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Clean Water Act discharge permit · NPDES MDL021652

PATUXENT WATER RECLAMATION FAC, Crofton, MD: NPDES MDL021652 discharge permit, effluent exceedances, inspections, penalties

PATUXENT WATER RECLAMATION FAC holds NPDES permit MDL021652. EPA’s file records it issued January 1, 2021 and expiring December 31, 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 filedPATUXENT WATER RECLAMATION FAC
Permittee as filedPATUXENT WATER RECLAMATION FAC
NPDES IDMDL021652
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeAssociated permit record
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramBiosolids
IssuedJanuary 1, 2021
Expiration dateDecember 31, 2025
AddressCrofton, MD 21114
Receiving water impaired303(D) Listed
SubwatershedTowsers Branch-Little Patuxent River (HUC 020600060203)
Other EPA IDs (FRS)RCRA handler MDR000019323; ICIS-AIR source MD0000002400300924

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Copper, sludge, total, dry weight [as Cu]01204December 31, 199812% over the limit
Arsenic total, dry weight, sludge01251March 31, 2006357% over the limit
Selenium, sludge, total, dry weight [as Se]01240
Molybdenum, sludge, total, dry weight [as Mo]01240
Zinc, sludge, total, dry weight [as Zn]01240
Lead, sludge, total, dry weight [as Pb]01240
Nickel, sludge, total, dry weight [as Ni]01240
Mercury, sludge, total, dry weight [as Hg]01240
Cadmium, sludge, total, dry weight [as Cd]01240
Annual whole sludge application rate0280
Vector attraction reduction alternative used0280
Description of pathogen option used0270
Level of pathogen requirements achieved0250
Pollutant table from 503.13080
Ann. amt sludge disposed by other method030
Annual amt of sludge incinerated010
Annual sludge production, total010
Annual amount of sludge land applied010
Annual amt. sludge disposed surface unit010
Annual amt sludge disposed in landfill010

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 MDL021652.

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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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MDL021652 for PATUXENT WATER RECLAMATION FAC in Crofton, MD, a minor discharger under the Biosolids program, issued January 1, 2021 and administratively continued past its expiration date. The page lists 0 pollutants under a numeric limit and 2 pollutants with an effluent exceedance.