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Arc Taylorville Mining LLC

Bituminous Coal And Lignite - Surface, Taylorville, Illinois. NPDES permit IL0076651, in force until May 31, 2030. No reports in EPA's file for the last 12 months. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 002 form 1 quarterly, outfall 002 form 2 quarterly, outfall 002 form 3 quarterly, outfall 002 form 4 quarterly, outfall 003 form 1 quarterly, outfall 003 form 2 quarterly, and 15 more forms
Last report on file
None in EPA's file for the last 12 months; that may be EPA's gap, not the facility's

Limits in force (446)

ParameterStatisticLimitMonthsOutfall
pHquarterly minimum≥ 6 SUall year002
pHquarterly minimum≥ 6 SUall year002
pHquarterly minimum≥ 6 SUall year002
pHquarterly minimum≥ 6 SUall year002
pHminimum≥ 6.5 SUall year002
pHminimum≥ 6.5 SUall year002
pHminimum≥ 6.5 SUall year002
pHminimum≥ 6.5 SUall year002
pHquarterly maximum≤ 9 SUall year002
pHquarterly maximum≤ 9 SUall year002
pHquarterly maximum≤ 9 SUall year002
pHquarterly maximum≤ 9 SUall year002
pHmaximum≤ 9 SUall year002
pHmaximum≤ 9 SUall year002
pHmaximum≤ 9 SUall year002
pHmaximum≤ 9 SUall year002
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year002
Solids, total suspended30-day average≤ 35 mg/Lall year002
Solids, total suspended30-day average≤ 35 mg/Lall year002
Solids, total suspended30-day average≤ 35 mg/Lall year002
Solids, total suspended30-day average≤ 35 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, settleablequarterly maximum≤ .5 mL/Lall year002
Solids, settleablequarterly maximum≤ .5 mL/Lall year002
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year002
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year002
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year002
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year002
Chloride [as Cl]daily maximum≤ 500 mg/Lall year002
Chloride [as Cl]daily maximum≤ 500 mg/Lall year002
Chloride [as Cl]daily maximum≤ 500 mg/Lall year002
Chloride [as Cl]daily maximum≤ 500 mg/Lall year002
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year002
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year002
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year002
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year002
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year002
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year002
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year002
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year002
Iron, total [as Fe]30-day average≤ 3 mg/Lall year002
Iron, total [as Fe]30-day average≤ 3 mg/Lall year002
Iron, total [as Fe]30-day average≤ 3 mg/Lall year002
Iron, total [as Fe]30-day average≤ 3 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pHquarterly minimum≥ 6 SUall year003
pHquarterly minimum≥ 6 SUall year003
pHquarterly minimum≥ 6 SUall year003
pHquarterly minimum≥ 6 SUall year003
pHminimum≥ 6.5 SUall year003
pHminimum≥ 6.5 SUall year003
pHminimum≥ 6.5 SUall year003
pHminimum≥ 6.5 SUall year003
pHquarterly maximum≤ 9 SUall year003
pHquarterly maximum≤ 9 SUall year003
pHquarterly maximum≤ 9 SUall year003
pHquarterly maximum≤ 9 SUall year003
pHmaximum≤ 9 SUall year003
pHmaximum≤ 9 SUall year003
pHmaximum≤ 9 SUall year003
pHmaximum≤ 9 SUall year003
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year003
Solids, total suspended30-day average≤ 35 mg/Lall year003
Solids, total suspended30-day average≤ 35 mg/Lall year003
Solids, total suspended30-day average≤ 35 mg/Lall year003
Solids, total suspended30-day average≤ 35 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Solids, settleablequarterly maximum≤ .5 mL/Lall year003
Solids, settleablequarterly maximum≤ .5 mL/Lall year003
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year003
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year003
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year003
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year003
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year003
Chloride [as Cl]daily maximum≤ 500 mg/Lall year003
Chloride [as Cl]daily maximum≤ 500 mg/Lall year003
Chloride [as Cl]daily maximum≤ 500 mg/Lall year003
Chloride [as Cl]daily maximum≤ 500 mg/Lall year003
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year003
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year003
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year003
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year003
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year003
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year003
