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Clean Water Act discharge permit · NPDES MD0001988

BUILDING MATERIALS CORPORATION OF AMERICA, Baltimore, MD: NPDES MD0001988 discharge permit, effluent exceedances, inspections, penalties

BUILDING MATERIALS CORPORATION OF AMERICA holds NPDES permit MD0001988, which discharges to Patapsco R Trib. EPA’s file records it issued January 1, 2017 and expiring December 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedBUILDING MATERIALS CORPORATION OF AMERICA
Permittee as filedBUILDING MATERIALS CORPORATION OF AMERICA
NPDES IDMD0001988
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 1, 2017
Expiration dateDecember 31, 2021
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressBaltimore, MD 21224
Receiving waterPATAPSCO R TRIB
Receiving water impaired303(D) Listed
SubwatershedNorthwest Harbor-Patapsco River (HUC 020600031203)
SIC2952 – Asphalt Felts And Coatings
Other EPA IDs (FRS)RCRA handler MDD082608365; ICIS-AIR source MD0000002451000071

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 suspended4128January 31, 201267% over the limit
Oil & Grease433January 31, 202045% over the limit
Hydrocarbons, petroleum062December 31, 1997760% over the limit
Oxygen, dissolved [DO]2110
pH480
Flow, in conduit or thru treatment plant440
Chlorine, total residual420
Temperature Increase Deg. F100

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 MD0001988.

Inspections

DateWhat EPA recordedAgency
October 20, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MD0001988.

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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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 MD0001988 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MD0001988, held by BUILDING MATERIALS CORPORATION OF AMERICA in Baltimore, MD, for discharge to the Patapsco R Trib, with a status of administratively continued. The listed figures are 7 pollutants under a numeric limit, 3 pollutants with an effluent exceedance, and a discharger class of Minor.