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Bituminous Coal And Lignite - Surface, Clendenin, West Virginia. NPDES permit WV0066231, in force until Feb 20, 2028. Last 12 months: over a limit 24 times (last June 2026), 21 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | Aluminum, total [as Al], monthly average | 5.08 mg/L | ≤ .43 mg/L | 1081% |
| November 2025 | Aluminum, total [as Al], monthly maximum | 5.08 mg/L | ≤ .75 mg/L | 577% |
| November 2025 | pH, monthly minimum | 3.88 SU | ≥ 6 SU | — |
| December 2025 | Aluminum, total [as Al], monthly average | 6.71 mg/L | ≤ .43 mg/L | 1460% |
| December 2025 | Aluminum, total [as Al], monthly maximum | 7.08 mg/L | ≤ .75 mg/L | 844% |
| December 2025 | pH, monthly minimum | 4.8 SU | ≥ 6 SU | — |
| January 2026 | Aluminum, total [as Al], monthly average | 7.56 mg/L | ≤ .43 mg/L | 1658% |
| January 2026 | Aluminum, total [as Al], monthly maximum | 7.56 mg/L | ≤ .75 mg/L | 908% |
| January 2026 | pH, monthly minimum | 4.6 SU | ≥ 6 SU | — |
| February 2026 | Aluminum, total [as Al], monthly average | 9.22 mg/L | ≤ .43 mg/L | 2044% |
| February 2026 | Aluminum, total [as Al], monthly maximum | 11.6 mg/L | ≤ .75 mg/L | 1447% |
| February 2026 | pH, monthly minimum | 4.2 SU | ≥ 6 SU | — |
| March 2026 | Aluminum, total [as Al], monthly average | 7.44 mg/L | ≤ .43 mg/L | 1630% |
| March 2026 | Aluminum, total [as Al], monthly maximum | 8.03 mg/L | ≤ .75 mg/L | 971% |
| March 2026 | pH, monthly minimum | 3.67 SU | ≥ 6 SU | — |
| April 2026 | Aluminum, total [as Al], monthly average | 3.3 mg/L | ≤ .43 mg/L | 667% |
| April 2026 | Aluminum, total [as Al], monthly maximum | 6.41 mg/L | ≤ .75 mg/L | 755% |
| April 2026 | pH, monthly minimum | 2.88 SU | ≥ 6 SU | — |
| May 2026 | Aluminum, total [as Al], monthly average | 5.64 mg/L | ≤ .43 mg/L | 1212% |
| May 2026 | Aluminum, total [as Al], monthly maximum | 6.4 mg/L | ≤ .75 mg/L | 753% |
| May 2026 | pH, monthly minimum | 4.47 SU | ≥ 6 SU | — |
| June 2026 | Aluminum, total [as Al], monthly average | 2.3 mg/L | ≤ .43 mg/L | 435% |
| June 2026 | Aluminum, total [as Al], monthly maximum | 3.23 mg/L | ≤ .75 mg/L | 331% |
| June 2026 | pH, monthly minimum | 4.42 SU | ≥ 6 SU | — |
| 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 |
| Specific conductance | monthly minimum | report only (umho/cm) | all year | 001 |
| Specific conductance | monthly average | report only (umho/cm) | all year | 001 |
| Specific conductance | monthly maximum | report only (umho/cm) | all year | 001 |
| pH | monthly minimum | ≥ 6 SU | all year | 001 |
| pH | monthly maximum | ≤ 10.5 SU | all year | 001 |
| Solids, total suspended | monthly minimum | report only (mg/L) | 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 |
| Solids, settleable | monthly minimum | report only (mL/L) | all year | 001 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 001 |
| Solids, settleable | monthly maximum | ≤ .5 mL/L | all year | 001 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | monthly maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly maximum | ≤ 5.26 mg/L | all year | 001 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | monthly average | ≤ .43 mg/L | all year | 001 |
| Aluminum, total [as Al] | monthly maximum | ≤ .75 mg/L | all year | 001 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 001 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 001 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | monthly minimum | report only (mg/L) | all year | 001 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | monthly maximum | report only (mg/L) | all year | 001 |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | DMF2 |
| Specific conductance | monthly minimum | report only (umho/cm) | all year | DMF2 |
| Specific conductance | monthly average | report only (umho/cm) | all year | DMF2 |
| Specific conductance | monthly maximum | report only (umho/cm) | all year | DMF2 |
| pH | monthly minimum | report only (SU) | all year | DMF2 |
| pH | monthly maximum | report only (SU) | all year | DMF2 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | DMF2 |
| Sulfate, total [as SO4] | monthly maximum | report only (mg/L) | all year | DMF2 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | DMF2 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | DMF2 |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | DMF2 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | DMF2 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | DMF2 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | DMF2 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | DMF2 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | DMF2 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | DMF2 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | DMF2 |
| Solids, total dissolved | monthly maximum | report only (mg/L) | all year | DMF2 |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | UMF1 |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | UMF1 |
| Specific conductance | monthly minimum | report only (umho/cm) | all year | UMF1 |
| Specific conductance | monthly average | report only (umho/cm) | all year | UMF1 |
| Specific conductance | monthly maximum | report only (umho/cm) | all year | UMF1 |
| pH | monthly minimum | report only (SU) | all year | UMF1 |
| pH | monthly maximum | report only (SU) | all year | UMF1 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | UMF1 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | UMF1 |
| Sulfate, total [as SO4] | monthly maximum | report only (mg/L) | all year | UMF1 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | UMF1 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | UMF1 |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | UMF1 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | UMF1 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | UMF1 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | UMF1 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | UMF1 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | UMF1 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | UMF1 |
| Solids, total dissolved | monthly minimum | report only (mg/L) | all year | UMF1 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | UMF1 |
| Solids, total dissolved | monthly maximum | report only (mg/L) | all year | UMF1 |
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/WV0066231 · MCP: https://passage-data.com/mcp