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year003
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year003
Iron, total [as Fe]30-day average≤ 3 mg/Lall year003
Iron, total [as Fe]30-day average≤ 3 mg/Lall year003
Iron, total [as Fe]30-day average≤ 3 mg/Lall year003
Iron, total [as Fe]30-day average≤ 3 mg/Lall year003
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year003
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year003
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year003
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHquarterly minimum≥ 6 SUall year004
pHquarterly minimum≥ 6 SUall year004
pHquarterly minimum≥ 6 SUall year004
pHquarterly minimum≥ 6 SUall year004
pHminimum≥ 6.5 SUall year004
pHminimum≥ 6.5 SUall year004
pHminimum≥ 6.5 SUall year004
pHminimum≥ 6.5 SUall year004
pHquarterly maximum≤ 9 SUall year004
pHquarterly maximum≤ 9 SUall year004
pHquarterly maximum≤ 9 SUall year004
pHquarterly maximum≤ 9 SUall year004
pHmaximum≤ 9 SUall year004
pHmaximum≤ 9 SUall year004
pHmaximum≤ 9 SUall year004
pHmaximum≤ 9 SUall year004
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year004
Solids, total suspended30-day average≤ 35 mg/Lall year004
Solids, total suspended30-day average≤ 35 mg/Lall year004
Solids, total suspended30-day average≤ 35 mg/Lall year004
Solids, total suspended30-day average≤ 35 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, settleablequarterly maximum≤ .5 mL/Lall year004
Solids, settleablequarterly maximum≤ .5 mL/Lall year004
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year004
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year004
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year004
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year004
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year004
Chloride [as Cl]daily maximum≤ 500 mg/Lall year004
Chloride [as Cl]daily maximum≤ 500 mg/Lall year004
Chloride [as Cl]daily maximum≤ 500 mg/Lall year004
Chloride [as Cl]daily maximum≤ 500 mg/Lall year004
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year004
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year004
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year004
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year004
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year004
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year004
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year004
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year004
Iron, total [as Fe]30-day average≤ 3 mg/Lall year004
Iron, total [as Fe]30-day average≤ 3 mg/Lall year004
Iron, total [as Fe]30-day average≤ 3 mg/Lall year004
Iron, total [as Fe]30-day average≤ 3 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
pHquarterly minimum≥ 6 SUall year005
pHquarterly minimum≥ 6 SUall year005
pHquarterly minimum≥ 6 SUall year005
pHquarterly minimum≥ 6 SUall year005
pHminimum≥ 6.5 SUall year005
pHminimum≥ 6.5 SUall year005
pHminimum≥ 6.5 SUall year005
pHminimum≥ 6.5 SUall year005
pHquarterly maximum≤ 9 SUall year005
pHquarterly maximum≤ 9 SUall year005
pHquarterly maximum≤ 9 SUall year005
pHquarterly maximum≤ 9 SUall year005
pHmaximum≤ 9 SUall year005
pHmaximum≤ 9 SUall year005
pHmaximum≤ 9 SUall year005
pHmaximum≤ 9 SUall year005
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year005
Solids, total suspended30-day average≤ 35 mg/Lall year005
Solids, total suspended30-day average≤ 35 mg/Lall year005
Solids, total suspended30-day average≤ 35 mg/Lall year005
Solids, total suspended30-day average≤ 35 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, settleablequarterly maximum≤ .5 mL/Lall year005
Solids, settleablequarterly maximum≤ .5 mL/Lall year005
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year005
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year005
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year005
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year005
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year005
Chloride [as Cl]daily maximum≤ 500 mg/Lall year005
Chloride [as Cl]daily maximum≤ 500 mg/Lall year005
Chloride [as Cl]daily maximum≤ 500 mg/Lall year005
Chloride [as Cl]daily maximum≤ 500 mg/Lall year005
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year005
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year005
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year005
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year005
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year005
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year005
