Peabody Gateway North Mining, LLC — NPDES permit IL0079481: limits, due date and EPA's record

Bituminous Coal - Underground, Coulterville, Illinois. NPDES permit IL0079481, in force until May 31, 2031. Last 12 months: no values over a limit, 1 of 52 reports late. Source: EPA ECHO, Oct 22, 2026.

Limits in force (244)

Parameter	Statistic	Limit	Months	Outfall
pH	quarterly minimum	≥ 6 SU	all year	001
pH	quarterly minimum	≥ 6 SU	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	quarterly minimum	≥ 6 SU	all year	001
pH	quarterly minimum	≥ 6 SU	all year	001
pH	quarterly maximum	≤ 9 SU	all year	001
pH	quarterly maximum	≤ 9 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
pH	quarterly maximum	≤ 9 SU	all year	001
pH	quarterly maximum	≤ 9 SU	all year	001
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	30-day average	≤ 35 mg/L	all year	001
Solids, total suspended	30-day average	≤ 35 mg/L	all year	001
Solids, total suspended	30-day average	≤ 35 mg/L	all year	001
Solids, total suspended	30-day average	≤ 35 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	001
Solids, settleable	quarterly maximum	≤ .5 mL/L	all year	001
Solids, settleable	quarterly maximum	≤ .5 mL/L	all year	001
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	001
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	001
Chloride [as Cl]	quarterly maximum	≤ 500 mg/L	all year	001
Chloride [as Cl]	quarterly maximum	≤ 500 mg/L	all year	001
Chloride [as Cl]	daily maximum	≤ 500 mg/L	all year	001
Chloride [as Cl]	daily maximum	≤ 500 mg/L	all year	001
Chloride [as Cl]	daily maximum	≤ 500 mg/L	all year	001
Chloride [as Cl]	daily maximum	≤ 500 mg/L	all year	001
Chloride [as Cl]	quarterly maximum	≤ 500 mg/L	all year	001
Chloride [as Cl]	quarterly maximum	≤ 500 mg/L	all year	001
Sulfate, total [as SO4]	quarterly maximum	≤ 1367 mg/L	all year	001
Sulfate, total [as SO4]	quarterly maximum	≤ 1367 mg/L	all year	001
Sulfate, total [as SO4]	daily maximum	≤ 1367 mg/L	all year	001
Sulfate, total [as SO4]	daily maximum	≤ 1367 mg/L	all year	001
Sulfate, total [as SO4]	daily maximum	≤ 1367 mg/L	all year	001
Sulfate, total [as SO4]	daily maximum	≤ 1367 mg/L	all year	001
Sulfate, total [as SO4]	quarterly maximum	≤ 1367 mg/L	all year	001
Sulfate, total [as SO4]	quarterly maximum	≤ 1367 mg/L	all year	001
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	001
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	001
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	001
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	001
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	001
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	001
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	001
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	001
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	001
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	001
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	001
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	001
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	001
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	001
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	001
Manganese, total [as Mn]	30-day average	≤ 2 mg/L	all year	001
Manganese, total [as Mn]	30-day average	≤ 2 mg/L	all year	001
Manganese, total [as Mn]	30-day average	≤ 2 mg/L	all year	001
Manganese, total [as Mn]	30-day average	≤ 2 mg/L	all year	001
Manganese, total [as Mn]	daily maximum	≤ 4 mg/L	all year	001
Manganese, total [as Mn]	daily maximum	≤ 4 mg/L	all year	001
Manganese, total [as Mn]	daily maximum	≤ 4 mg/L	all year	001
Manganese, total [as Mn]	daily maximum	≤ 4 mg/L	all year	001
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	001
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	001
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	001
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	001
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	001
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	001
Selenium, total [as Se]	daily maximum	report only (ug/L)	all year	001
Selenium, total [as Se]	daily maximum	report only (ug/L)	all year	001
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	001
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
pH	quarterly minimum	≥ 6 SU	all year	002
pH	quarterly minimum	≥ 6 SU	all year	002
pH	minimum	≥ 6.5 SU	all year	002
pH	minimum	≥ 6.5 SU	all year	002
pH	minimum	≥ 6.5 SU	all year	002
pH	minimum	≥ 6.5 SU	all year	002
pH	quarterly minimum	≥ 6 SU	all year	002
pH	quarterly minimum	≥ 6 SU	all year	002
pH	quarterly maximum	≤ 9 SU	all year	002
pH	quarterly maximum	≤ 9 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
pH	quarterly maximum	≤ 9 SU	all year	002
pH	quarterly maximum	≤ 9 SU	all year	002
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Alkalinity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Acidity, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	30-day average	≤ 35 mg/L	all year	002
Solids, total suspended	30-day average	≤ 35 mg/L	all year	002
Solids, total suspended	30-day average	≤ 35 mg/L	all year	002
Solids, total suspended	30-day average	≤ 35 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	002
Solids, settleable	quarterly maximum	≤ .5 mL/L	all year	002
Solids, settleable	quarterly maximum	≤ .5 mL/L	all year	002
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	002
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	002
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Hardness, total [as CaCO3]	daily maximum	report only (mg/L)	all year	002
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	002
Hardness, total [as CaCO3]	quarterly maximum	report only (mg/L)	all year	002
Chloride [as Cl]	quarterly maximum	≤ 250 mg/L	all year	002
Chloride [as Cl]	quarterly maximum	≤ 250 mg/L	all year	002
Chloride [as Cl]	daily maximum	≤ 250 mg/L	all year	002
Chloride [as Cl]	daily maximum	≤ 250 mg/L	all year	002
Chloride [as Cl]	daily maximum	≤ 250 mg/L	all year	002
Chloride [as Cl]	daily maximum	≤ 250 mg/L	all year	002
Chloride [as Cl]	quarterly maximum	≤ 250 mg/L	all year	002
Chloride [as Cl]	quarterly maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	quarterly maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	quarterly maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	daily maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	daily maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	daily maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	daily maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	quarterly maximum	≤ 250 mg/L	all year	002
Sulfate, total [as SO4]	quarterly maximum	≤ 250 mg/L	all year	002
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	002
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	002
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	002
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	002
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	002
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	002
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	002
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	002
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	002
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	002
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	002
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	002
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	002
Iron, total [as Fe]	30-day average	≤ 3 mg/L	all year	002
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	002
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	002
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	002
Iron, total [as Fe]	daily maximum	≤ 6 mg/L	all year	002
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	002
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	002
Manganese, total [as Mn]	daily maximum	≤ 1 mg/L	all year	002
Manganese, total [as Mn]	daily maximum	≤ 1 mg/L	all year	002
Manganese, total [as Mn]	daily maximum	≤ 1 mg/L	all year	002
Manganese, total [as Mn]	daily maximum	≤ 1 mg/L	all year	002
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	002
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	002
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	002
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	002
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	002
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	002
Selenium, total [as Se]	daily maximum	report only (ug/L)	all year	002
Selenium, total [as Se]	daily maximum	report only (ug/L)	all year	002
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	002
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	annual average	≤ 500 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002
Solids, total dissolved	daily maximum	≤ 750 mg/L	all year	002

How strict are these limits?

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