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Peabody Midwest Mining LLC Somerville Central Mine

Bituminous Coal And Lignite - Surface, Oakland City, Indiana. NPDES permit ING040190, in force until Mar 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 006 form A monthly (12 values), outfall 044 form A monthly (12 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year006
pHdaily maximum≤ 9 SUall year006
Solids, total suspendeddaily average≤ 35 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, settleabledaily averagereport only (mL/L)all year006
Solids, settleabledaily maximum≤ .5 mL/Lall year006
Iron, total [as Fe]daily average≤ 3 mg/Lall year006
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year006
Durationmonthly totalreport only (d/mo)all year006
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Precipitation volumemonthly totalreport only (in/mo)all year006
pHdaily minimum≥ 6 SUall year044
pHdaily maximum≤ 9 SUall year044
Solids, total suspendeddaily average≤ 35 mg/Lall year044
Solids, total suspendeddaily maximum≤ 70 mg/Lall year044
Solids, settleabledaily averagereport only (mL/L)all year044
Solids, settleabledaily maximum≤ .5 mL/Lall year044
Iron, total [as Fe]daily average≤ 3 mg/Lall year044
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year044
Durationmonthly totalreport only (d/mo)all year044
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year044
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year044
Precipitation volumemonthly totalreport only (in/mo)all year044

Cited limits by parameter: Indiana's rules and the federal ones.

Same industry: the 38 Coal Mining permits in Indiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/ING040190 · MCP: https://passage-data.com/mcp