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Nonclassifiable Establishments, Zanesville, Ohio. NPDES permit OH0151641, in force until Jul 31, 2028. Last 12 months: over a limit 26 times (last August 2026), 4 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Nitrogen, ammonia total [as N], monthly average | .071 | ≤ .014 kg/d | 407% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 24.6 | ≤ 3 mg/L | 720% |
| December 2025 | Nitrogen, ammonia total [as N], weekly maximum | .071 | ≤ .02 kg/d | 255% |
| December 2025 | Nitrogen, ammonia total [as N], weekly maximum | 24.6 | ≤ 4.5 mg/L | 447% |
| December 2025 | Solids, total suspended, monthly average | 15 | ≤ 12 mg/L | 25% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | .16 | ≤ .045 kg/d | 256% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 46 | ≤ 10 mg/L | 360% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | .16 | ≤ .068 kg/d | 135% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 46 | ≤ 15 mg/L | 207% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | .143 | ≤ .014 kg/d | 921% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 41.7 | ≤ 3 mg/L | 1290% |
| March 2026 | Nitrogen, ammonia total [as N], weekly maximum | .143 | ≤ .02 kg/d | 615% |
| March 2026 | Nitrogen, ammonia total [as N], weekly maximum | 41.7 | ≤ 4.5 mg/L | 827% |
| March 2026 | Solids, total suspended, monthly average | .16 | ≤ .055 kg/d | 191% |
| March 2026 | Solids, total suspended, monthly average | 46 | ≤ 12 mg/L | 283% |
| March 2026 | Solids, total suspended, weekly maximum | .16 | ≤ .082 kg/d | 95% |
| March 2026 | Solids, total suspended, weekly maximum | 46 | ≤ 18 mg/L | 156% |
| June 2026 | Solids, total suspended, monthly average | 20 | ≤ 12 mg/L | 67% |
| June 2026 | Solids, total suspended, weekly maximum | 20 | ≤ 18 mg/L | 11% |
| August 2026 | E. coli, MTEC-MF, monthly geometric mean | 1300 | ≤ 126 MPN/100mL | 932% |
| August 2026 | E. coli, MTEC-MF, weekly geometric mean | 1300 | ≤ 284 MPN/100mL | 358% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | .00985 | ≤ .0045 kg/d | 119% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 4.36 | ≤ 1 mg/L | 336% |
| August 2026 | Nitrogen, ammonia total [as N], weekly maximum | .00985 | ≤ .0068 kg/d | 45% |
| August 2026 | Nitrogen, ammonia total [as N], weekly maximum | 4.36 | ≤ 1.5 mg/L | 191% |
| August 2026 | Solids, total suspended, monthly average | 15 | ≤ 12 mg/L | 25% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/d) | all year | 001 |
| Flow rate | daily maximum | report only (gal/d) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | Mar, Jun, Aug, Dec | 001 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Aug, Dec | 001 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Aug, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | Mar, Jun, Aug, Dec | 001 |
| Solids, total suspended | weekly maximum | ≤ 18 mg/L | Mar, Jun, Aug, Dec | 001 |
| Solids, total suspended | monthly average | ≤ .055 kg/d | Mar, Jun, Aug, Dec | 001 |
| Solids, total suspended | weekly maximum | ≤ .082 kg/d | Mar, Jun, Aug, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Jun, Aug | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 4.5 mg/L | Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.5 mg/L | Jun, Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .014 kg/d | Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .0045 kg/d | Jun, Aug | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .02 kg/d | Mar, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .0068 kg/d | Jun, 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 | Jun, Aug | 001 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | Jun, Aug | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Mar, Jun, Aug, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 15 mg/L | Mar, Jun, Aug, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .045 kg/d | Mar, Jun, Aug, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ .068 kg/d | Mar, Jun, Aug, Dec | 001 |
| 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.
Same industry: the 98 Nonclassifiable Establishments permits in Ohio.
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