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Sewage treatment plant, Pinto, Maryland. NPDES permit MD0022748, in force until May 31, 2028. Last 12 months: over a limit once (last February 2026), 4 required values missing, 1 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| February 2026 | Solids, suspended percent removal, minimum | 39.3 % | ≥ 65 % | 73% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Turbidity | monthly average | report only (NTU) | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum monthly average | ≤ 113 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 169 lb/d | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 90 mg/L | all year | 001 |
| Solids, total suspended | maximum monthly average | ≤ 338 lb/d | all year | 001 |
| Solids, total suspended | monthly total | report only (lb/mo) | all year | 001 |
| Solids, total suspended | annual maximum | report only (lb/yr) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | cumulative total | report only (lb/yr) | all year | 001 |
| Nitrogen, total [as N] | monthly total | report only (lb/mo) | all year | 001 |
| Nitrogen, organic total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | cumulative total | report only (lb/yr) | all year | 001 |
| Phosphorus, total [as P] | monthly total | report only (lb/mo) | all year | 001 |
| Phosphate, ortho [as P] | monthly average | report only (mg/L) | all year | 001 |
| Benzidine | quarterly average | report only (mg/L) | all year | 001 |
| Chlordane [tech mix. and metabolites] | quarterly average | report only (mg/L) | all year | 001 |
| Toxaphene | quarterly average | report only (mg/L) | all year | 001 |
| Hexachlorobenzene | quarterly average | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | maximum | ≤ .1 mg/L | all year | 001 |
| E. coli | maximum monthly geometric mean | ≤ 126 MPN/100mL | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 65 % | all year | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 101 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 101 |
Cited limits by parameter: Maryland's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/MD0022748 · MCP: https://passage-data.com/mcp