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Sewage treatment plant, Shalersville, Ohio. NPDES permit OH0038601, in force until Dec 31, 2027. 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 | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 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 | ≤ 12 mg/L | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 18 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 7.27 kg/d | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 11 kg/d | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 10 mg/L | Mar, Jun, Sep, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 3 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.22 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.82 kg/d | May–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, 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 | ≤ 1 mg/L | all year | 001 |
| Phosphorus, total [as P] | weekly maximum | ≤ 1.5 mg/L | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .606 kg/d | all year | 001 |
| Phosphorus, total [as P] | weekly maximum | ≤ .909 kg/d | all year | 001 |
| Copper, total recoverable | daily maximum | ≤ 41 ug/L | Jun, Dec | 001 |
| Copper, total recoverable | daily maximum | ≤ .0249 kg/d | Jun, 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 | ≤ 1.7 ng/L | Jun, Dec | 001 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | Jun, Dec | 001 |
| Mercury, total low level | monthly average | ≤ .000002 kg/d | Jun, Dec | 001 |
| Mercury, total low level | daily maximum | ≤ .00103 kg/d | Jun, Dec | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 15 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 6.06 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 9.09 kg/d | all year | 001 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
| 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 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 601 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 601 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Sep, Dec | 601 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Sep, Dec | 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) | Mar, Jun, Sep, Dec | 801 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Mar, Jun, Sep, Dec | 801 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| pH | daily minimum | report only (SU) | Mar, Jun, Sep, Dec | 801 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 801 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 801 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Jun, Sep, 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) | Mar, Jun, Sep, Dec | 901 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Mar, Jun, Sep, Dec | 901 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| pH | daily minimum | report only (SU) | Mar, Jun, Sep, Dec | 901 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 901 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Jun, Sep, 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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On EPA ECHO: Facility report · DMR history
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