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Clean Water Act discharge permit · NPDES MD0022781

MARLBORO MEADOWS WWTP, Upper Marlboro, MD: NPDES MD0022781 discharge permit, effluent exceedances, inspections, penalties

MARLBORO MEADOWS WWTP, held by MARLBORO MEADOWS/UTILITIE WWTP, holds NPDES permit MD0022781, which discharges to Patuxent River Middle. EPA’s file records it issued May 1, 1994 and expiring April 30, 1999. 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 filedMARLBORO MEADOWS WWTP
Permittee as filedMARLBORO MEADOWS/UTILITIE WWTP
NPDES IDMD0022781
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
IssuedMay 1, 1994
Expiration dateApril 30, 1999
AddressUpper Marlboro, MD 20771
Receiving waterPATUXENT RIVER MIDDLE
Receiving water impaired303(D) Listed
SubwatershedWilson Owens Branch-Patuxent River (HUC 020600060403)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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
Flow, in conduit or thru treatment plant094March 31, 200310% over the limit
BOD, 5-day, 20 deg. C0233September 30, 2002106% over the limit
Nitrogen, Kjeldahl, total [as N]051June 30, 20024% over the limit
Solids, total suspended0200
Nitrogen, ammonia total [as N]0120
pH0100
Phosphorus, total [as P]0100
Nitrogen, total [as N]060
Nitrogen, organic total [as N]060
Nitrite + Nitrate total [as N]060
Phosphorous, in total orthophosphate060
Oxygen, dissolved [DO]050
Chlorine, total residual050
E. coli030
Coliform, fecal general020

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 MD0022781.

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, MD0022781.

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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 MD0022781 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.