TESSENDERLO KERLEY INC — NPDES permit IL0080096: limits, due date and EPA's record

NPDES permit IL0080096 · Minor NON-POTW · effective, expires 2028-05-31 · EPA's file as of 2026-09-19

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 (238)

Outfall	Parameter	Statistic	Limit	Months
001	BOD, 5-day, 20 deg. C	30DA AVG	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 60 mg/L	all year
001	BOD, 5-day, 20 deg. C	30DA AVG	report only	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	30DA AVG	<= 30 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 60 mg/L	all year
001	Solids, total suspended	30DA AVG	report only	all year
001	Solids, total suspended	DAILY MX	report only	all year
001	Oil & Grease	30DA AVG	<= 15 mg/L	all year
001	Oil & Grease	DAILY MX	<= 30 mg/L	all year
001	Oil & Grease	DAILY MX	report only	all year
001	Oil & Grease	DAILY MX	report only	all year
001	Oil & Grease	30DA AVG	report only	all year
001	Oil & Grease	DAILY MX	report only	all year
001	Nitrogen, organic total [as N]	30DA AVG	report only	all year
001	Nitrogen, organic total [as N]	DAILY MX	report only	all year
001	Nitrogen, organic total [as N]	30DA AVG	report only	all year
001	Nitrogen, organic total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	30DA AVG	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	30DA AVG	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	30DA AVG	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	30DA AVG	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	30DA AVG	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	30DA AVG	report only	all year
001	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Chloride [as Cl]	DAILY MX	report only	all year
001	Chloride [as Cl]	DAILY MX	report only	all year
001	Sulfate, total [as SO4]	DAILY MX	report only	all year
001	Sulfate, total [as SO4]	DAILY MX	report only	all year
001	Fluoride, total [as F]	DAILY MX	report only	all year
001	Fluoride, total [as F]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	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	Barium, total [as Ba]	DAILY MX	report only	all year
001	Boron, total [as B]	DAILY MX	report only	all year
001	Boron, total [as B]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	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, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, total [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	Copper, total [as Cu]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, dissolved [as Fe]	DAILY MX	report only	all year
001	Iron, dissolved [as Fe]	DAILY MX	report only	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Manganese, total [as Mn]	DAILY MX	report only	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	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Silver, total [as Ag]	DAILY MX	report only	all year
001	Silver, total [as Ag]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	30DA AVG	<= 1 mg/L	all year
001	Zinc, total [as Zn]	DAILY MX	<= 2 mg/L	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	30DA AVG	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	Selenium, total [as Se]	DAILY MX	report only	all year
001	Phenolics, total recoverable	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	DAILY MX	report only	all year
001	Chlorine, total residual	30DA AVG	report only	all year
001	Chlorine, total residual	DAILY MX	report only	all year
001	Chlorine, total residual	30DA AVG	report only	all year
001	Chlorine, total residual	DAILY MX	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Solids, total suspended	DAILY MX	report only	all year
002	Oil & Grease	DAILY MX	report only	all year
002	Oil & Grease	DAILY MX	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Mar, Apr, May
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Mar, Apr, May
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.8 mg/L	Jun, Jul, Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.8 mg/L	Jun, Jul, Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Sep, Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Sep, Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.6 mg/L	Jan, Feb, Nov, Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.6 mg/L	Jan, Feb, Nov, Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Mar, Apr, May
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Mar, Apr, May
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jun, Jul, Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jun, Jul, Aug
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Sep, Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Sep, Oct
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jan, Feb, Nov, Dec
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jan, Feb, Nov, Dec
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
002	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Sulfate, total [as SO4]	DAILY MX	report only	all year
002	Sulfate, total [as SO4]	DAILY MX	report only	all year
002	Fluoride, total [as F]	DAILY MX	report only	all year
002	Fluoride, total [as F]	DAILY MX	report only	all year
002	Arsenic, total [as As]	DAILY MX	report only	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	Barium, total [as Ba]	DAILY MX	report only	all year
002	Boron, total [as B]	DAILY MX	report only	all year
002	Boron, total [as B]	DAILY MX	report only	all year
002	Cadmium, total [as Cd]	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, hexavalent [as Cr]	DAILY MX	report only	all year
002	Chromium, total [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	Copper, total [as Cu]	DAILY MX	report only	all year
002	Iron, total [as Fe]	DAILY MX	report only	all year
002	Iron, total [as Fe]	DAILY MX	report only	all year
002	Iron, dissolved [as Fe]	DAILY MX	report only	all year
002	Iron, dissolved [as Fe]	DAILY MX	report only	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Manganese, total [as Mn]	DAILY MX	report only	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	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Silver, total [as Ag]	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	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Selenium, total [as Se]	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	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	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
002	Mercury, total [as Hg]	DAILY MX	report only	all year
003	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
003	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
003	pH	MINIMUM	>= 6.5 SU	all year
003	pH	MINIMUM	>= 6.5 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	Solids, total suspended	DAILY MX	report only	all year
003	Solids, total suspended	DAILY MX	report only	all year
003	Oil & Grease	DAILY MX	report only	all year
003	Oil & Grease	DAILY MX	report only	all year
003	Nitrogen, total [as N]	DAILY MX	report only	all year
003	Nitrogen, total [as N]	DAILY MX	report only	all year
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Mar, Apr, May
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Mar, Apr, May
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.8 mg/L	Jun, Jul, Aug
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.8 mg/L	Jun, Jul, Aug
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Sep, Oct
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 4.2 mg/L	Sep, Oct
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.6 mg/L	Jan, Feb, Nov, Dec
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.6 mg/L	Jan, Feb, Nov, Dec
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Mar, Apr, May
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Mar, Apr, May
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jun, Jul, Aug
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jun, Jul, Aug
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Sep, Oct
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Sep, Oct
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jan, Feb, Nov, Dec
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	Jan, Feb, Nov, Dec
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
003	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
003	Chloride [as Cl]	DAILY MX	report only	all year
003	Chloride [as Cl]	DAILY MX	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Sulfate, total [as SO4]	DAILY MX	report only	all year
003	Fluoride, total [as F]	DAILY MX	report only	all year
003	Fluoride, total [as F]	DAILY MX	report only	all year
003	Arsenic, total [as As]	DAILY MX	report only	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	Barium, total [as Ba]	DAILY MX	report only	all year
003	Boron, total [as B]	DAILY MX	report only	all year
003	Boron, total [as B]	DAILY MX	report only	all year
003	Cadmium, total [as Cd]	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, hexavalent [as Cr]	DAILY MX	report only	all year
003	Chromium, total [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	Copper, total [as Cu]	DAILY MX	report only	all year
003	Iron, total [as Fe]	DAILY MX	report only	all year
003	Iron, total [as Fe]	DAILY MX	report only	all year
003	Iron, dissolved [as Fe]	DAILY MX	report only	all year
003	Iron, dissolved [as Fe]	DAILY MX	report only	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Lead, total [as Pb]	DAILY MX	report only	all year
003	Manganese, total [as Mn]	DAILY MX	report only	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	Nickel, total [as Ni]	DAILY MX	report only	all year
003	Silver, total [as Ag]	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	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Selenium, total [as Se]	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	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	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
003	Mercury, total [as Hg]	DAILY MX	report only	all year