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Bituminous Coal And Lignite - Surface, Whitwell, Tennessee. NPDES permit TN0063690 expired Dec 31, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | daily maximum | report only (uS/cm) (alert, not enforceable) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 001 |
| Specific conductance | daily maximum | report only (uS/cm) (alert, not enforceable) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 002 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Flow, in conduit or thru treatment plant | maximum | report only (gal/min) | all year | 003 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 005 |
| Flow, in conduit or thru treatment plant | maximum | report only (gal/min) | all year | 005 |
Cited limits by parameter: Tennessee's rules and the federal ones.
Same industry: the 30 Coal Mining permits in Tennessee.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TN0063690 · MCP: https://passage-data.com/mcp