Clean Water Act discharge permit · NPDES MD0063371
MARYLAND AVIATION ADMINISTRATION-BWI, Glen Burnie, MD: NPDES MD0063371 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MARYLAND AVIATION ADMINISTRATION-BWI, held by MARYLAND AVIATION ADMINSTRATION, holds NPDES permit MD0063371, which discharges to Patapsco River. EPA’s file records it issued March 24, 2020 and expiring April 30, 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 | MARYLAND AVIATION ADMINISTRATION-BWI |
|---|---|
| Permittee as filed | MARYLAND AVIATION ADMINSTRATION |
| NPDES ID | MD0063371 |
| 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 | March 24, 2020 |
| Expiration date | April 30, 2025 |
| Issuing agency | Maryland Department of the Environment |
| Address | Glen Burnie, MD 21240 |
| Receiving water | PATAPSCO RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Deep Run-Patapsco River (HUC 020600031102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 4Under a numeric limit
- 11With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 20 | 71 | 7 | December 31, 2024 | 253% over the limit |
| Hydrocarbons, petroleum | 0 | 6 | 5 | September 30, 2001 | 8,633% over the limit |
| Glycol, total | 48 | 60 | 1 | June 30, 2026 | 70% over the limit |
| pH | 0 | 5 | 1 | June 30, 1996 | |
| Flow, in conduit or thru treatment plant | 36 | 63 | 0 | ||
| Chemical Oxygen Demand [COD] | 12 | 38 | 0 | ||
| Propylene glycol, total | 0 | 32 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 30 | 0 | ||
| Ethylene glycol | 0 | 29 | 0 | ||
| Petrol hydrocarbons, total recoverable | 0 | 3 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 2 | 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 MD0063371.
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 MD0063371 there.
Nearby on the register
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- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.