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Sewerage Systems, major discharger, Trenton, Ohio. NPDES permit OH0072605, in force until Nov 30, 2026. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 90 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 481 kg/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 961 kg/d | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 86 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 172 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 918 kg/d | all year |
| Solids, total suspended | daily maximum | ≤ 1840 kg/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.8 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 26.7 kg/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 40.6 kg/d | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1.4 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 7.5 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 15 kg/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 80.1 kg/d | all year |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jun, Dec |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jun, Dec |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year |
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/OH0072605 · MCP: https://passage-data.com/mcp