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Clean Water Act discharge permit · NPDES MD0059145

PINEY ORCHARD WWTP, Odenton, MD: NPDES MD0059145 discharge permit, effluent exceedances, inspections, penalties

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 filedPINEY ORCHARD WWTP
Permittee as filedAnne Arundel County Department of Public Works
NPDES IDMD0059145
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 1, 2017
Expiration dateFebruary 28, 2022
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressOdenton, MD 21113
Receiving waterLITTLE PATUXENT RIVER
Receiving water impaired303(D) Listed
SubwatershedTowsers Branch-Little Patuxent River (HUC 020600060203)
SIC4952 – 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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, total [as N]4118August 31, 201038% over the limit
BOD, 5-day, 20 deg. C495March 31, 200938% over the limit
pH253August 31, 2021
Coliform, fecal general022May 31, 200527% over the limit
E. coli121January 31, 202349% over the limit
Nitrite + Nitrate total [as N]1460
Nitrogen, organic total [as N]1450
Nitrogen, ammonia total [as N]1450
Phosphorous, in total orthophosphate0410
Polychlorinated biphenyls [PCB] pg/L050
Solids, total suspended440
Phosphorus, total [as P]440
Phosphate, ortho [as P]130
Flow, in conduit or thru treatment plant220
Oxygen, dissolved [DO]120
Chlorine, total residual110
Flow, total110

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

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.

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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

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit MD0059145 for the PINEY ORCHARD WWTP in Odenton, MD, held by Anne Arundel County Department of Public Works and discharging to the Little Patuxent River. The permit is listed as administratively continued, with a minor discharger class of 14, 5 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.