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Bituminous Coal And Lignite - Surface, Naugatuck, West Virginia. NPDES permit WV0090255 expired Mar 22, 2026; its limits still apply. Last 12 months: no values over a limit, 138 required values missing, 13 of 21 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| 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 average | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly maximum | ≤ 6 mg/L | all year | 001 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 002 |
| pH | monthly minimum | ≥ 6 SU | all year | 002 |
| pH | monthly maximum | ≤ 9 SU | all year | 002 |
| Solids, settleable | monthly maximum | ≤ .5 mL/L | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly maximum | ≤ 6 mg/L | all year | 002 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 003 |
| pH | monthly minimum | ≥ 6 SU | all year | 003 |
| pH | monthly maximum | ≤ 9 SU | all year | 003 |
| Solids, settleable | monthly maximum | ≤ .5 mL/L | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 003 |
| Iron, total [as Fe] | monthly maximum | ≤ 6 mg/L | all year | 003 |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | DBWB |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | DBWB |
| pH | monthly minimum | report only (SU) | all year | DBWB |
| pH | monthly maximum | report only (SU) | all year | DBWB |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | DBWB |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | DBWB |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | DBWB |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | DOB |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | DOB |
| pH | monthly minimum | report only (SU) | all year | DOB |
| pH | monthly maximum | report only (SU) | all year | DOB |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | DOB |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | DOB |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | DOB |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | DPC |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | DPC |
| pH | monthly minimum | report only (SU) | all year | DPC |
| pH | monthly maximum | report only (SU) | all year | DPC |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | DPC |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | DPC |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | DPC |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | UPC |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | UPC |
| pH | monthly minimum | report only (SU) | all year | UPC |
| pH | monthly maximum | report only (SU) | all year | UPC |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | UPC |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | UPC |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | UPC |
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/WV0090255 · MCP: https://passage-data.com/mcp