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Sewerage Systems, Mowrystown, Ohio. NPDES permit OH0137499 expired Aug 31, 2026; its limits still apply. 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) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| pH | daily minimum | report only (SU) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| pH | daily maximum | report only (SU) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | weekly maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 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 | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Lead, total recoverable | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Mercury, total low level | monthly average | report only (ng/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Mercury, total low level | daily maximum | report only (ng/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| Sludge weight, dry | monthly average | report only (dry ton) | Dec | 588 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Dec | 588 |
| 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 |
| Streamflow | monthly average | report only (cfs) | May–Oct | 602 |
| Streamflow | daily maximum | report only (cfs) | May–Oct | 602 |
| pH | daily minimum | report only (SU) | May–Oct | 602 |
| pH | daily maximum | report only (SU) | May–Oct | 602 |
| Solids, total suspended | monthly average | report only (mg/L) | May–Oct | 602 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | May–Oct | 602 |
| Nitrogen, inorganic total | monthly average | report only (mg/L) | May–Oct | 602 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | May–Oct | 602 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | May–Oct | 602 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Cobalt, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Iron, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Beryllium, total recoverable [as Be] | daily maximum | report only (ug/L) | May–Oct | 602 |
| Boron, total [as B] | daily maximum | report only (ug/L) | May–Oct | 602 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Lead, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Copper, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Vanadium, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Molybdenum, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| Lithium, total [as Li] | daily maximum | report only (ug/L) | May–Oct | 602 |
| Manganese, total recoverable | daily maximum | report only (ug/L) | May–Oct | 602 |
| E. coli, MTEC-MF | daily maximum | report only (#/100mL) | May–Oct | 602 |
| Application rate area sprayed | monthly average | report only (in/hr) | May–Oct | 602 |
| Application rate area sprayed | daily maximum | report only (in/hr) | May–Oct | 602 |
| Chlorine, total residual | daily minimum | report only (mg/L) | May–Oct | 602 |
| Chlorine, total residual | daily maximum | report only (mg/L) | May–Oct | 602 |
| Area of disposal-used | monthly average | report only (acr) | May–Oct | 602 |
| Area of disposal-used | daily maximum | report only (acr) | May–Oct | 602 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | May–Oct | 602 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 603 |
| pH | daily minimum | report only (SU) | all year | 603 |
| pH | daily maximum | report only (SU) | all year | 603 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 603 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 603 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 603 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 603 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 603 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 603 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 603 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 603 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Mar, Jun, Aug, Dec | 801 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Mar, Jun, Aug, Dec | 801 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Mar, Jun, Aug, Dec | 801 |
| pH | daily minimum | report only (SU) | Mar, Jun, Aug, Dec | 801 |
| pH | daily maximum | report only (SU) | Mar, Jun, Aug, Dec | 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 |
| E. coli, MTEC-MF | monthly geometric mean | report only (#/100mL) | Jun, Aug | 801 |
| E. coli, MTEC-MF | daily maximum | report only (#/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) | all year | 901 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 901 |
| E. coli, MTEC-MF | monthly geometric mean | report only (#/100mL) | all year | 901 |
| E. coli, MTEC-MF | daily maximum | report only (#/100mL) | all year | 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/OH0137499 · MCP: https://passage-data.com/mcp