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Bituminous Coal And Lignite - Surface, Thornton, West Virginia. NPDES permit WV1029452, in force until Jan 12, 2030. Last 12 months: over a limit 14 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 002 | Iron, total [as Fe], monthly average | 22.7 mg/L | ≤ 14 mg/L | 62% |
| October 2025 | 002 | Iron, total [as Fe], monthly maximum | 22.7 mg/L | ≤ 14 mg/L | 62% |
| November 2025 | 002 | Iron, total [as Fe], monthly average | 18.4 mg/L | ≤ 14 mg/L | 31% |
| November 2025 | 002 | Iron, total [as Fe], monthly maximum | 18.4 mg/L | ≤ 14 mg/L | 31% |
| January 2026 | 001 | Iron, total [as Fe], monthly average | 2.6 mg/L | ≤ 2 mg/L | 30% |
| January 2026 | 001 | Iron, total [as Fe], monthly maximum | 2.6 mg/L | ≤ 2 mg/L | 30% |
| April 2026 | 001 | Iron, total [as Fe], monthly average | 2.2 mg/L | ≤ 2 mg/L | 10% |
| April 2026 | 001 | Iron, total [as Fe], monthly maximum | 2.2 mg/L | ≤ 2 mg/L | 10% |
| May 2026 | 002 | Iron, total [as Fe], monthly average | 15.6 mg/L | ≤ 14 mg/L | 11% |
| May 2026 | 002 | Iron, total [as Fe], monthly maximum | 15.6 mg/L | ≤ 14 mg/L | 11% |
| June 2026 | 001 | Iron, total [as Fe], monthly average | 3.7 mg/L | ≤ 2 mg/L | 85% |
| June 2026 | 001 | Iron, total [as Fe], monthly maximum | 3.7 mg/L | ≤ 2 mg/L | 85% |
| June 2026 | 002 | Iron, total [as Fe], monthly average | 16.8 mg/L | ≤ 14 mg/L | 20% |
| June 2026 | 002 | Iron, total [as Fe], monthly maximum | 16.8 mg/L | ≤ 14 mg/L | 20% |
| 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 | ≥ 3.3 SU | all year | 001 |
| pH | monthly maximum | ≤ 9 SU | all year | 001 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 2 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly maximum | ≤ 2 mg/L | all year | 001 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 001 |
| Aluminum, dissolved [as Al] | monthly average | ≤ 12 mg/L | all year | 001 |
| Aluminum, dissolved [as Al] | monthly maximum | ≤ 12 mg/L | all year | 001 |
| Flow rate | monthly average | report only (gal/min) | all year | 002 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 002 |
| pH | monthly minimum | ≥ 2.5 SU | all year | 002 |
| pH | monthly maximum | ≤ 9 SU | all year | 002 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ 14 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly maximum | ≤ 14 mg/L | all year | 002 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 002 |
| Aluminum, dissolved [as Al] | monthly average | ≤ 33 mg/L | all year | 002 |
| Aluminum, dissolved [as Al] | monthly maximum | ≤ 33 mg/L | all year | 002 |
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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Your permit document is the final word. As JSON: /api/v1/permits/WV1029452 · MCP: https://passage-data.com/mcp