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Sewerage Systems, Galloway, Ohio. NPDES permit OH0105902, in force until Oct 31, 2027. Last 12 months: over a limit 50 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 4.3 | ≤ 4.2 mg/L | 2% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 17 | ≤ 6.3 mg/L | 170% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 14 | ≤ 5.5 mg/L | 155% |
| November 2025 | Nitrogen, ammonia total [as N], weekly maximum | 24 | ≤ 8.2 mg/L | 193% |
| November 2025 | Solids, total suspended, weekly maximum | 9 | ≤ 7.6 mg/L | 18% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 15 | ≤ 6.3 mg/L | 138% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 6.15 | ≤ 5.5 mg/L | 12% |
| December 2025 | Nitrogen, ammonia total [as N], weekly maximum | 12.1 | ≤ 8.2 mg/L | 48% |
| December 2025 | Oxygen, dissolved [DO], daily minimum | 3.7 | ≥ 6 mg/L | 38% |
| January 2026 | Solids, total suspended, monthly average | .56 | ≤ .45 kg/d | 24% |
| January 2026 | Solids, total suspended, monthly average | 6 | ≤ 5.1 mg/L | 18% |
| January 2026 | Solids, total suspended, weekly maximum | 1.5 | ≤ .68 kg/d | 121% |
| January 2026 | Solids, total suspended, weekly maximum | 15 | ≤ 7.6 mg/L | 97% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 6.8 | ≤ 4.2 mg/L | 62% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 27 | ≤ 6.3 mg/L | 329% |
| April 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 7 | ≤ 6.3 mg/L | 11% |
| April 2026 | Solids, total suspended, weekly maximum | 8 | ≤ 7.6 mg/L | 5% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 7 | ≤ 6.3 mg/L | 11% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 10 | ≤ 4.2 mg/L | 138% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 110000 | ≤ .38 kg/d | — |
| June 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 15 | ≤ 6.3 mg/L | 138% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 150000 | ≤ .57 kg/d | — |
| June 2026 | E. coli, MTEC-MF, monthly geometric mean | 24200 | ≤ 126 MPN/100mL | 19106% |
| June 2026 | E. coli, MTEC-MF, weekly geometric mean | 24200 | ≤ 284 MPN/100mL | 8421% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 20.7 | ≤ .83 mg/L | 2394% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 237000 | ≤ .08 kg/d | — |
| June 2026 | Nitrogen, ammonia total [as N], weekly maximum | 22.3 | ≤ 1.3 mg/L | 1615% |
| June 2026 | Nitrogen, ammonia total [as N], weekly maximum | 239000 | ≤ .13 kg/d | — |
| June 2026 | Phosphorus, total [as P], monthly average | 1.03 | ≤ 1 mg/L | 3% |
| June 2026 | Phosphorus, total [as P], monthly average | 12500 | ≤ .09 kg/d | — |
| June 2026 | Solids, total suspended, monthly average | 110000 | ≤ .45 kg/d | — |
| June 2026 | Solids, total suspended, monthly average | 9.8 | ≤ 5.1 mg/L | 92% |
| June 2026 | Solids, total suspended, weekly maximum | 14 | ≤ 7.6 mg/L | 84% |
| June 2026 | Solids, total suspended, weekly maximum | 150000 | ≤ .68 kg/d | — |
| July 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 49000 | ≤ .38 kg/d | — |
| July 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 13 | ≤ 6.3 mg/L | 106% |
| July 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 190000 | ≤ .57 kg/d | — |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 6.8 | ≤ .83 mg/L | 719% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 84000 | ≤ .08 kg/d | — |
| July 2026 | Nitrogen, ammonia total [as N], weekly maximum | 130000 | ≤ .13 kg/d | — |
| July 2026 | Nitrogen, ammonia total [as N], weekly maximum | 8.4 | ≤ 1.3 mg/L | 546% |
| July 2026 | Phosphorus, total [as P], monthly average | 5200 | ≤ .09 kg/d | — |
| July 2026 | Solids, total suspended, monthly average | 29000 | ≤ .45 kg/d | — |
| July 2026 | Solids, total suspended, weekly maximum | 75000 | ≤ .68 kg/d | — |
| August 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 8.5 | ≤ 4.2 mg/L | 102% |
| August 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 27 | ≤ 6.3 mg/L | 329% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 3.8 | ≤ .83 mg/L | 358% |
| August 2026 | Nitrogen, ammonia total [as N], weekly maximum | 7.2 | ≤ 1.3 mg/L | 454% |
| August 2026 | Solids, total suspended, monthly average | 17 | ≤ 5.1 mg/L | 233% |
| August 2026 | Solids, total suspended, weekly maximum | 33 | ≤ 7.6 mg/L | 334% |
| 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 | ≤ 5.1 mg/L | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 7.6 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ .45 kg/d | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ .68 kg/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .83 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.3 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 8.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .08 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .49 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .13 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .74 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .09 kg/d | all year | 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 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 4.2 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 6.3 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .38 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ .57 kg/d | all year | 001 |
| 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 weight, dry | monthly average | report only (dry ton) | Dec | 588 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Dec | 588 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
Cited limits by parameter: Ohio's rules and the federal ones.
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