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Water Supply, Wellsville, Ohio. NPDES permit OH0139220, in force until Jan 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 18 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 4.55 kg/d | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 6.82 kg/d | all year | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | Jun–Sep | 002 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Jun–Sep | 002 |
| Dichlorobromomethane | monthly average | report only (ug/L) | Sep | 002 |
| Dichlorobromomethane | daily maximum | report only (ug/L) | Sep | 002 |
| Bromoform | monthly average | report only (ug/L) | Sep | 002 |
| Bromoform | daily maximum | report only (ug/L) | Sep | 002 |
| Dibromochloromethane | monthly average | report only (ug/L) | Sep | 002 |
| Dibromochloromethane | daily maximum | report only (ug/L) | Sep | 002 |
| Chloroform | monthly average | report only (ug/L) | Sep | 002 |
| Chloroform | daily maximum | report only (ug/L) | Sep | 002 |
| Methyl bromide [Bromomethane] | monthly average | report only (ug/L) | Sep | 002 |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | Sep | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .27 mg/L | all year | 002 |
| pH | daily minimum | report only (SU) | all year | 801 |
| pH | daily maximum | report only (SU) | all year | 801 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 801 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 801 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 147 Water Supply 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/OH0139220 · MCP: https://passage-data.com/mcp