Clean Water Act discharge permit · NPDES MD0003565
U.S. ARMY ABERDEEN PROVING GRO, Harford County, MD: NPDES MD0003565 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
U.S. ARMY ABERDEEN PROVING GRO, held by U.S. ARMY GARRISON A.P.G., holds NPDES permit MD0003565, which discharges to Bush River Area. EPA’s file records it issued January 1, 2017 and expiring December 31, 2021. 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.
Identity
| Facility as filed | U.S. ARMY ABERDEEN PROVING GRO |
|---|---|
| Permittee as filed | U.S. ARMY GARRISON A.P.G. |
| NPDES ID | MD0003565 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | January 1, 2017 |
| Expiration date | December 31, 2021 |
| Issuing agency | Maryland Department of the Environment |
| Address | Harford County, MD 21010 |
| Receiving water | BUSH RIVER AREA |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bush River (HUC 020600030106) |
| SIC | 9711 – National Security |
| Other EPA IDs (FRS) | RCRA handler MDP000010839; ICIS-AIR source MD0000002402500081 |
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
- 9Pollutants on file
- 5Under a numeric limit
- 9With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 154 | 53 | July 31, 2026 | 11,233% over the limit |
| pH | 4 | 139 | 31 | May 31, 2026 | |
| Chlorine, total residual | 5 | 57 | 25 | May 31, 2023 | 4,833% over the limit |
| Oil & Grease | 4 | 69 | 1 | March 31, 2024 | 6% over the limit |
| Petrol hydrocarbons, total recoverable | 0 | 45 | 1 | June 30, 2001 | 527% over the limit |
| Flow, in conduit or thru treatment plant | 10 | 190 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 4 | 0 | ||
| Copper, dissolved [as Cu] | 0 | 4 | 0 | ||
| Copper, total [as Cu] | 0 | 4 | 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 MD0003565.
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
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, MD0003565.
Start the watch
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- One watershed — $2,990/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 MD0003565 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.