Clean Water Act discharge permit · NPDES MS0003069
HUNTINGTON INGALLS INC, INGALLS SHIPBUILDING DIVISION, Pascagoula, MS: NPDES MS0003069 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
HUNTINGTON INGALLS INC, INGALLS SHIPBUILDING DIVISION, held by HUNTINGTON INGALLS INC, INGALLS SHIPBUILDING DIVISION, PASCAGOULA OPERATIONS, holds NPDES permit MS0003069, which discharges to Directly Into Pascagoula Bay. EPA’s file records it issued January 4, 2021 and expiring December 31, 2025. 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 | HUNTINGTON INGALLS INC, INGALLS SHIPBUILDING DIVISION |
|---|---|
| Permittee as filed | HUNTINGTON INGALLS INC, INGALLS SHIPBUILDING DIVISION, PASCAGOULA OPERATIONS |
| NPDES ID | MS0003069 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 4, 2021 |
| Expiration date | December 31, 2025 |
| Issuing agency | MDEQ |
| Address | Pascagoula, MS 39568 |
| Receiving water | DIRECTLY INTO PASCAGOULA BAY |
| Subwatershed | Pt Aux Chenes Bay-Mississippi Sound (HUC 031700090303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 8Under a numeric limit
- 16With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Copper, total recoverable | 10 | 70 | 34 | December 31, 2015 | 1,460% over the limit |
| Zinc, total recoverable | 8 | 62 | 26 | December 31, 2015 | 772% over the limit |
| pH | 12 | 55 | 23 | September 30, 2013 | |
| Zinc, total [as Zn] | 0 | 12 | 12 | March 31, 2011 | 778% over the limit |
| Copper, total [as Cu] | 0 | 6 | 6 | March 31, 2011 | 4,483% over the limit |
| Temperature, water deg. fahrenheit | 2 | 1 | 1 | September 30, 2021 | 3% over the limit |
| Chlorine, total residual | 2 | 1 | 1 | September 30, 2013 | 33% over the limit |
| Flow, in conduit or thru treatment plant | 12 | 32 | 0 | ||
| Solids, total suspended | 0 | 24 | 0 | ||
| Oil & grease [freon extr.-IR meth] tot, RC | 0 | 24 | 0 | ||
| Nickel, total recoverable | 0 | 24 | 0 | ||
| Cadmium, total recoverable | 0 | 24 | 0 | ||
| Chromium, total recoverable | 0 | 24 | 0 | ||
| Phenols | 0 | 24 | 0 | ||
| Oil & Grease | 10 | 8 | 0 | ||
| Chemical Oxygen Demand [COD] | 10 | 8 | 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 MS0003069.
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.
Watch this permit
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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 MS0003069 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.