Clean Water Act discharge permit · NPDES MS0001481
CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, Pascagoula, MS: NPDES MS0001481 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, held by CHEVRON PRODUCTS COMPANY, holds NPDES permit MS0001481, which discharges to Mississippi Sound. EPA’s file records it issued April 26, 2012 and expiring March 31, 2017. 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 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY |
|---|---|
| Permittee as filed | CHEVRON PRODUCTS COMPANY |
| NPDES ID | MS0001481 |
| 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 | April 26, 2012 |
| Expiration date | March 31, 2017 |
| Address | Pascagoula, MS 39581 |
| Receiving water | MISSISSIPPI SOUND |
| Subwatershed | Bayou Casotte-Pt Aux Chenes Bay (HUC 031700090301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 16Under a numeric limit
- 14With a violation of any kind
- 4With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Sulfide, total [as S] | 8 | 12 | 4 | April 30, 2013 | 227% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 8 | 4 | July 31, 2021 | 75% over the limit |
| Solids, total suspended | 8 | 6 | 2 | March 31, 2016 | 46% over the limit |
| Chemical Oxygen Demand [COD] | 8 | 5 | 1 | March 31, 2022 | 113% over the limit |
| Oil & Grease | 18 | 16 | 0 | ||
| pH | 14 | 16 | 0 | ||
| Flow, in conduit or thru treatment plant | 14 | 16 | 0 | ||
| Carbon, tot organic [TOC] | 10 | 12 | 0 | ||
| BOD, 5-day, 20 deg. C | 8 | 4 | 0 | ||
| Phenolic compounds, total | 8 | 4 | 0 | ||
| Nickel, total recoverable | 4 | 4 | 0 | ||
| Copper, total recoverable | 4 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 1 | 0 | ||
| Turbidity | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 8 | 0 | 0 | ||
| Chromium, total recoverable | 8 | 0 | 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 MS0001481.
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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MS0001481.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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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 MS0001481 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.