Clean Water Act discharge permit · NPDES MD0001988
BUILDING MATERIALS CORPORATION OF AMERICA, Baltimore, MD: NPDES MD0001988 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
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 (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BUILDING MATERIALS CORPORATION OF AMERICA |
|---|---|
| Permittee as filed | BUILDING MATERIALS CORPORATION OF AMERICA |
| NPDES ID | MD0001988 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 1, 2017 |
| Expiration date | December 31, 2021 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Baltimore, MD 21224 |
| Receiving water | PATAPSCO R TRIB |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Northwest Harbor-Patapsco River (HUC 020600031203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 3With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 12 | 8 | January 31, 2012 | 67% over the limit |
| Oil & Grease | 4 | 3 | 3 | January 31, 2020 | 45% over the limit |
| Hydrocarbons, petroleum | 0 | 6 | 2 | December 31, 1997 | 760% over the limit |
| Oxygen, dissolved [DO] | 2 | 11 | 0 | ||
| pH | 4 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| Chlorine, total residual | 4 | 2 | 0 | ||
| Temperature Increase Deg. F | 1 | 0 | 0 |
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MD0001988.
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 MD0001988 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.