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year005
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year005
Iron, total [as Fe]30-day average≤ 3 mg/Lall year005
Iron, total [as Fe]30-day average≤ 3 mg/Lall year005
Iron, total [as Fe]30-day average≤ 3 mg/Lall year005
Iron, total [as Fe]30-day average≤ 3 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
pHminimum≥ 6 SUall year006
pHminimum≥ 6 SUall year006
pHquarterly minimum≥ 6 SUall year006
pHquarterly minimum≥ 6 SUall year006
pHquarterly minimum≥ 6 SUall year006
pHquarterly minimum≥ 6 SUall year006
pHminimum≥ 6.5 SUall year006
pHminimum≥ 6.5 SUall year006
pHmaximum≤ 9 SUall year006
pHmaximum≤ 9 SUall year006
pHquarterly maximum≤ 9 SUall year006
pHquarterly maximum≤ 9 SUall year006
pHquarterly maximum≤ 9 SUall year006
pHquarterly maximum≤ 9 SUall year006
pHmaximum≤ 9 SUall year006
pHmaximum≤ 9 SUall year006
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year006
Solids, total suspended30-day average≤ 35 mg/Lall year006
Solids, total suspended30-day average≤ 35 mg/Lall year006
Solids, total suspended30-day average≤ 35 mg/Lall year006
Solids, total suspended30-day average≤ 35 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, total suspendeddaily maximum≤ 70 mg/Lall year006
Solids, settleablequarterly maximum≤ .5 mL/Lall year006
Solids, settleablequarterly maximum≤ .5 mL/Lall year006
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year006
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year006
Chloride [as Cl]daily maximum≤ 500 mg/Lall year006
Chloride [as Cl]daily maximum≤ 500 mg/Lall year006
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year006
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year006
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year006
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year006
Chloride [as Cl]daily maximum≤ 500 mg/Lall year006
Chloride [as Cl]daily maximum≤ 500 mg/Lall year006
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year006
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year006
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year006
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year006
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year006
Sulfate, total [as SO4]quarterly maximum≤ 1550 mg/Lall year006
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year006
Sulfate, total [as SO4]daily maximum≤ 1550 mg/Lall year006
Iron, total [as Fe]30-day average≤ 3 mg/Lall year006
Iron, total [as Fe]30-day average≤ 3 mg/Lall year006
Iron, total [as Fe]30-day average≤ 3 mg/Lall year006
Iron, total [as Fe]30-day average≤ 3 mg/Lall year006
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year006
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year006
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year006
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year006
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year006
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year006
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year006
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
BOD, 5-day, 20 deg. C30-day average≤ 10 mg/Lall yearA06
BOD, 5-day, 20 deg. C30-day average≤ 10 mg/Lall yearA06
BOD, 5-day, 20 deg. Cdaily maximum≤ 20 mg/Lall yearA06
BOD, 5-day, 20 deg. Cdaily maximum≤ 20 mg/Lall yearA06
BOD, 5-day, 20 deg. C30-day average≤ .83 lb/dall yearA06
BOD, 5-day, 20 deg. C30-day average≤ .83 lb/dall yearA06
BOD, 5-day, 20 deg. Cdaily maximum≤ 1.67 lb/dall yearA06
BOD, 5-day, 20 deg. Cdaily maximum≤ 1.67 lb/dall yearA06
pHmonthly minimum≥ 6 SUall yearA06
pHmonthly minimum≥ 6 SUall yearA06
pHmonthly maximum≤ 9 SUall yearA06
pHmonthly maximum≤ 9 SUall yearA06
Solids, total suspended30-day average≤ 12 mg/Lall yearA06
Solids, total suspended30-day average≤ 12 mg/Lall yearA06
Solids, total suspendeddaily maximum≤ 24 mg/Lall yearA06
Solids, total suspendeddaily maximum≤ 24 mg/Lall yearA06
Solids, total suspended30-day average≤ 1 lb/dall yearA06
Solids, total suspended30-day average≤ 1 lb/dall yearA06
Solids, total suspendeddaily maximum≤ 2 lb/dall yearA06
Solids, total suspendeddaily maximum≤ 2 lb/dall yearA06
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearA06
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearA06
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearA06
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearA06

How strict are these limits?

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

Same industry: the 56 Coal Mining permits in Illinois.

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