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Americas Styrenics, LLC

Plastics Materials And Resins, Channahon, Illinois. NPDES permit IL0079090 expired Jun 30, 2025; 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 0 monthly (9 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (111)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year
pHmonthly minimum≥ 6 SUall year
pHmonthly maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Oil & Grease30-day average≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 30 mg/Lall year
Zinc, total [as Zn]quarterly averagereport only (mg/L)Jan, Apr, Jul, Oct
Zinc, total [as Zn]quarterly maximumreport only (mg/L)Jan, Apr, Jul, Oct
Carbon tetrachloride30-day average≤ .142 mg/LMay, Oct
Carbon tetrachloridedaily maximum≤ .38 mg/LMay, Oct
Chloroform30-day average≤ .111 mg/LMay, Oct
Chloroformdaily maximum≤ .325 mg/LMay, Oct
Toluene30-day average≤ .028 mg/LMay, Oct
Toluenedaily maximum≤ .074 mg/LMay, Oct
Benzene30-day average≤ .057 mg/LMay, Oct
Benzenedaily maximum≤ .134 mg/LMay, Oct
Acenaphthylene30-day average≤ .019 mg/LMay, Oct
Acenaphthylenedaily maximum≤ .047 mg/LMay, Oct
Acenaphthene30-day average≤ .019 mg/LMay, Oct
Acenaphthenedaily maximum≤ .047 mg/LMay, Oct
Acrylonitrile30-day average≤ .094 mg/LMay, Oct
Acrylonitriledaily maximum≤ .232 mg/LMay, Oct
Anthracene30-day average≤ .019 mg/LMay, Oct
Anthracenedaily maximum≤ .047 mg/LMay, Oct
Benzo[k]fluoranthene30-day average≤ .019 mg/LMay, Oct
Benzo[k]fluoranthenedaily maximum≤ .047 mg/LMay, Oct
Benzo[a]pyrene30-day average≤ .02 mg/LMay, Oct
Benzo[a]pyrenedaily maximum≤ .048 mg/LMay, Oct
Chlorobenzene30-day average≤ .142 mg/LMay, Oct
Chlorobenzenedaily maximum≤ .38 mg/LMay, Oct
Chrysene30-day average≤ .019 mg/LMay, Oct
Chrysenedaily maximum≤ .047 mg/LMay, Oct
Diethyl phthalate30-day average≤ .046 mg/LMay, Oct
Diethyl phthalatedaily maximum≤ .113 mg/LMay, Oct
Dimethyl phthalate30-day average≤ .019 mg/LMay, Oct
Dimethyl phthalatedaily maximum≤ .047 mg/LMay, Oct
Ethylbenzene30-day average≤ .014 mg/LMay, Oct
Ethylbenzenedaily maximum≤ .15 mg/LMay, Oct
Fluoranthene30-day average≤ .022 mg/LMay, Oct
Fluoranthenedaily maximum≤ .054 mg/LMay, Oct
Fluorene30-day average≤ .019 mg/LMay, Oct
Fluorenedaily maximum≤ .047 mg/LMay, Oct
Hexachloroethane30-day average≤ .196 mg/LMay, Oct
Hexachloroethanedaily maximum≤ .794 mg/LMay, Oct
Methyl chloride [Chloromethane]30-day average≤ .11 mg/LMay, Oct
Methyl chloride [Chloromethane]daily maximum≤ .295 mg/LMay, Oct
Methylene chloride30-day average≤ .036 mg/LMay, Oct
Methylene chloridedaily maximum≤ .17 mg/LMay, Oct
Nitrobenzene30-day average≤ 2.237 mg/LMay, Oct
Nitrobenzenedaily maximum≤ 6.402 mg/LMay, Oct
Phenanthrene30-day average≤ .019 mg/LMay, Oct
Phenanthrenedaily maximum≤ .047 mg/LMay, Oct
Pyrene30-day average≤ .02 mg/LMay, Oct
Pyrenedaily maximum≤ .048 mg/LMay, Oct
Tetrachloroethylene30-day average≤ .052 mg/LMay, Oct
Tetrachloroethylenedaily maximum≤ .164 mg/LMay, Oct
1,1-Dichloroethane30-day average≤ .022 mg/LMay, Oct
