Clean Water Act discharge permit · NPDES MDG679660
LOCKHEED MARTIN MIDDLE RIVER, Baltimore, MD: NPDES MDG679660 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LOCKHEED MARTIN MIDDLE RIVER, held by LMC PROPERTIES, INC., holds NPDES permit MDG679660, which discharges to Cowpen Creek Use 1 Water Body. EPA’s file records it issued February 18, 2021 and expiring July 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LOCKHEED MARTIN MIDDLE RIVER |
|---|---|
| Permittee as filed | LMC PROPERTIES, INC. |
| NPDES ID | MDG679660 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 18, 2021 |
| Expiration date | July 31, 2025 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Baltimore, MD 21220 |
| Receiving water | COWPEN CREEK USE 1 WATER BODY |
| Subwatershed | Middle River (HUC 020600030701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 0Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Flow | 0 | 18 | 0 | ||
| pH | 0 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 6 | 0 | ||
| Solids, total suspended | 0 | 6 | 0 | ||
| Oil and grease | 0 | 6 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 0 | 6 | 0 | ||
| Toluene | 0 | 6 | 0 | ||
| Benzene | 0 | 6 | 0 | ||
| Ethylbenzene | 0 | 6 | 0 | ||
| p-Xylene | 0 | 6 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG679660.
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 MDG679660.
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 MDG679660 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.