KNIGHT HAWK COAL, LLC — NPDES permit IL0078026: limits, due date and EPA's record

NPDES permit IL0078026 · Minor NON-POTW · administratively continued, expires 2022-09-30 · EPA's file as of 2026-09-19

This permit expired on 2022-09-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among IL permits in EPA's filings — check your permit).

Limits in force (177)

Outfall	Parameter	Statistic	Limit	Months
001	pH	MINIMUM	>= 6 SU	all year
001	pH	QC	>= 6 SU	all year
001	pH	QC	>= 6 SU	all year
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	pH	QB	<= 9 SU	all year
001	pH	QB	<= 9 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
001	Acidity, total [as CaCO3]	DAILY MX	report only	all year
001	Acidity, total [as CaCO3]	DAILY MX	report only	all year
001	Solids, total suspended	30DA AVG	<= 35 mg/L	all year
001	Solids, total suspended	30DA AVG	<= 35 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
001	Solids, settleable	QB	<= .5 mL/L	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	QB	report only	all year
001	Hardness, total [as CaCO3]	QB	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Chloride [as Cl]	DAILY MX	<= 500 mg/L	all year
001	Chloride [as Cl]	QB	<= 500 mg/L	all year
001	Chloride [as Cl]	QB	<= 500 mg/L	all year
001	Chloride [as Cl]	DAILY MX	<= 500 mg/L	all year
001	Sulfate, total [as SO4]	DAILY MX	<= 1452 mg/L	all year
001	Sulfate, total [as SO4]	QB	<= 1452 mg/L	all year
001	Sulfate, total [as SO4]	QB	<= 1452 mg/L	all year
001	Sulfate, total [as SO4]	DAILY MX	<= 1452 mg/L	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Barium, total [as Ba]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Iron, total [as Fe]	30DA AVG	<= 3 mg/L	all year
001	Iron, total [as Fe]	30DA AVG	<= 3 mg/L	all year
001	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
001	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Manganese, total [as Mn]	30DA AVG	<= 2 mg/L	all year
001	Manganese, total [as Mn]	30DA AVG	<= 2 mg/L	all year
001	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
001	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
001	Manganese, total [as Mn]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Silver, total [as Ag]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Phenolics, total recoverable	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	QC	>= 6 SU	all year
002	pH	QC	>= 6 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	pH	QB	<= 9 SU	all year
002	pH	QB	<= 9 SU	all year
002	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
002	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
002	Acidity, total [as CaCO3]	DAILY MX	report only	all year
002	Acidity, total [as CaCO3]	DAILY MX	report only	all year
002	Solids, total suspended	30DA AVG	<= 35 mg/L	all year
002	Solids, total suspended	30DA AVG	<= 35 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
002	Solids, settleable	QB	<= .5 mL/L	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Hardness, total [as CaCO3]	QB	report only	all year
002	Hardness, total [as CaCO3]	QB	report only	all year
002	Chloride [as Cl]	DAILY MX	<= 500 mg/L	all year
002	Chloride [as Cl]	DAILY MX	<= 500 mg/L	all year
002	Chloride [as Cl]	QB	<= 500 mg/L	all year
002	Chloride [as Cl]	QB	<= 500 mg/L	all year
002	Sulfate, total [as SO4]	DAILY MX	<= 1452 mg/L	all year
002	Sulfate, total [as SO4]	DAILY MX	<= 1452 mg/L	all year
002	Sulfate, total [as SO4]	QB	<= 1452 mg/L	all year
002	Sulfate, total [as SO4]	QB	<= 1452 mg/L	all year
002	Arsenic, total [as As]	DAILY MX	report only	all year
002	Barium, total [as Ba]	DAILY MX	report only	all year
002	Cadmium, total [as Cd]	DAILY MX	report only	all year
002	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
002	Chromium, total [as Cr]	DAILY MX	report only	all year
002	Copper, total [as Cu]	DAILY MX	report only	all year
002	Iron, total [as Fe]	30DA AVG	<= 3 mg/L	all year
002	Iron, total [as Fe]	30DA AVG	<= 3 mg/L	all year
002	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
002	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Manganese, total [as Mn]	30DA AVG	<= 2 mg/L	all year
002	Manganese, total [as Mn]	30DA AVG	<= 2 mg/L	all year
002	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
002	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
002	Manganese, total [as Mn]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Silver, total [as Ag]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Selenium, total [as Se]	DAILY MX	report only	all year
002	Phenolics, total recoverable	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
003	pH	MINIMUM	>= 6.5 SU	all year
003	pH	QC	>= 6 SU	all year
003	pH	MINIMUM	>= 6 SU	all year
003	pH	QC	>= 6 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	pH	QB	<= 9 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	pH	QB	<= 9 SU	all year
003	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
003	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
003	Acidity, total [as CaCO3]	DAILY MX	report only	all year
003	Acidity, total [as CaCO3]	DAILY MX	report only	all year
003	Solids, total suspended	30DA AVG	<= 35 mg/L	all year
003	Solids, total suspended	30DA AVG	<= 35 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
003	Solids, settleable	QB	<= .5 mL/L	all year
003	Hardness, total [as CaCO3]	DAILY MX	report only	all year
003	Hardness, total [as CaCO3]	QB	report only	all year
003	Hardness, total [as CaCO3]	DAILY MX	report only	all year
003	Hardness, total [as CaCO3]	QB	report only	all year
003	Chloride [as Cl]	DAILY MX	<= 500 mg/L	all year
003	Chloride [as Cl]	QB	<= 500 mg/L	all year
003	Chloride [as Cl]	DAILY MX	<= 500 mg/L	all year
003	Chloride [as Cl]	QB	<= 500 mg/L	all year
003	Sulfate, total [as SO4]	DAILY MX	<= 1452 mg/L	all year
003	Sulfate, total [as SO4]	QB	<= 1452 mg/L	all year
003	Sulfate, total [as SO4]	DAILY MX	<= 1452 mg/L	all year
003	Sulfate, total [as SO4]	QB	<= 1452 mg/L	all year
003	Arsenic, total [as As]	DAILY MX	report only	all year
003	Barium, total [as Ba]	DAILY MX	report only	all year
003	Cadmium, total [as Cd]	DAILY MX	report only	all year
003	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
003	Chromium, total [as Cr]	DAILY MX	report only	all year
003	Copper, total [as Cu]	DAILY MX	report only	all year
003	Iron, total [as Fe]	30DA AVG	<= 3 mg/L	all year
003	Iron, total [as Fe]	30DA AVG	<= 3 mg/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Manganese, total [as Mn]	30DA AVG	<= 2 mg/L	all year
003	Manganese, total [as Mn]	30DA AVG	<= 2 mg/L	all year
003	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
003	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
003	Manganese, total [as Mn]	DAILY MX	report only	all year
003	Nickel, total [as Ni]	DAILY MX	report only	all year
003	Silver, total [as Ag]	DAILY MX	report only	all year
003	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Selenium, total [as Se]	DAILY MX	report only	all year
003	Phenolics, total recoverable	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Mercury, total [as Hg]	DAILY MX	report only	all year