NPDES MDG499957 · Clean Water Act
PATUXENT MATERIALS INC., Crownsville Road, MD: NPDES MDG499957 discharge permit, effluent exceedances, inspections, penalties
PATUXENT MATERIALS INC., Crownsville Road, Maryland: General permit coverage MDG499957, held by PATUXENT MATERIALS, INC.; Effective; issued February 26, 2018, term to April 30, 2022, by MARYLAND DEPARTMENT OF THE ENVIRONMENT; discharges to SOUTH RIVER.
- pH: 2 limits, 2 violations of any kind.
- Solids, total suspended: 1 limit, 1 violation of any kind.
PATUXENT MATERIALS INC. among its neighbors
35 discharge permits are in the Beards Creek-South River subwatershed (HUC 020600040302); MDG499957 is one. Its county: 177, 7 major; MDG499957 is minor permit.
Other permits in the Beards Creek-South River subwatershed (HUC 020600040302)
- ANNE ARUNDEL COUNTY BOARD OF EDUCATION, Annapolis: MDG679633, minor, term to 2017-02-28
- ANNE ARUNDEL SANITARY SEWER SYSTEM, Annapolis,: MDCS00001, minor, term to 2030-05-07
- ARUNDEL OLYMPIC SWIM CENTER, Annapolis: MDG767267, minor, term to 2024-09-30
- BROAD CREEK WATER TREATMENT PLANT, Annapolis: MDG679743, minor, term to 2025-07-31
- BROADNECK_WRF, Annapolis: MDL021644, minor, term to 2025-12-31
- DURHAM SCHOOL SERVICES CSC 4145 RIVA, Riva: MDR003763, minor, term to 2028-01-31
- FISHING CREEK FARMS HOA, Annapolis: MDG870129, minor, term to 2025-03-31
- GARY KOCH, Annapolis: MDG870349, minor, term to 2025-06-30
- HOLIDAY POINT MARINA, Edgewater: MDG999323, minor, term to 2015-02-28
- MARYLAND DEPARTMENT OF AGRICULTURE, Annapolis: MDG870341, minor, term to 2025-06-30
Identity
| Facility | PATUXENT MATERIALS INC. |
|---|---|
| Permittee | PATUXENT MATERIALS, INC. |
| NPDES ID | MDG499957 |
| Status | Effective |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | February 26, 2018 |
| Expires | April 30, 2022 |
| Agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Crownsville Road, MD 21401 |
| Receiving water | SOUTH RIVER |
| Subwatershed | Beards Creek-South River (HUC 020600040302) |
| SIC | 3295 – Minerals, Ground Or Treated |
NPDES MDG499957: effluent limits and exceedances
PATUXENT MATERIALS INC. (NPDES MDG499957): 2 pollutants on file, 2 limited; 2 with a violation of any kind, 0 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| pH | 2 | 2 | 0 | ||
| Solids, total suspended | 1 | 1 | 0 |
NPDES MDG499957: inspections, violations and enforcement
NPDES MDG499957 (PATUXENT MATERIALS INC.): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES MDG499957
NPDES MDG499957: one email when its EPA record changes — $99/month.
Permits near NPDES MDG499957
NPDES MDG499957: 2 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.