0 | ||
| Hexachlorocyclohexane, total | 20 | 4 | 0 | ||
| %Effect Static 48Hr Chronic Macrocystis pyrifera | 0 | 3 | 0 | ||
| %Effect Static 48Hr Chronic Haliotis rufescens | 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 CA0000337.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 CA0000337 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.