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Nonclassifiable Establishments, Harpster, Ohio. NPDES permit OH0138193 expired Feb 28, 2023; its limits still apply. Last 12 months: over a limit 20 times (last July 2026), 20 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 1.16 | ≤ 1 mg/L | 16% |
| October 2025 | Solids, total suspended, daily maximum | 65 | ≤ 45 mg/L | 44% |
| October 2025 | Solids, total suspended, monthly average | 65 | ≤ 30 mg/L | 117% |
| November 2025 | Solids, total suspended, daily maximum | 65 | ≤ 45 mg/L | 44% |
| November 2025 | Solids, total suspended, monthly average | 65 | ≤ 30 mg/L | 117% |
| December 2025 | Solids, total suspended, daily maximum | 67 | ≤ 45 mg/L | 49% |
| December 2025 | Solids, total suspended, monthly average | 67 | ≤ 30 mg/L | 123% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 5.87 | ≤ 5.6 mg/L | 5% |
| March 2026 | Solids, total suspended, monthly average | 35 | ≤ 30 mg/L | 17% |
| April 2026 | Solids, total suspended, daily maximum | 47 | ≤ 45 mg/L | 4% |
| April 2026 | Solids, total suspended, monthly average | 47 | ≤ 30 mg/L | 57% |
| April 2026 | pH, daily maximum | 9.2 | ≤ 9 SU | — |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 1.5 | ≤ 1 mg/L | 50% |
| May 2026 | Solids, total suspended, daily maximum | 79 | ≤ 45 mg/L | 76% |
| May 2026 | Solids, total suspended, monthly average | 79 | ≤ 30 mg/L | 163% |
| June 2026 | Solids, total suspended, daily maximum | 48 | ≤ 45 mg/L | 7% |
| June 2026 | Solids, total suspended, monthly average | 48 | ≤ 30 mg/L | 60% |
| June 2026 | pH, daily maximum | 9.4 | ≤ 9 SU | — |
| July 2026 | Solids, total suspended, daily maximum | 76 | ≤ 45 mg/L | 69% |
| July 2026 | Solids, total suspended, monthly average | 76 | ≤ 30 mg/L | 153% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Flow rate | monthly average | report only (gal/d) | all year |
| Flow rate | daily maximum | report only (gal/d) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25.8 kg/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 38.7 kg/d | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 25.8 kg/d | all year |
| Solids, total suspended | daily maximum | ≤ 38.7 kg/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.6 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 13 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.1 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.81 kg/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .86 kg/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.2 kg/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.82 kg/d | May–Oct |
| Phosphorus, total [as P] | daily maximum | ≤ .2 kg/d | all year |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | May–Oct |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | May–Oct |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 98 Nonclassifiable Establishments permits in Ohio.
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Your permit document is the final word. As JSON: /api/v1/permits/OH0138193 · MCP: https://passage-data.com/mcp