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Sewerage Systems, Creston, Ohio. NPDES permit OH0101150, in force until Mar 31, 2027. Last 12 months: over a limit 32 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], monthly average | .109 | ≤ .09 kg/d | 21% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | .548 | ≤ .34 mg/L | 61% |
| October 2025 | Nitrogen, ammonia total [as N], weekly maximum | .625 | ≤ .56 mg/L | 12% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 1.6 | ≤ .94 kg/d | 70% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 6 | ≤ 3.54 mg/L | 69% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | .941 | ≤ .19 kg/d | 395% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 5.04 | ≤ .72 mg/L | 600% |
| November 2025 | Nitrogen, ammonia total [as N], weekly maximum | 1.87 | ≤ .25 kg/d | 648% |
| November 2025 | Nitrogen, ammonia total [as N], weekly maximum | 9.98 | ≤ .94 mg/L | 962% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 2.8 | ≤ 2.34 mg/L | 20% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 4 | ≤ 3.54 mg/L | 13% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | .244 | ≤ .19 kg/d | 28% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 1.43 | ≤ .72 mg/L | 99% |
| December 2025 | Nitrogen, ammonia total [as N], weekly maximum | .299 | ≤ .25 kg/d | 20% |
| December 2025 | Nitrogen, ammonia total [as N], weekly maximum | 1.75 | ≤ .94 mg/L | 86% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 3.8 | ≤ 2.34 mg/L | 62% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 5 | ≤ 3.54 mg/L | 41% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | .45 | ≤ .19 kg/d | 137% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 4.2 | ≤ .72 mg/L | 483% |
| January 2026 | Nitrogen, ammonia total [as N], weekly maximum | .48 | ≤ .25 kg/d | 92% |
| January 2026 | Nitrogen, ammonia total [as N], weekly maximum | 4.3 | ≤ .94 mg/L | 357% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 3.8 | ≤ 2.34 mg/L | 62% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 5 | ≤ 3.54 mg/L | 41% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | .426 | ≤ .19 kg/d | 124% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 3.43 | ≤ .72 mg/L | 376% |
| February 2026 | Nitrogen, ammonia total [as N], weekly maximum | .641 | ≤ .25 kg/d | 156% |
| February 2026 | Nitrogen, ammonia total [as N], weekly maximum | 5.5 | ≤ .94 mg/L | 485% |
| May 2026 | E. coli, MTEC-MF, monthly geometric mean | 130 | ≤ 126 MPN/100mL | 3% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | .336 | ≤ .09 kg/d | 273% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 3.28 | ≤ .34 mg/L | 865% |
| August 2026 | Nitrogen, ammonia total [as N], weekly maximum | .547 | ≤ .15 kg/d | 265% |
| August 2026 | Nitrogen, ammonia total [as N], weekly maximum | 5.87 | ≤ .56 mg/L | 948% |
| 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 | ≤ 3.18 kg/d | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 4.77 kg/d | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 2.83 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .34 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .72 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .56 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .94 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .09 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .19 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .15 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .25 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Feb, Apr, Jun, Aug, Oct, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Feb, Apr, Jun, Aug, Oct, Dec | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Feb, Apr, Jun, Aug, Oct, Dec | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Feb, Apr, Jun, Aug, Oct, Dec | 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 |
| Arsenic, total recoverable | daily maximum | ≤ 100 ug/L | Mar, Jun, Sep, Dec | 001 |
| Iron, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 001 |
| Iron, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 001 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 001 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 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 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Feb, Apr, Jun, Aug, Oct, Dec | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Feb, Apr, Jun, Aug, Oct, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 2.34 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 3.54 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .62 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ .94 kg/d | all year | 001 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Dec | 578 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Dec | 578 |
| Flow rate | monthly average | report only (gal/d) | all year | 602 |
| Flow rate | daily maximum | report only (gal/d) | all year | 602 |
Cited limits by parameter: Ohio's rules and the federal ones.
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