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Clean Water Act discharge permit · NPDES MDR002545

GAF - SOUTH PONCA, Baltimore, MD: NPDES MDR002545 discharge permit, effluent exceedances, inspections, penalties

GAF - SOUTH PONCA, held by BUILDING MATERIALS, CORP., holds NPDES permit MDR002545. EPA’s file records it issued March 2, 2020 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.

What the register holds for GAF - SOUTH PONCA: its NPDES ID, its permit type and status, its dates, its address in Baltimore, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR002545.

Identity

Facility as filedGAF - SOUTH PONCA
Permittee as filedBUILDING MATERIALS, CORP.
NPDES IDMDR002545
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 2, 2020
Expiration dateDecember 31, 2025
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressBaltimore, MD 21224
Receiving water impaired303(D) Listed
SubwatershedNorthwest Harbor-Patapsco River (HUC 020600031203)

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 MDR002545.

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 MDR002545.

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 MDR002545 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 the Clean Water Act discharge permit NPDES MDR002545 for GAF - SOUTH PONCA in Baltimore, MD, held by BUILDING MATERIALS, CORP., with a status of Effective and a minor discharger class. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit's dates are issued March 2, 2020 and expiring December 31, 2025.