Clean Water Act discharge permit · NPDES MD0059145
PINEY ORCHARD WWTP, Odenton, MD: NPDES MD0059145 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
PINEY ORCHARD WWTP, held by Anne Arundel County Department of Public Works, holds NPDES permit MD0059145, which discharges to Little Patuxent River. EPA’s file records it issued March 1, 2017 and expiring February 28, 2022. 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 | PINEY ORCHARD WWTP |
|---|---|
| Permittee as filed | Anne Arundel County Department of Public Works |
| NPDES ID | MD0059145 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 1, 2017 |
| Expiration date | February 28, 2022 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Odenton, MD 21113 |
| Receiving water | LITTLE PATUXENT RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Towsers Branch-Little Patuxent River (HUC 020600060203) |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MDR000527166 |
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
- 17Pollutants on file
- 14Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 4 | 11 | 8 | August 31, 2010 | 38% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 9 | 5 | March 31, 2009 | 38% over the limit |
| pH | 2 | 5 | 3 | August 31, 2021 | |
| Coliform, fecal general | 0 | 2 | 2 | May 31, 2005 | 27% over the limit |
| E. coli | 1 | 2 | 1 | January 31, 2023 | 49% over the limit |
| Nitrite + Nitrate total [as N] | 1 | 46 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 45 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 45 | 0 | ||
| Phosphorous, in total orthophosphate | 0 | 41 | 0 | ||
| Polychlorinated biphenyls [PCB] pg/L | 0 | 5 | 0 | ||
| Solids, total suspended | 4 | 4 | 0 | ||
| Phosphorus, total [as P] | 4 | 4 | 0 | ||
| Phosphate, ortho [as P] | 1 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Flow, total | 1 | 1 | 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 MD0059145.
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 MD0059145 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 October 14, 2026.