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Clean Water Act discharge permit · NPDES MDR003054

HOWARD CO ALPHA RIDGE LANDFILL, Marriottsville, MD: NPDES MDR003054 discharge permit, effluent exceedances, inspections, penalties

HOWARD CO ALPHA RIDGE LANDFILL, held by Howard County DPW, holds NPDES permit MDR003054, which discharges to Little Patuxent River. EPA’s file records it issued September 16, 2015 and expiring December 31, 2018. 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 filedHOWARD CO ALPHA RIDGE LANDFILL
Permittee as filedHoward County DPW
NPDES IDMDR003054
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedSeptember 16, 2015
Expiration dateDecember 31, 2018
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressMarriottsville, MD 21104
Receiving waterLittle Patuxent River
Receiving water impaired303(D) Listed
SubwatershedDorsey Run-Little Patuxent River (HUC 020600060202)
Other EPA IDs (FRS)RCRA handler MD0000192971; ICIS-AIR source MD0000002402700364

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
Solids, total suspended020
Nitrite + Nitrate total [as N]010
Phosphorus, total [as P]010
Iron, total [as Fe]010

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDR003054.

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 MDR003054.

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 MDR003054 there.

Nearby on the register

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

What this page shows

The HOWARD CO ALPHA RIDGE LANDFILL in Marriottsville, Howard County, is the only storm water industrial permit on EPA's NPDES register in Howard County, a count that includes this one. It also sits among 44 NPDES permits in the Dorsey Run-Little Patuxent River subwatershed, this one included, and it records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.