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Sewage treatment plant, Payne, Ohio. NPDES permit OH0021326, in force until Mar 31, 2029. Last 12 months: over a limit 31 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | E. coli, MTEC-MF, monthly geometric mean | 896 | ≤ 126 MPN/100mL | 611% |
| October 2025 | E. coli, MTEC-MF, weekly geometric mean | 1940 | ≤ 284 MPN/100mL | 583% |
| December 2025 | Mercury, total low level, monthly average | 2.4 | ≤ 1.3 ng/L | 85% |
| January 2026 | Solids, total suspended, monthly average | 54 | ≤ 30 mg/L | 80% |
| January 2026 | Solids, total suspended, weekly maximum | 61 | ≤ 45 mg/L | 36% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 38 | ≤ 25 mg/L | 52% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 44 | ≤ 40 mg/L | 10% |
| February 2026 | Solids, total suspended, monthly average | 32 | ≤ 30.8 kg/d | 4% |
| February 2026 | Solids, total suspended, monthly average | 62 | ≤ 30 mg/L | 107% |
| February 2026 | Solids, total suspended, weekly maximum | 69 | ≤ 45 mg/L | 53% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 26 | ≤ 25.6 kg/d | 2% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 27 | ≤ 25 mg/L | 8% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 52 | ≤ 40.9 kg/d | 27% |
| March 2026 | Mercury, total low level, monthly average | .0000021 | ≤ .000002 kg/d | 5% |
| March 2026 | Mercury, total low level, monthly average | 3.3 | ≤ 1.3 ng/L | 154% |
| March 2026 | Solids, total suspended, monthly average | 52 | ≤ 30.8 kg/d | 69% |
| March 2026 | Solids, total suspended, monthly average | 64 | ≤ 30 mg/L | 113% |
| March 2026 | Solids, total suspended, weekly maximum | 76 | ≤ 45 mg/L | 69% |
| March 2026 | Solids, total suspended, weekly maximum | 83 | ≤ 46.1 kg/d | 80% |
| March 2026 | pH, daily maximum | 10 | ≤ 9 SU | — |
| April 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 47 | ≤ 40 mg/L | 18% |
| April 2026 | Solids, total suspended, monthly average | 48 | ≤ 30 mg/L | 60% |
| April 2026 | Solids, total suspended, weekly maximum | 71 | ≤ 45 mg/L | 58% |
| June 2026 | Mercury, total low level, monthly average | .0000026 | ≤ .000002 kg/d | 30% |
| June 2026 | Mercury, total low level, monthly average | 1.6 | ≤ 1.3 ng/L | 23% |
| July 2026 | E. coli, MTEC-MF, monthly geometric mean | 161 | ≤ 126 MPN/100mL | 28% |
| July 2026 | E. coli, MTEC-MF, weekly geometric mean | 1380 | ≤ 284 MPN/100mL | 386% |
| August 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 42.8 | ≤ 40.9 kg/d | 5% |
| August 2026 | E. coli, MTEC-MF, monthly geometric mean | 3370 | ≤ 126 MPN/100mL | 2575% |
| August 2026 | E. coli, MTEC-MF, weekly geometric mean | 17300 | ≤ 284 MPN/100mL | 5992% |
| August 2026 | Mercury, total low level, monthly average | 2.3 | ≤ 1.3 ng/L | 77% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30.8 kg/d | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 46.1 kg/d | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | 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] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Lead, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | May–Oct | 001 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | May–Oct | 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 |
| Mercury, total low level | monthly average | ≤ 1.3 ng/L | Mar, Jun, Aug, Dec | 001 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | Mar, Jun, Aug, Dec | 001 |
| Mercury, total low level | monthly average | ≤ .000002 kg/d | Mar, Jun, Aug, Dec | 001 |
| Mercury, total low level | daily maximum | ≤ .00174 kg/d | Mar, Jun, Aug, Dec | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25.6 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 40.9 kg/d | all year | 001 |
| Overflow volume [SS0 volume, CSO volume] | monthly average | report only (Mgal) | all year | 003 |
| Overflow volume [SS0 volume, CSO volume] | daily maximum | report only (Mgal) | all year | 003 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| pH | daily minimum | report only (SU) | all year | 601 |
| pH | daily maximum | report only (SU) | all year | 601 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 601 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 601 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 601 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | 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 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 801 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 801 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 801 |
| pH | daily minimum | report only (SU) | all year | 801 |
| pH | daily maximum | report only (SU) | all year | 801 |
| 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 |
| 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 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Aug | 801 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Aug | 801 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 901 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 901 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 901 |
| pH | daily minimum | report only (SU) | all year | 901 |
| pH | daily maximum | report only (SU) | all year | 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 |
| 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 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Aug | 901 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Aug | 901 |
Cited limits by parameter: Ohio's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/OH0021326 · MCP: https://passage-data.com/mcp