1,1-Dichloroethanedaily maximum≤ .059 mg/LMay, Oct
1,1-Dichloroethylene30-day average≤ .022 mg/LMay, Oct
1,1-Dichloroethylenedaily maximum≤ .059 mg/LMay, Oct
1,1,1-Trichloroethane30-day average≤ .022 mg/LMay, Oct
1,1,1-Trichloroethanedaily maximum≤ .059 mg/LMay, Oct
1,1,2-Trichloroethane30-day average≤ .032 mg/LMay, Oct
1,1,2-Trichloroethanedaily maximum≤ .127 mg/LMay, Oct
Benzo[a]anthracene30-day average≤ .019 mg/LMay, Oct
Benzo[a]anthracenedaily maximum≤ .047 mg/LMay, Oct
1,2-Dichloroethane, total weight30-day average≤ .18 mg/LMay, Oct
1,2-Dichloroethane, total weightdaily maximum≤ .574 mg/LMay, Oct
1,2-Dichlorobenzene30-day average≤ .196 mg/LMay, Oct
1,2-Dichlorobenzenedaily maximum≤ .794 mg/LMay, Oct
1,2-Dichloropropane30-day average≤ .196 mg/LMay, Oct
1,2-Dichloropropanedaily maximum≤ .794 mg/LMay, Oct
trans-1,2-Dichloroethylene30-day average≤ .025 mg/LMay, Oct
trans-1,2-Dichloroethylenedaily maximum≤ .066 mg/LMay, Oct
1,2,4-Trichlorobenzene30-day average≤ .196 mg/LMay, Oct
1,2,4-Trichlorobenzenedaily maximum≤ .794 mg/LMay, Oct
1,3-Dichlorobenzene30-day average≤ .142 mg/LMay, Oct
1,3-Dichlorobenzenedaily maximum≤ .38 mg/LMay, Oct
1,4-Dichlorobenzene30-day average≤ .142 mg/LMay, Oct
1,4-Dichlorobenzenedaily maximum≤ .38 mg/LMay, Oct
2-Nitrophenol30-day average≤ .065 mg/LMay, Oct
2-Nitrophenoldaily maximum≤ .231 mg/LMay, Oct
2,4-Dimethylphenol30-day average≤ .019 mg/LMay, Oct
2,4-Dimethylphenoldaily maximum≤ .047 mg/LMay, Oct
2,4-Dinitrophenol30-day average≤ 1.207 mg/LMay, Oct
2,4-Dinitrophenoldaily maximum≤ 4.291 mg/LMay, Oct
4,6-Dinitro-o-cresol30-day average≤ .078 mg/LMay, Oct
4,6-Dinitro-o-cresoldaily maximum≤ .277 mg/LMay, Oct
Phenol30-day average≤ .019 mg/LMay, Oct
Phenoldaily maximum≤ .047 mg/LMay, Oct
Naphthalene30-day average≤ .019 mg/LMay, Oct
Naphthalenedaily maximum≤ .047 mg/LMay, Oct
Di[2-ethylhexyl] phthalate [DEHP]30-day average≤ .095 mg/LMay, Oct
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .258 mg/LMay, Oct
Di-n-butyl phthalate30-day average≤ .02 mg/LMay, Oct
Di-n-butyl phthalatedaily maximum≤ .043 mg/LMay, Oct
Vinyl chloride30-day average≤ .097 mg/LMay, Oct
Vinyl chloridedaily maximum≤ .172 mg/LMay, Oct
Trichloroethylene30-day average≤ .026 mg/LMay, Oct
Trichloroethylenedaily maximum≤ .069 mg/LMay, Oct
Hexachlorobenzene30-day average≤ .196 mg/LMay, Oct
Hexachlorobenzenedaily maximum≤ .794 mg/LMay, Oct
Hexachlorobutadiene30-day average≤ .142 mg/LMay, Oct
Hexachlorobutadienedaily maximum≤ .38 mg/LMay, Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
1,3-Dichloropropylene30-day average≤ .196 mg/LMay, Oct
1,3-Dichloropropylenedaily maximum≤ .794 mg/LMay, Oct
3,4-Benzofluoranthene30-day average≤ .02 mg/LMay, Oct
3,4-Benzofluoranthenedaily maximum≤ .048 mg/LMay, Oct

How strict are these limits?

Cited limits by parameter: Illinois's rules and the federal ones.

Same industry: the 58 Chemicals and Allied Products permits in Illinois.

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