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ALCOA Fuels Inc Liberty Mine

Bituminous Coal And Lignite - Surface, Boonville, Indiana. NPDES permit ING040256, in force until Mar 31, 2031. 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 007 form A monthly (12 values), outfall 009 form A monthly (12 values), outfall 010 form A monthly (12 values), outfall 011 form A monthly (12 values), outfall 012 form A monthly (12 values), and 7 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 208 reports late

Limits in force (156)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year006
pHdaily maximum≤ 9 SUall year006
Solids, total suspendedmonthly average≤ 35 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, settleablemonthly averagereport only (mL/L)all year006
Solids, settleabledaily maximum≤ .5 mL/Lall year006
Iron, total recoverablemonthly average≤ 3 mg/Lall year006
Iron, total recoverabledaily maximum≤ 6 mg/Lall year006
Durationdaily maximumreport only (hr/d)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Precipitation volumedaily maximumreport only (in/d)all year006
pHdaily minimum≥ 6 SUall year007
pHdaily maximum≤ 9 SUall year007
Solids, total suspendedmonthly average≤ 35 mg/Lall year007
Solids, total suspendeddaily maximum≤ 70 mg/Lall year007
Solids, settleablemonthly averagereport only (mL/L)all year007
Solids, settleabledaily maximum≤ .5 mL/Lall year007
Iron, total recoverablemonthly average≤ 3 mg/Lall year007
Iron, total recoverabledaily maximum≤ 6 mg/Lall year007
Durationdaily maximumreport only (hr/d)all year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Precipitation volumedaily maximumreport only (in/d)all year007
pHdaily minimum≥ 6 SUall year009
pHdaily maximum≤ 9 SUall year009
Solids, total suspendedmonthly average≤ 35 mg/Lall year009
Solids, total suspendeddaily maximum≤ 70 mg/Lall year009
Solids, settleablemonthly averagereport only (mL/L)all year009
Solids, settleabledaily maximum≤ .5 mL/Lall year009
Iron, total recoverablemonthly average≤ 3 mg/Lall year009
Iron, total recoverabledaily maximum≤ 6 mg/Lall year009
Durationdaily maximumreport only (hr/d)all year009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
Precipitation volumedaily maximumreport only (in/d)all year009
pHdaily minimum≥ 6 SUall year010
pHdaily maximum≤ 9 SUall year010
Solids, total suspendedmonthly average≤ 35 mg/Lall year010
Solids, total suspendeddaily maximum≤ 70 mg/Lall year010
Solids, settleablemonthly averagereport only (mL/L)all year010
Solids, settleabledaily maximum≤ .5 mL/Lall year010
Iron, total recoverablemonthly average≤ 3 mg/Lall year010
Iron, total recoverabledaily maximum≤ 6 mg/Lall year010
Durationdaily maximumreport only (hr/d)all year010
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year010
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year010
Precipitation volumedaily maximumreport only (in/d)all year010
pHdaily minimum≥ 6 SUall year011
pHdaily maximum≤ 9 SUall year011
Solids, total suspendedmonthly average≤ 35 mg/Lall year011
Solids, total suspendeddaily maximum≤ 70 mg/Lall year011
Solids, settleablemonthly averagereport only (mL/L)all year011
Solids, settleabledaily maximum≤ .5 mL/Lall year011
Iron, total recoverablemonthly average≤ 3 mg/Lall year011
Iron, total recoverabledaily maximum≤ 6 mg/Lall year011
Durationdaily maximumreport only (hr/d)all year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year011
Precipitation volumedaily maximumreport only (in/d)all year011
pHdaily minimum≥ 6 SUall year012
pHdaily maximum≤ 9 SUall year012
Solids, total suspendedmonthly average≤ 35 mg/Lall year012
Solids, total suspendeddaily maximum≤ 70 mg/Lall year012
Solids, settleablemonthly averagereport only (mL/L)all year012
Solids, settleabledaily maximum≤ .5 mL/Lall year012
Iron, total recoverablemonthly average≤ 3 mg/Lall year012
Iron, total recoverabledaily maximum≤ 6 mg/Lall year012
Durationdaily maximumreport only (hr/d)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Precipitation volumedaily maximumreport only (in/d)all year012
pHdaily minimum≥ 6 SUall year013
pHdaily maximum≤ 9 SUall year013
Solids, total suspendedmonthly average≤ 35 mg/Lall year013
Solids, total suspendeddaily maximum≤ 70 mg/Lall year013
Solids, settleablemonthly averagereport only (mL/L)all year013
