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Bituminous Coal And Lignite - Surface, Triadelphia, West Virginia. NPDES permit WV1011642 expired Dec 31, 2011; its limits still apply. No reports in EPA's file for the last 12 months. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/min) | all year | 001 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 001 |
| pH | monthly minimum | ≥ 6 SU | all year | 001 |
| pH | monthly maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 1.42 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly maximum | ≤ 2.47 mg/L | all year | 001 |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | D-1 |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | D-1 |
| pH | monthly minimum | report only (SU) | all year | D-1 |
| pH | monthly average | report only (SU) | all year | D-1 |
| pH | monthly maximum | report only (SU) | all year | D-1 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | D-1 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | D-1 |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | D-1 |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | U-1 |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | U-1 |
| pH | monthly minimum | report only (SU) | all year | U-1 |
| pH | monthly average | report only (SU) | all year | U-1 |
| pH | monthly maximum | report only (SU) | all year | U-1 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | U-1 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | U-1 |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | U-1 |
Cited limits by parameter: West Virginia's rules and the federal ones.
Same industry: the 1,301 Coal Mining permits in West Virginia.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WV1011642 · MCP: https://passage-data.com/mcp