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Sewage treatment plant, Bowerston, Ohio. NPDES permit OH0041378, in force until Jun 30, 2029. Last 12 months: over a limit once (last October 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 13 | ≤ 10 mg/L | 30% |
| 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 | ≥ 5 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 | ≤ 5.8 kg/d | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 8.69 kg/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 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] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 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 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Feb, Aug | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Feb, Aug | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Feb, Aug | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Feb, Aug | 001 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 001 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 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 |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | May–Oct | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Feb, Aug | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Feb, Aug | 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 | ≤ 4.83 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 7.72 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 |
| Nitrogen, ammonia in bottom deposits | monthly average | report only (mg/kg) | Dec | 581 |
| Nitrogen, ammonia in bottom deposits | daily maximum | report only (mg/kg) | Dec | 581 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/kg) | Dec | 581 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/kg) | Dec | 581 |
| Phosphorous, total, in bottom deposits | monthly average | report only (mg/kg) | Dec | 581 |
| Phosphorous, total, in bottom deposits | daily maximum | report only (mg/kg) | Dec | 581 |
| Potassium, in bottom deposits | monthly average | report only (mg/kg) | Dec | 581 |
| Potassium, in bottom deposits | daily maximum | report only (mg/kg) | Dec | 581 |
| Arsenic, dry weight | daily maximum | report only (mg/kg) | Dec | 581 |
| Cadmium, in bottom deposits [dry wgt] | daily maximum | report only (mg/kg) | Dec | 581 |
| Copper in bottom deposits [dry wgt] | daily maximum | report only (mg/kg) | Dec | 581 |
| Lead, total dry weight [as Pb] | daily maximum | report only (mg/kg) | Dec | 581 |
| Nickel, tot in bottom deposits [dry wgt] | daily maximum | report only (mg/kg) | Dec | 581 |
| Zinc in bottom deposits [dry wgt] | daily maximum | report only (mg/kg) | Dec | 581 |
| Selenium, dry weight | daily maximum | report only (mg/kg) | Dec | 581 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Dec | 581 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Dec | 581 |
| Fecal coliform in sludge, CFU/gram | daily maximum | report only (CFU/g) | Dec | 581 |
| Sludge weight, dry | monthly average | report only (dry ton) | Dec | 581 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Dec | 581 |
| Mercury, tot in bot deposits [dry wgt] | daily maximum | report only (mg/kg) | Dec | 581 |
| Molybdenum, sludge, total, dry weight [as Mo] | daily maximum | report only (mg/kg) | Dec | 581 |
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/OH0041378 · MCP: https://passage-data.com/mcp