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Sewerage Systems, Sunbury, Ohio. NPDES permit OH0151697, in force until Jan 31, 2030. Last 12 months: no values over a limit, 5 of 73 reports late. 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 | ≤ 18.2 kg/d | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 27.3 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 | ≤ 1 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.5 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 4.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.51 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.54 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 2.27 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 6.81 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 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 |
| Nitrogen, inorganic total | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, inorganic total | daily maximum | ≤ 15.1 kg/d | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .4 mg/L | May–Oct | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .61 kg/d | May–Oct | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1.51 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 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 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Chromium, hexavalent dissolved [as Cr] | 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 | report only (ng/L) | Mar, Jun, Aug, Dec | 001 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 001 |
| Cyanide, free available | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Cyanide, free available | daily maximum | report only (ug/L) | 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 | ≤ 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 | ≤ 15.1 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 22.7 kg/d | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 002 |
| Nitrogen, inorganic total | monthly average | ≤ 10 mg/L | all year | 002 |
| Fluoride, total [as F] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Arsenic, total [as As] | daily maximum | ≤ 100 ug/L | Sep | 002 |
| Beryllium, total [as Be] | daily maximum | ≤ 100 ug/L | Sep | 002 |
| Boron, total [as B] | daily maximum | ≤ 750 ug/L | Sep | 002 |
| Cobalt, total [as Co] | daily maximum | ≤ 50 ug/L | Sep | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 5000 ug/L | Sep | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 200 ug/L | Sep | 002 |
| Molybdenum, total [as Mo] | daily maximum | ≤ 10 ug/L | Sep | 002 |
| Nickel, total recoverable | daily maximum | ≤ 200 ug/L | Sep | 002 |
| Vanadium, total [as V] | daily maximum | ≤ 100 ug/L | Sep | 002 |
| Zinc, total recoverable | daily maximum | ≤ 2000 ug/L | Sep | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 5000 ug/L | Sep | 002 |
| Cadmium, total recoverable | daily maximum | ≤ 10 ug/L | Sep | 002 |
| Lead, total recoverable | daily maximum | ≤ 1500 ug/L | Sep | 002 |
| Chromium, total recoverable | daily maximum | ≤ 100 ug/L | Sep | 002 |
| Copper, total recoverable | daily maximum | ≤ 200 ug/L | Sep | 002 |
| Lithium, total [as Li] | daily maximum | ≤ 2500 ug/L | Sep | 002 |
| Selenium, total [as Se] | daily maximum | ≤ 20 ug/L | Sep | 002 |
| E. coli, MTEC-MF | daily maximum | ≤ 126 MPN/100mL | all year | 002 |
| Application rate area sprayed | monthly average | report only (in/d) | all year | 002 |
| Application rate area sprayed | daily maximum | report only (in/d) | 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 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 40 mg/L | all year | 002 |
| Spray irrigation | monthly average | report only (hr/d) | all year | 002 |
| Spray irrigation | daily maximum | report only (hr/d) | all year | 002 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Dec | 586 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Dec | 586 |
| 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 |
| 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) | Jun, Dec | 701 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun, Dec | 701 |
| Turbidity | monthly average | report only (NTU) | Jun, Dec | 701 |
| Turbidity | daily maximum | report only (NTU) | Jun, Dec | 701 |
| Conductivity | monthly average | report only (umho/cm) | Jun, Dec | 701 |
| Conductivity | daily maximum | report only (umho/cm) | Jun, Dec | 701 |
| pH | daily minimum | report only (SU) | Jun, Dec | 701 |
| pH | daily maximum | report only (SU) | Jun, Dec | 701 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 701 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 701 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jun, Dec | 701 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 701 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 701 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 701 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Dec | 701 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Dec | 701 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jun, Dec | 702 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun, Dec | 702 |
| Turbidity | monthly average | report only (NTU) | Jun, Dec | 702 |
| Turbidity | daily maximum | report only (NTU) | Jun, Dec | 702 |
| Conductivity | monthly average | report only (umho/cm) | Jun, Dec | 702 |
| Conductivity | daily maximum | report only (umho/cm) | Jun, Dec | 702 |
| pH | daily minimum | report only (SU) | Jun, Dec | 702 |
| pH | daily maximum | report only (SU) | Jun, Dec | 702 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 702 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 702 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jun, Dec | 702 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 702 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 702 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 702 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Dec | 702 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Dec | 702 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jun, Dec | 703 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun, Dec | 703 |
| Turbidity | monthly average | report only (NTU) | Jun, Dec | 703 |
| Turbidity | daily maximum | report only (NTU) | Jun, Dec | 703 |
| Conductivity | monthly average | report only (umho/cm) | Jun, Dec | 703 |
| Conductivity | daily maximum | report only (umho/cm) | Jun, Dec | 703 |
| pH | daily minimum | report only (SU) | Jun, Dec | 703 |
| pH | daily maximum | report only (SU) | Jun, Dec | 703 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 703 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 703 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jun, Dec | 703 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 703 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 703 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 703 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Dec | 703 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Dec | 703 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jun, Dec | 704 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun, Dec | 704 |
| Turbidity | monthly average | report only (NTU) | Jun, Dec | 704 |
| Turbidity | daily maximum | report only (NTU) | Jun, Dec | 704 |
| Conductivity | monthly average | report only (umho/cm) | Jun, Dec | 704 |
| Conductivity | daily maximum | report only (umho/cm) | Jun, Dec | 704 |
| pH | daily minimum | report only (SU) | Jun, Dec | 704 |
| pH | daily maximum | report only (SU) | Jun, Dec | 704 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 704 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 704 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jun, Dec | 704 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 704 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 704 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 704 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Dec | 704 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Dec | 704 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jun, Dec | 705 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun, Dec | 705 |
| Turbidity | monthly average | report only (NTU) | Jun, Dec | 705 |
| Turbidity | daily maximum | report only (NTU) | Jun, Dec | 705 |
| Conductivity | monthly average | report only (umho/cm) | Jun, Dec | 705 |
| Conductivity | daily maximum | report only (umho/cm) | Jun, Dec | 705 |
| pH | daily minimum | report only (SU) | Jun, Dec | 705 |
| pH | daily maximum | report only (SU) | Jun, Dec | 705 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 705 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 705 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jun, Dec | 705 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 705 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 705 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 705 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Dec | 705 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Dec | 705 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jun, Dec | 706 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun, Dec | 706 |
| Turbidity | monthly average | report only (NTU) | Jun, Dec | 706 |
| Turbidity | daily maximum | report only (NTU) | Jun, Dec | 706 |
| Conductivity | monthly average | report only (umho/cm) | Jun, Dec | 706 |
| Conductivity | daily maximum | report only (umho/cm) | Jun, Dec | 706 |
| pH | daily minimum | report only (SU) | Jun, Dec | 706 |
| pH | daily maximum | report only (SU) | Jun, Dec | 706 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 706 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 706 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jun, Dec | 706 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 706 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 706 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 706 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun, Dec | 706 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun, Dec | 706 |
| 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, inorganic total | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| Nitrogen, inorganic total | 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) | all year | 901 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | 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 |
| 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 |
| 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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