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Bituminous Coal - Underground, Catlin, Illinois. NPDES permit IL0071021 expired Jan 31, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year |
Cited limits by parameter: Illinois's rules and the federal ones.
Same industry: the 56 Coal Mining permits in Illinois.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IL0071021 · MCP: https://passage-data.com/mcp