Clean Water Act discharge permit · NPDES VA0089699
GENERAL DYNAMICS NASSCO-NORFOLK - HARPER FACILITY, Portsmouth, VA: NPDES VA0089699 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GENERAL DYNAMICS NASSCO-NORFOLK - HARPER FACILITY, held by Metro Machine Corp dba General Dynamics NASSCO-Nor, holds NPDES permit VA0089699, which discharges to Elizabeth River. EPA’s file records it issued January 31, 2018 and expiring January 31, 2023. 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.
What the register holds for GENERAL DYNAMICS NASSCO-NORFOLK - HARPER FACILITY: its NPDES ID, its permit type and status, its dates, its address in Portsmouth, Virginia, its receiving water, and 10 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES VA0089699.
Identity
| Facility as filed | GENERAL DYNAMICS NASSCO-NORFOLK - HARPER FACILITY |
|---|---|
| Permittee as filed | Metro Machine Corp dba General Dynamics NASSCO-Nor |
| NPDES ID | VA0089699 |
| 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 31, 2018 |
| Expiration date | January 31, 2023 |
| Issuing agency | VA DEQ |
| Address | Portsmouth, VA 23707 |
| Receiving water | Elizabeth River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Elizabeth River (HUC 020802080206) |
| NAICS | 336611 – Ship Building and Repairing |
| SIC | 3731 – Ship Building And Repairing |
| Other EPA IDs (FRS) | RCRA handler VAD981744030; ICIS-AIR source VA0000005174000080 |
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
- 10Pollutants on file
- 10Under a numeric limit
- 0With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Petrol hydrocarbons, total recoverable | 1 | 0 | 0 | ||
| Precipitation volume | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES VA0089699.
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 VA0089699.
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 VA0089699 there.
Nearby on the register
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- Every permit record in Portsmouth, A to Z
- Discharge permits in Virginia
- Every permit record in Virginia, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.