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Sewage treatment plant, Shawnee, Ohio. NPDES permit OH0127671, in force until Aug 31, 2028. Last 12 months: over a limit 31 times (last July 2026), 64 required values missing, 5 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 7 | ≤ 3 mg/L | 133% |
| November 2025 | Nitrogen, ammonia total [as N], weekly maximum | 8.54 | ≤ 4.5 mg/L | 90% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 17 | ≤ 10 mg/L | 70% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 17 | ≤ 10 mg/L | 70% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 27 | ≤ 15 mg/L | 80% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 27 | ≤ 15 mg/L | 80% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 13 | ≤ 3 mg/L | 333% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 13 | ≤ 3 mg/L | 333% |
| December 2025 | Nitrogen, ammonia total [as N], weekly maximum | 15.2 | ≤ 4.5 mg/L | 238% |
| December 2025 | Nitrogen, ammonia total [as N], weekly maximum | 15.2 | ≤ 4.5 mg/L | 238% |
| December 2025 | Solids, total suspended, monthly average | 22 | ≤ 12 mg/L | 83% |
| December 2025 | Solids, total suspended, monthly average | 22 | ≤ 12 mg/L | 83% |
| December 2025 | Solids, total suspended, weekly maximum | 21 | ≤ 18 mg/L | 17% |
| December 2025 | Solids, total suspended, weekly maximum | 21 | ≤ 18 mg/L | 17% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 72 | ≤ 10 mg/L | 620% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 151 | ≤ 15 mg/L | 907% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 7.95 | ≤ 3 mg/L | 165% |
| January 2026 | Nitrogen, ammonia total [as N], weekly maximum | 15.9 | ≤ 4.5 mg/L | 253% |
| January 2026 | Oxygen, dissolved [DO], daily minimum | 5.9 | ≥ 6 mg/L | 2% |
| January 2026 | Solids, total suspended, monthly average | 73.8 | ≤ 12 mg/L | 515% |
| January 2026 | Solids, total suspended, weekly maximum | 112 | ≤ 18 mg/L | 522% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 77.3 | ≤ 10 mg/L | 673% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 105 | ≤ 15 mg/L | 600% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 28.3 | ≤ 3 mg/L | 843% |
| February 2026 | Nitrogen, ammonia total [as N], weekly maximum | 28.9 | ≤ 4.5 mg/L | 542% |
| February 2026 | Oxygen, dissolved [DO], daily minimum | 5.7 | ≥ 6 mg/L | 5% |
| February 2026 | Solids, total suspended, monthly average | 56 | ≤ 12 mg/L | 367% |
| February 2026 | Solids, total suspended, weekly maximum | 75 | ≤ 18 mg/L | 317% |
| April 2026 | Oxygen, dissolved [DO], daily minimum | 4.5 | ≥ 6 mg/L | 25% |
| June 2026 | Oxygen, dissolved [DO], daily minimum | 5.3 | ≥ 6 mg/L | 12% |
| July 2026 | Oxygen, dissolved [DO], daily minimum | 5.8 | ≥ 6 mg/L | 3% |
| 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 |
| Residue, tot fltrble [dried at 105 C] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 001 |
| Residue, tot fltrble [dried at 105 C] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 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 | ≤ 4.3 kg/d | all year | 001 |
| Solids, total suspended | weekly maximum | ≤ 6.4 kg/d | 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 | ≤ .35 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .53 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.6 kg/d | 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 |
| 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 | ≤ 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 | ≤ 3.6 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 5.3 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 |
| 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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Your permit document is the final word. As JSON: /api/v1/permits/OH0127671 · MCP: https://passage-data.com/mcp