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Bituminous Coal And Lignite - Surface, Nallen, West Virginia. NPDES permit WV1030698, in force until Mar 15, 2031. Last 12 months: over a limit 3 times (last April 2026), 16 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Iron, total [as Fe], monthly average | 2.1 mg/L | ≤ 1.42 mg/L | 48% |
| April 2026 | Manganese, total [as Mn], monthly average | 4.1 mg/L | ≤ 1 mg/L | 310% |
| April 2026 | Manganese, total [as Mn], monthly maximum | 4.1 mg/L | ≤ 1.73 mg/L | 137% |
| 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, settleable | monthly maximum | ≤ .5 mL/L | all year | 001 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 1.42 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly maximum | ≤ 2.46 mg/L | all year | 001 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 001 |
| Manganese, total [as Mn] | monthly maximum | ≤ 1.73 mg/L | all year | 001 |
| Flow rate | monthly average | report only (gal/min) | all year | 006 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 006 |
| pH | monthly minimum | ≥ 6 SU | all year | 006 |
| pH | monthly maximum | ≤ 9 SU | all year | 006 |
| Solids, settleable | monthly maximum | ≤ .5 mL/L | all year | 006 |
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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