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Sewerage Systems, Nipgen, Ohio. NPDES permit OH0094579, in force until Sep 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/d) | May–Oct | 001 |
| Flow rate | daily maximum | report only (gal/d) | May–Oct | 001 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | Aug | 001 |
| Solids, total suspended | weekly maximum | ≤ 18 mg/L | Aug | 001 |
| Solids, total suspended | monthly average | ≤ .682 kg/d | Aug | 001 |
| Solids, total suspended | weekly maximum | ≤ 1.03 kg/d | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 2.3 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .085 kg/d | Aug | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .13 kg/d | Aug | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Aug | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Aug | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Aug | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Aug | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Aug | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Aug | 001 |
| Turbidity [severity] | monthly average | report only (severity) | May–Oct | 001 |
| Turbidity [severity] | daily maximum | report only (severity) | May–Oct | 001 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | Aug | 001 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | Aug | 001 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | Aug | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Aug | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 15 mg/L | Aug | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .57 kg/d | Aug | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ .85 kg/d | Aug | 001 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
Cited limits by parameter: Ohio'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/OH0094579 · MCP: https://passage-data.com/mcp