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Responsible Energy Operations LLC Charger Mine

Bituminous Coal - Underground, Petersburg, Indiana. NPDES permit ING040129, in force until Dec 31, 2030. Last 12 months: no values over a limit, 20 of 45 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 401 form A monthly (12 values), outfall 701 form A monthly (12 values), outfall 813 form A monthly (12 values), outfall 814 form A monthly (12 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 23 of 52 reports late

Limits in force (48)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year401
pHdaily maximum≤ 9 SUall year401
Solids, total suspendeddaily average≤ 35 mg/Lall year401
Solids, total suspendeddaily maximum≤ 70 mg/Lall year401
Solids, settleabledaily averagereport only (mL/L)all year401
Solids, settleabledaily maximum≤ .5 mL/Lall year401
Iron, total [as Fe]daily average≤ 3 mg/Lall year401
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year401
Durationmonthly totalreport only (d/mo)all year401
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year401
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year401
Precipitation volumemonthly totalreport only (in/mo)all year401
pHdaily minimum≥ 6 SUall year701
pHdaily maximum≤ 9 SUall year701
Solids, total suspendeddaily average≤ 35 mg/Lall year701
Solids, total suspendeddaily maximum≤ 70 mg/Lall year701
Solids, settleabledaily averagereport only (mL/L)all year701
Solids, settleabledaily maximum≤ .5 mL/Lall year701
Iron, total [as Fe]daily average≤ 3 mg/Lall year701
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year701
Durationmonthly totalreport only (d/mo)all year701
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year701
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year701
Precipitation volumemonthly totalreport only (in/mo)all year701
pHdaily minimum≥ 6 SUall year813
pHdaily maximum≤ 9 SUall year813
Solids, total suspendeddaily average≤ 35 mg/Lall year813
Solids, total suspendeddaily maximum≤ 70 mg/Lall year813
Solids, settleabledaily averagereport only (mL/L)all year813
Solids, settleabledaily maximum≤ .5 mL/Lall year813
Iron, total [as Fe]daily average≤ 3 mg/Lall year813
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year813
Durationmonthly totalreport only (d/mo)all year813
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year813
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year813
Precipitation volumemonthly totalreport only (in/mo)all year813
pHdaily minimum≥ 6 SUall year814
pHdaily maximum≤ 9 SUall year814
Solids, total suspendeddaily average≤ 35 mg/Lall year814
Solids, total suspendeddaily maximum≤ 70 mg/Lall year814
Solids, settleabledaily averagereport only (mL/L)all year814
Solids, settleabledaily maximum≤ .5 mL/Lall year814
Iron, total [as Fe]daily average≤ 3 mg/Lall year814
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year814
Durationmonthly totalreport only (d/mo)all year814
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year814
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year814
Precipitation volumemonthly totalreport only (in/mo)all year814

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

Same industry: the 38 Coal Mining permits in Indiana.

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Your permit document is the final word. As JSON: /api/v1/permits/ING040129 · MCP: https://passage-data.com/mcp