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Bituminous Coal - Underground, Wiborg, Kentucky. NPDES permit KY0112101, in force until Jun 30, 2031. Last 12 months: no values over a limit, 2 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | monthly average | report only (uS/cm) | all year | 001 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 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 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 002 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 002 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 002 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total recoverable | monthly average | ≤ 3 mg/L | all year | 002 |
| Iron, total recoverable | daily maximum | ≤ 4 mg/L | all year | 002 |
| Selenium, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Selenium, dry weight | daily maximum | ≤ 8.6 mg/kg | all year | 002 |
| Selenium, dry weight | daily maximum | ≤ 8.6 mg/kg | all year | 002 |
| Selenium, dry weight | daily maximum | ≤ 11.3 mg/kg | all year | 002 |
| Selenium, dry weight | daily maximum | ≤ 11.3 mg/kg | all year | 002 |
| Manganese, total recoverable | monthly average | ≤ 2 mg/L | all year | 002 |
| Manganese, total recoverable | daily maximum | ≤ 4 mg/L | all year | 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 |
| Date of Sample Collection | monthly average | report only (date) | all year | 002 |
| Date of Sample Collection | monthly average | report only (date) | all year | 002 |
| Date of Storm Event | monthly average | report only (date) | all year | 002 |
| Date of Storm Event | monthly average | report only (date) | all year | 002 |
| Precipitation volume | daily maximum | report only (in/d) | all year | 002 |
| Precipitation volume | daily maximum | report only (in/d) | all year | 002 |
| Report due [yrmoda] | value | report only (N=0;Y=1) | all year | 002 |
| Toxicity, Chronic | maximum | ≤ 1 tox chronic | all year | 002 |
Cited limits by parameter: Kentucky's rules and the federal ones.
Same industry: the 66 Coal Mining permits in Kentucky.
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Your permit document is the final word. As JSON: /api/v1/permits/KY0112101 · MCP: https://passage-data.com/mcp