Clean Water Act discharge permit · NPDES CA0005789
MARTINEZ REFINING COMPANY LLC, Martinez, CA: NPDES CA0005789 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 142Pollutants under a numeric limit
- 20Pollutants with an effluent exceedance
MARTINEZ REFINING COMPANY LLC, held by Shell Oil Products US and Equilon Enterprises LLC, holds NPDES permit CA0005789, which discharges to Carquinez Strait, Peyton Slough, Peyton Creek. EPA’s file records it issued October 12, 2017 and expiring November 30, 2022. 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 | MARTINEZ REFINING COMPANY LLC |
|---|---|
| Permittee as filed | Shell Oil Products US and Equilon Enterprises LLC |
| NPDES ID | CA0005789 |
| 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 |
| Program | Industrial stormwater |
| Issued | October 12, 2017 |
| Expiration date | November 30, 2022 |
| Address | Martinez, CA 94553 |
| Receiving water | Carquinez Strait, Peyton Slough, Peyton Creek |
| Subwatershed | Walnut Creek-Frontal Suisin Bay Estuaries (HUC 180500010204) |
| SIC | 2911 – Petroleum Refining |
| Other EPA IDs (FRS) | RCRA handler CAD000626069; ICIS-AIR source CABAA00006013A1820 |
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
- 172Pollutants on file
- 142Under a numeric limit
- 172With a violation of any kind
- 20With 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 172 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 18 | 54 | 16 | April 30, 2023 | |
| Enterococci | 1 | 18 | 15 | April 30, 2026 | 1,360% over the limit |
| Solids, total suspended | 35 | 74 | 8 | January 31, 2024 | 341% over the limit |
| Selenium, total recoverable | 5 | 23 | 8 | January 31, 2017 | 180% over the limit |
| Mercury, total recoverable | 4 | 20 | 8 | February 28, 2017 | 592% over the limit |
| Nickel, total recoverable | 5 | 16 | 7 | May 31, 2023 | 108% over the limit |
| % Survival Flow Through 96Hr Acute Oncorhynchus mykiss | 2 | 11 | 5 | March 31, 2023 | 98% over the limit |
| Chronic Mthd Larval Development Endpt, %Effect, Median TSTcHo R/nR Pass/Fail, Static48hr H rufescens | 0 | 4 | 4 | January 31, 2024 | 810% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 16 | 2 | December 31, 2019 | 742% over the limit |
| Solids, settleable | 0 | 6 | 2 | March 31, 2007 | 150% over the limit |
| Benzo[b]fluoranthene | 2 | 5 | 2 | May 31, 2005 | 512% over the limit |
| Benzo[a]pyrene | 2 | 5 | 2 | May 31, 2005 | 512% over the limit |
| Chrysene | 2 | 5 | 2 | May 31, 2005 | 512% over the limit |
| Dibenz[a,h]anthracene | 2 | 5 | 2 | May 31, 2005 | 104% over the limit |
| Polychlorinated biphenyls [PCBs] | 0 | 5 | 2 | June 30, 2010 | 58,724% over the limit |
| Acenaphthylene | 0 | 3 | 2 | May 31, 2005 | 308% over the limit |
| TU Static 48Hr Chronic Haliotis rufescens | 0 | 2 | 2 | June 30, 2024 | 174% over the limit |
| Carbon, tot organic [TOC] | 8 | 17 | 1 | May 31, 2013 | 947% over the limit |
| Coliform, total general | 2 | 15 | 1 | January 31, 2010 | 140% over the limit |
| Indeno[1,2,3-cd]pyrene | 2 | 4 | 1 | May 31, 2005 | 2% over the limit |
| Oil and grease | 27 | 79 | 0 | ||
| Chromium, hexavalent [as Cr] | 25 | 60 | 0 | ||
| BOD, 5-day, 20 deg. C | 27 | 56 | 0 | ||
| Chromium, total recoverable | 25 | 54 | 0 | ||
| Chemical Oxygen Demand [COD] | 27 | 49 | 0 | ||
| Phenols | 4 | 37 | 0 | ||
| Sulfide, total [as S] | 5 | 29 | 0 | ||
| Specific conductance | 8 | 25 | 0 | ||
| Phenolic compounds, total | 21 | 19 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 17 | 0 | ||
| Copper, total recoverable | 5 | 13 | 0 | ||
| Cyanide, total [as CN] | 5 | 9 | 0 | ||
| TCDD equivalents | 5 | 8 | 0 | ||
| Silver total recoverable | 2 | 8 | 0 | ||
| Zinc, total recoverable | 2 | 7 | 0 | ||
| Flow, total | 2 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs], sum of congeners | 1 | 6 | 0 | ||
| TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 4 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 2 | 3 | 0 | ||
| 1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin | 2 | 3 | 0 | ||
| 1,2,3,7,8-Pentachlorodibenzo-p-dioxin | 2 | 3 | 0 | ||
| 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin | 2 | 3 | 0 | ||
| 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin | 2 | 3 | 0 | ||
| 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin | 2 | 3 | 0 | ||
| 1,2,3,7,8-Pentachlorodibenzofuran | 2 | 3 | 0 | ||
| 2,3,4,7,8-Pentachlorodibenzofuran | 2 | 3 | 0 | ||
| 1,2,3,4,7,8-Hexachlorodibenzofuran | 2 | 3 | 0 | ||
| 1,2,3,6,7,8-Hexachlorodibenzofuran | 2 | 3 | 0 | ||
| 1,2,3,7,8,9-Hexachlorodibenzofuran | 2 | 3 | 0 | ||
| 2,3,4,6,7,8-Hexachlorodibenzofuran | 2 | 3 | 0 | ||
| 1,2,3,4,6,7,8-Heptachlorodibenzofuran | 2 | 3 | 0 | ||
| 1,2,3,4,7,8,9-Heptachlorodibenzofuran | 2 | 3 | 0 | ||
| 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin | 2 | 3 | 0 | ||
| Carbon tetrachloride | 2 | 3 | 0 | ||
| 1,2-Dichloroethane | 2 | 3 | 0 | ||
| Benzene | 2 | 3 | 0 | ||
| Acenaphthene | 2 | 3 | 0 | ||
| Acrolein | 2 | 3 | 0 | ||
| Acrylonitrile | 2 | 3 | 0 | ||
| Anthracene | 2 | 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 CA0005789.
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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.