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Nonclassifiable Establishments, Pomeroy, Ohio. NPDES permit OH0135038, in force until Jan 31, 2031. Last 12 months: over a limit 9 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 5.6 | ≤ 1.6 mg/L | 250% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 15.3 | ≤ 13 mg/L | 18% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 15.3 | ≤ 13 mg/L | 18% |
| April 2026 | Nitrogen, ammonia total [as N], daily maximum | 27.5 | ≤ 13 mg/L | 112% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 27.5 | ≤ 13 mg/L | 112% |
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 15.8 | ≤ 13 mg/L | 22% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 15.8 | ≤ 1.6 mg/L | 888% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 6.5 | ≤ 1.6 mg/L | 306% |
| September 2026 | Nitrogen, ammonia total [as N], monthly average | 7.3 | ≤ 1.6 mg/L | 356% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Flow rate | monthly average | report only (gal/d) | all year |
| Flow rate | daily maximum | report only (gal/d) | all year |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | 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 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 13 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 13 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Mar, Sep |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Sep |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Mar, Sep |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Mar, Sep |
| Chloride [as Cl] | monthly average | report only (mg/L) | Mar, Sep |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Mar, Sep |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Mar, Sep |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Sep |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Iron, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Iron, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Beryllium, total recoverable [as Be] | monthly average | report only (ug/L) | Mar, Sep |
| Beryllium, total recoverable [as Be] | daily maximum | report only (ug/L) | Mar, Sep |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Lead, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Lead, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Chromium, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Sep |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Sep |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (ug/L) | Mar, Sep |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | Mar, Sep |
| Turbidity [severity] | monthly average | report only (severity) | all year |
| Turbidity [severity] | daily maximum | report only (severity) | all year |
| Phenol | monthly average | report only (ug/L) | Mar, Sep |
| Phenol | daily maximum | report only (ug/L) | Mar, Sep |
| Surfactants [MBAS] | monthly average | report only (mg/L) | Mar, Sep |
| Surfactants [MBAS] | daily maximum | report only (mg/L) | Mar, Sep |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Sep |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Sep |
| Solids, total dissolved | monthly average | report only (mg/L) | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 23 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 98 Nonclassifiable Establishments permits in Ohio.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OH0135038 · MCP: https://passage-data.com/mcp