Clean Water Act discharge permit · NPDES MDG499996
SCHUSTER CONCRETE-CHERRY HILL PLANT, Baltimore, MD: NPDES MDG499996 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SCHUSTER CONCRETE-CHERRY HILL PLANT, held by SCHUSTER CONCRETE READY MIX LLC, holds NPDES permit MDG499996, which discharges to Patapsco River L N Br. EPA’s file records it issued December 5, 2019 and expiring April 30, 2022. 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.
Identity
| Facility as filed | SCHUSTER CONCRETE-CHERRY HILL PLANT |
|---|---|
| Permittee as filed | SCHUSTER CONCRETE READY MIX LLC |
| NPDES ID | MDG499996 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 5, 2019 |
| Expiration date | April 30, 2022 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENTQ |
| Address | Baltimore, MD 21225 |
| Receiving water | PATAPSCO RIVER L N BR |
| 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
- 4Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 6 | 90 | 0 | ||
| Solids, total suspended | 4 | 50 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| Oil and grease | 1 | 15 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG499996.
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 MDG499996.
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 MDG499996 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.