CRONUS CHEMICALS

NPDES permit IL0080084 · Minor NON-POTW · effective, expires 2029-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

EPA's file shows no filings for this permit in this window. That is a statement about the file, not about the facility.

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 (100)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO MAX report only all year
001Cyanide, weak acid, dissociableDAILY MX report only all year
001Cyanide, weak acid, dissociableDAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Barium, total [as Ba]DAILY MX report only all year
001Barium, total [as Ba]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Antimony, total [as Sb]DAILY MX report only all year
001Antimony, total [as Sb]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Phenolics, total recoverableDAILY MX report only all year
001Phenolics, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
A01Sulfate [as S]DAILY MX report only all year
A01BOD, 5-day, 20 deg. C30DA AVG <= 10 mg/L all year
A01BOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
A01BOD, 5-day, 20 deg. C30DA AVG <= 138 lb/d all year
A01BOD, 5-day, 20 deg. CDAILY MX <= 352 lb/d all year
A01pHDAILY MN >= 6 SU all year
A01pHDAILY MX <= 9 SU all year
A01Solids, total suspended30DA AVG <= 12 mg/L all year
A01Solids, total suspendedDAILY MX <= 24 mg/L all year
A01Solids, total suspended30DA AVG <= 166 lb/d all year
A01Solids, total suspendedDAILY MX <= 422 lb/d all year
A01Oil & Grease30DA AVG <= 15 mg/L all year
A01Oil & GreaseDAILY MX <= 30 mg/L all year
A01Oil & Grease30DA AVG <= 207 lb/d all year
A01Oil & GreaseDAILY MX <= 528 lb/d all year
A01Nitrogen, total [as N]DAILY MX report only all year
A01Nitrogen, organic total [as N]30DA AVG <= 4416 lb/d all year
A01Nitrogen, organic total [as N]DAILY MX <= 8256 lb/d all year
A01Nitrogen, ammonia total [as N]30DA AVG <= 3.8 mg/L Jan, Feb, Nov, Dec
A01Nitrogen, ammonia total [as N]30DA AVG <= 1.8 mg/L Mar, Apr, May, Sep, Oct
A01Nitrogen, ammonia total [as N]30DA AVG <= 1.5 mg/L Jun, Jul, Aug
A01Nitrogen, ammonia total [as N]DAILY MX <= 7.4 mg/L Jan, Feb, Nov, Dec
A01Nitrogen, ammonia total [as N]DAILY MX <= 7.1 mg/L Mar, Apr, May, Sep, Oct
A01Nitrogen, ammonia total [as N]DAILY MX <= 9.8 mg/L Jun, Jul, Aug
A01Nitrogen, ammonia total [as N]30DA AVG <= 52 lb/d Jan, Feb, Nov, Dec
A01Nitrogen, ammonia total [as N]30DA AVG <= 25 lb/d Mar, Apr, May, Sep, Oct
A01Nitrogen, ammonia total [as N]30DA AVG <= 21 lb/d Jun, Jul, Aug
A01Nitrogen, ammonia total [as N]DAILY MX <= 102 lb/d Jan, Feb, Nov, Dec
A01Nitrogen, ammonia total [as N]DAILY MX <= 98 lb/d Mar, Apr, May, Sep, Oct
A01Nitrogen, ammonia total [as N]DAILY MX <= 136 lb/d Jun, Jul, Aug
A01Phosphorus, total [as P]30DA AVG <= 1 mg/L all year
A01Phosphorus, total [as P]30DA AVG <= 17 lb/d all year
A01Chloride [as Cl]DAILY MX report only all year
A01Iron, total [as Fe]30DA AVG <= 2 mg/L all year
A01Iron, total [as Fe]DAILY MX <= 4 mg/L all year
A01Iron, total [as Fe]30DA AVG <= 27 lb/d all year
A01Iron, total [as Fe]DAILY MX <= 70 lb/d all year
A01Zinc, total [as Zn]DAILY MX report only all year
A01Flow, in conduit or thru treatment plantMO AVG report only all year
A01Flow, in conduit or thru treatment plantDAILY MX report only all year
B01BOD, 5-day, 20 deg. C30DA AVG <= 10 mg/L all year
B01BOD, 5-day, 20 deg. CDAILY MX <= 20 mg/L all year
B01BOD, 5-day, 20 deg. C30DA AVG <= 1.3 lb/d all year
B01BOD, 5-day, 20 deg. CDAILY MX <= 2.5 lb/d all year
B01pHDAILY MN >= 6 SU all year
B01pHDAILY MX <= 9 SU all year
B01Solids, total suspended30DA AVG <= 12 mg/L all year
B01Solids, total suspendedDAILY MX <= 24 mg/L all year
B01Solids, total suspended30DA AVG <= 1.5 lb/d all year
B01Solids, total suspendedDAILY MX <= 3 lb/d all year
B01Nitrogen, ammonia total [as N]30DA AVG <= 3.8 mg/L Jan, Feb, Nov, Dec
B01Nitrogen, ammonia total [as N]30DA AVG <= 1.8 mg/L Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]30DA AVG <= 1.5 mg/L Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= 7.4 mg/L Jan, Feb, Nov, Dec
B01Nitrogen, ammonia total [as N]DAILY MX <= 7.1 mg/L Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]DAILY MX <= 9.8 mg/L Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]30DA AVG <= .48 lb/d Jan, Feb, Nov, Dec
B01Nitrogen, ammonia total [as N]30DA AVG <= .23 lb/d Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]30DA AVG <= .19 lb/d Jun, Jul, Aug
B01Nitrogen, ammonia total [as N]DAILY MX <= .93 lb/d Jan, Feb, Nov, Dec
B01Nitrogen, ammonia total [as N]DAILY MX <= .89 lb/d Mar, Apr, May, Sep, Oct
B01Nitrogen, ammonia total [as N]DAILY MX <= 1.2 lb/d Jun, Jul, Aug
B01Flow, in conduit or thru treatment plantMO AVG report only all year
B01Flow, in conduit or thru treatment plantDAILY MX report only all year
B01Chlorine, total residualDAILY MX <= .05 mg/L all year
B01Chlorine, total residualDAILY MX <= .0063 lb/d all year
B01Coliform, fecal generalDAILY MX <= 400 CFU/100mL all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states