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Sewage treatment plant, Winchester, Ohio. NPDES permit OH0028142, in force until Aug 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 65 mg/L | all year | 002 |
| Solids, total suspended | weekly maximum | ≤ 90 mg/L | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | Mar, Jun, Aug, Dec | 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, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | 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] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Dec | 002 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Dec | 002 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Dec | 002 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Dec | 002 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Dec | 002 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Dec | 002 |
| Lead, total recoverable | monthly average | report only (ug/L) | Dec | 002 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Dec | 002 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Dec | 002 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Dec | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | Dec | 002 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Dec | 002 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (ug/L) | Dec | 002 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | Dec | 002 |
| Stream flow [severity] | monthly average | report only (severity) | all year | 002 |
| Stream flow [severity] | daily maximum | report only (severity) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Mercury, total low level | monthly average | report only (ng/L) | Dec | 002 |
| Mercury, total low level | daily maximum | report only (ng/L) | Dec | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 40 mg/L | all year | 002 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| Flow rate | monthly average | report only (gal/d) | all year | 501 |
| Flow rate | daily maximum | report only (gal/d) | all year | 501 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | all year | 501 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | all year | 501 |
| Area of disposal-used | monthly average | report only (acr) | all year | 501 |
| Area of disposal-used | daily maximum | report only (acr) | all year | 501 |
| Spray irrigation | monthly average | report only (hr/d) | all year | 501 |
| Spray irrigation | daily maximum | report only (hr/d) | all year | 501 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Dec | 586 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Dec | 586 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 601 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 601 |
| Rainfall | monthly average | report only (in) | all year | 601 |
| Rainfall | daily maximum | report only (in) | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 601 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Mar, Jun, Aug, Dec | 901 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Mar, Jun, Aug, Dec | 901 |
| pH | daily minimum | report only (SU) | Mar, Jun, Aug, Dec | 901 |
| pH | daily maximum | report only (SU) | Mar, Jun, Aug, Dec | 901 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
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/OH0028142 · MCP: https://passage-data.com/mcp