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Clean Water Act discharge permit · NPDES MDR003503

CARLIN PROPERTIES, LLC, Ellicott City, MD: NPDES MDR003503 discharge permit, effluent exceedances, inspections, penalties

CARLIN PROPERTIES, LLC holds NPDES permit MDR003503, which discharges to Patapsco River, L.N. Br.. EPA’s file records it issued January 15, 2020 and expiring December 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for CARLIN PROPERTIES, LLC: its NPDES ID, its permit type and status, its dates, its address in Ellicott City, Maryland, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR003503.

Identity

Facility as filedCARLIN PROPERTIES, LLC
Permittee as filedCARLIN PROPERTIES, LLC
NPDES IDMDR003503
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 15, 2020
Expiration dateDecember 31, 2024
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressEllicott City, MD 21043
Receiving waterPATAPSCO RIVER, L.N. BR.
Receiving water impaired303(D) Listed
SubwatershedBrice Run-Patapsco River (HUC 020600031101)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MDR003503.

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 MDR003503.

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, MDR003503.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 MDR003503 there.

Nearby on the register

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