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Bituminous Coal And Lignite - Surface, Blair, Kentucky. NPDES permit KY0107689, in force until Mar 31, 2028. Last 12 months: over a limit 4 times (last October 2025), 10 of 34 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Iron, total recoverable, daily maximum | 4.53 mg/L | ≤ 4 mg/L | 13% |
| October 2025 | Iron, total recoverable, monthly average | 3.2 mg/L | ≤ 3 mg/L | 7% |
| October 2025 | Solids, total suspended, daily maximum | 421 mg/L | ≤ 70 mg/L | 501% |
| October 2025 | Solids, total suspended, monthly average | 290.5 mg/L | ≤ 35 mg/L | 730% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | monthly average | report only (uS/cm) | all year | 008 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 008 |
| Solids, settleable | maximum | ≤ .5 mL/L | all year | 008 |
| Solids, settleable | maximum | ≤ .5 mL/L | all year | 008 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 008 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 008 |
| Iron, total recoverable | monthly average | ≤ 3 mg/L | all year | 008 |
| Iron, total recoverable | daily maximum | ≤ 4 mg/L | all year | 008 |
| Selenium, total recoverable | monthly average | report only (ug/L) | all year | 008 |
| Selenium, dry weight | maximum | ≤ 8.6 mg/kg | all year | 008 |
| Selenium, dry weight | maximum | ≤ 8.6 mg/kg | all year | 008 |
| Selenium, dry weight | maximum | ≤ 11.3 mg/kg | all year | 008 |
| Selenium, dry weight | maximum | ≤ 11.3 mg/kg | all year | 008 |
| Manganese, total recoverable | monthly average | ≤ 2 mg/L | all year | 008 |
| Manganese, total recoverable | daily maximum | ≤ 4 mg/L | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Date of Sample Collection | value | report only (date) | all year | 008 |
| Date of Sample Collection | value | report only (date) | all year | 008 |
| Date of Storm Event | value | report only (date) | all year | 008 |
| Date of Storm Event | value | report only (date) | all year | 008 |
| Toxicity, final conc toxicity units | maximum | ≤ 1 tox chronic | all year | 008 |
| Precipitation volume | maximum | report only (in/d) | all year | 008 |
| Precipitation volume | maximum | report only (in/d) | all year | 008 |
| Report due [yrmoda] | value | report only (N=0;Y=1) | all year | 008 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 009 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 009 |
| pH | minimum | ≥ 6 SU | all year | 009 |
| pH | maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 009 |
| Solids, settleable | maximum | ≤ .5 mL/L | all year | 009 |
| Solids, settleable | maximum | ≤ .5 mL/L | all year | 009 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 009 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 009 |
| Iron, total recoverable | monthly average | ≤ 3 mg/L | all year | 009 |
| Iron, total recoverable | daily maximum | ≤ 4 mg/L | all year | 009 |
| Selenium, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Selenium, dry weight | maximum | ≤ 8.6 mg/kg | all year | 009 |
| Selenium, dry weight | maximum | ≤ 8.6 mg/kg | all year | 009 |
| Selenium, dry weight | maximum | ≤ 11.3 mg/kg | all year | 009 |
| Selenium, dry weight | maximum | ≤ 11.3 mg/kg | all year | 009 |
| Manganese, total recoverable | monthly average | ≤ 2 mg/L | all year | 009 |
| Manganese, total recoverable | daily maximum | ≤ 4 mg/L | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| Date of Sample Collection | value | report only (date) | all year | 009 |
| Date of Sample Collection | value | report only (date) | all year | 009 |
| Date of Storm Event | value | report only (date) | all year | 009 |
| Date of Storm Event | value | report only (date) | all year | 009 |
| Toxicity, final conc toxicity units | maximum | ≤ 1 tox chronic | all year | 009 |
| Precipitation volume | maximum | report only (in/d) | all year | 009 |
| Precipitation volume | maximum | report only (in/d) | all year | 009 |
| Report due [yrmoda] | value | report only (N=0;Y=1) | all year | 009 |
Cited limits by parameter: Kentucky's rules and the federal ones.
Same industry: the 66 Coal Mining permits in Kentucky.
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