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Industrial or other facility, Upper Marlboro (2792), Maryland. NPDES permit MD0065111, in force until Nov 30, 2027. Last 12 months: no values over a limit, 1 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | report only (SU) | all year | 001 |
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 001 |
| Nitrite + Nitrate total [as N] | quarterly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | quarterly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | quarterly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | quarterly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | quarterly average | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | quarterly average | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 001 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, organic total [as N] | quarterly average | report only (mg/L) | all year | 002 |
| Nitrogen, organic total [as N] | quarterly average | report only (mg/L) | all year | 002 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | quarterly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | quarterly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | quarterly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | quarterly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | quarterly average | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | quarterly average | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 002 |
Cited limits by parameter: Maryland's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MD0065111 · MCP: https://passage-data.com/mcp