Solids, settleabledaily maximum≤ .5 mL/Lall year013
Iron, total recoverablemonthly average≤ 3 mg/Lall year013
Iron, total recoverabledaily maximum≤ 6 mg/Lall year013
Durationdaily maximumreport only (hr/d)all year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Precipitation volumedaily maximumreport only (in/d)all year013
pHdaily minimum≥ 6 SUall year014
pHdaily maximum≤ 9 SUall year014
Solids, total suspendedmonthly average≤ 35 mg/Lall year014
Solids, total suspendeddaily maximum≤ 70 mg/Lall year014
Solids, settleablemonthly averagereport only (mL/L)all year014
Solids, settleabledaily maximum≤ .5 mL/Lall year014
Iron, total recoverablemonthly average≤ 3 mg/Lall year014
Iron, total recoverabledaily maximum≤ 6 mg/Lall year014
Durationdaily maximumreport only (hr/d)all year014
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year014
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year014
Precipitation volumedaily maximumreport only (in/d)all year014
pHdaily minimum≥ 6 SUall year015
pHdaily maximum≤ 9 SUall year015
Solids, total suspendedmonthly average≤ 35 mg/Lall year015
Solids, total suspendeddaily maximum≤ 70 mg/Lall year015
Solids, settleablemonthly averagereport only (mL/L)all year015
Solids, settleabledaily maximum≤ .5 mL/Lall year015
Iron, total recoverablemonthly average≤ 3 mg/Lall year015
Iron, total recoverabledaily maximum≤ 6 mg/Lall year015
Durationdaily maximumreport only (hr/d)all year015
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year015
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year015
Precipitation volumedaily maximumreport only (in/d)all year015
pHdaily minimum≥ 6 SUall year021
pHdaily maximum≤ 9 SUall year021
Solids, total suspendedmonthly average≤ 35 mg/Lall year021
Solids, total suspendeddaily maximum≤ 70 mg/Lall year021
Solids, settleablemonthly averagereport only (mL/L)all year021
Solids, settleabledaily maximum≤ .5 mL/Lall year021
Iron, total recoverablemonthly average≤ 3 mg/Lall year021
Iron, total recoverabledaily maximum≤ 6 mg/Lall year021
Durationdaily maximumreport only (hr/d)all year021
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year021
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year021
Precipitation volumedaily maximumreport only (in/d)all year021
pHdaily minimum≥ 6 SUall year022
pHdaily maximum≤ 9 SUall year022
Solids, total suspendedmonthly average≤ 35 mg/Lall year022
Solids, total suspendeddaily maximum≤ 70 mg/Lall year022
Solids, settleablemonthly averagereport only (mL/L)all year022
Solids, settleabledaily maximum≤ .5 mL/Lall year022
Iron, total recoverablemonthly average≤ 3 mg/Lall year022
Iron, total recoverabledaily maximum≤ 6 mg/Lall year022
Durationdaily maximumreport only (hr/d)all year022
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year022
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year022
Precipitation volumedaily maximumreport only (in/d)all year022
pHdaily minimum≥ 6 SUall year023
pHdaily maximum≤ 9 SUall year023
Solids, total suspendedmonthly average≤ 35 mg/Lall year023
Solids, total suspendeddaily maximum≤ 70 mg/Lall year023
Solids, settleablemonthly averagereport only (mL/L)all year023
Solids, settleabledaily maximum≤ .5 mL/Lall year023
Iron, total recoverablemonthly average≤ 3 mg/Lall year023
Iron, total recoverabledaily maximum≤ 6 mg/Lall year023
Durationdaily maximumreport only (hr/d)all year023
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year023
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year023
Precipitation volumedaily maximumreport only (in/d)all year023
pHdaily minimum≥ 6 SUall year200
pHdaily maximum≤ 9 SUall year200
Solids, total suspendedmonthly average≤ 35 mg/Lall year200
Solids, total suspendeddaily maximum≤ 70 mg/Lall year200
Solids, settleablemonthly averagereport only (mL/L)all year200
Solids, settleabledaily maximum≤ .5 mL/Lall year200
Iron, total recoverablemonthly average≤ 3 mg/Lall year200
Iron, total recoverabledaily maximum≤ 6 mg/Lall year200
Durationdaily maximumreport only (hr/d)all year200
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year200
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year200
Precipitation volumedaily maximumreport only (in/d)all year200

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/ING040256 · MCP: https://passage-data.com/mcp