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Clean Water Act discharge permit · NPDES MDR003938

LEONARDTOWN WASTEWATER TREATMENT PLANT, Leonardtown, MD: NPDES MDR003938 discharge permit, effluent exceedances, inspections, penalties

LEONARDTOWN WASTEWATER TREATMENT PLANT, held by Town of Leonardtown, holds NPDES permit MDR003938. EPA’s file records it issued July 23, 2025 and expiring January 31, 2028. 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.

What the register holds for LEONARDTOWN WASTEWATER TREATMENT PLANT: its NPDES ID, its permit type and status, its dates, its address in Leonardtown, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR003938.

Identity

Facility as filedLEONARDTOWN WASTEWATER TREATMENT PLANT
Permittee as filedTown of Leonardtown
NPDES IDMDR003938
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 23, 2025
Expiration dateJanuary 31, 2028
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressLeonardtown, MD 20650
SubwatershedMcIntosh Run (HUC 020700110702)

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 MDR003938.

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 MDR003938.

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 MDR003938 there.

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 discharge permit MDR003938, held by Town of Leonardtown for the LEONARDTOWN WASTEWATER TREATMENT PLANT in Leonardtown, MD, with status Effective and a Minor discharger class. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it shows the permit issued July 23, 2025 and expiring January 31, 2028.