Passage Data · Check a report · Use it from your AI

Knight Hawk Coal LLC

Bituminous Coal And Lignite - Surface, Cutler, Illinois. NPDES permit IL0080059 expired Jul 31, 2019; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form 1 quarterly (32 values), form 2 quarterly (16 values), form 3 quarterly (14 values), form 4 quarterly (32 values), form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 34 reports late

Limits in force (108)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHminimum≥ 6.5 SUall year
pHquarterly minimum≥ 6 SUall year
pHquarterly minimum≥ 6 SUall year
pHquarterly minimum≥ 6 SUall year
pHquarterly minimum≥ 6 SUall year
pHminimum≥ 6.5 SUall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
pHquarterly maximum≤ 9 SUall year
pHquarterly maximum≤ 9 SUall year
pHquarterly maximum≤ 9 SUall year
pHquarterly maximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year
Acidity, total [as CaCO3]daily maximumreport only (mg/L)all year
Solids, total suspended30-day average≤ 35 mg/Lall year
Solids, total suspended30-day average≤ 35 mg/Lall year
Solids, total suspended30-day average≤ 35 mg/Lall year
Solids, total suspended30-day average≤ 35 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Solids, settleablequarterly maximum≤ .5 mL/Lall year
Solids, settleablequarterly maximum≤ .5 mL/Lall year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Chloride [as Cl]daily maximum≤ 500 mg/Lall year
Chloride [as Cl]daily maximum≤ 500 mg/Lall year
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year
Chloride [as Cl]quarterly maximum≤ 500 mg/Lall year
Chloride [as Cl]daily maximum≤ 500 mg/Lall year
Chloride [as Cl]daily maximum≤ 500 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 1887 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 1887 mg/Lall year
Sulfate, total [as SO4]quarterly maximum≤ 1887 mg/Lall year
Sulfate, total [as SO4]quarterly maximum≤ 1887 mg/Lall year
Sulfate, total [as SO4]quarterly maximum≤ 1887 mg/Lall year
Sulfate, total [as SO4]quarterly maximum≤ 1887 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 1887 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 1887 mg/Lall year
Arsenic, total [as As]daily maximumreport only (mg/L)all year
Barium, total [as Ba]daily maximumreport only (mg/L)all year
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year
Chromium, total [as Cr]daily maximumreport only (mg/L)all year
Copper, total [as Cu]daily maximumreport only (mg/L)all year
Iron, total [as Fe]30-day average≤ 3 mg/Lall year
Iron, total [as Fe]30-day average≤ 3 mg/Lall year
Iron, total [as Fe]30-day average≤ 3 mg/Lall year
Iron, total [as Fe]30-day average≤ 3 mg/Lall year
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year
Lead, total [as Pb]daily maximumreport only (mg/L)all year
Manganese, total [as Mn]30-day average≤ 2 mg/Lall year
Manganese, total [as Mn]30-day average≤ 2 mg/Lall year
Manganese, total [as Mn]30-day average≤ 2 mg/Lall year
Manganese, total [as Mn]30-day average≤ 2 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year
Manganese, total [as Mn]daily maximumreport only (mg/L)all year
Nickel, total [as Ni]daily maximumreport only (mg/L)all year
Silver, total [as Ag]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]daily maximumreport only (mg/L)all year
Selenium, total [as Se]daily maximumreport only (ug/L)all year
Phenolics, total recoverabledaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Mercury, total [as Hg]daily maximumreport only (ng/L)all year
Mercury, total [as Hg]daily maximumreport only (ng/L)all year
Mercury, total [as Hg]daily maximumreport only (ng/L)all year
Mercury, total [as Hg]daily maximumreport only (ng/L)all year
Mercury, total [as Hg]daily maximumreport only (ng/L)all year

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.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0080059 · MCP: https://passage-data.com/mcp