Equistar Chemicals, LP — NPDES permit IL0002917: limits, due date and EPA's record

Plastics Materials And Resins, major discharger, Morris, Illinois. NPDES permit IL0002917 expired Apr 30, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (525)

Parameter	Statistic	Limit	Months	Outfall
BOD, 5-day, 20 deg. C	30-day average	≤ 20 mg/L	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 40 mg/L	all year	001
BOD, 5-day, 20 deg. C	30-day average	≤ 251 lb/d	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 572 lb/d	all year	001
pH	monthly minimum	≥ 6 SU	all year	001
pH	monthly maximum	≤ 9 SU	all year	001
Solids, total suspended	30-day average	≤ 25 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 50 mg/L	all year	001
Solids, total suspended	30-day average	≤ 313 lb/d	all year	001
Solids, total suspended	daily maximum	≤ 721 lb/d	all year	001
Nitrogen, total [as N]	30-day average	report only (mg/L)	all year	001
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	001
Phosphorus, total [as P]	30-day average	report only (mg/L)	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Cyanide, total [as CN]	30-day average	≤ .015 mg/L	Mar, Jun, Sep, Dec	001
Cyanide, total [as CN]	daily maximum	≤ .03 mg/L	Mar, Jun, Sep, Dec	001
Cyanide, total [as CN]	30-day average	≤ .22 lb/d	Mar, Jun, Sep, Dec	001
Cyanide, total [as CN]	daily maximum	≤ .43 lb/d	Mar, Jun, Sep, Dec	001
Chromium, total [as Cr]	30-day average	≤ .39 mg/L	Jun, Dec	001
Chromium, total [as Cr]	daily maximum	≤ 2 mg/L	Jun, Dec	001
Chromium, total [as Cr]	30-day average	≤ 4.9 lb/d	Jun, Dec	001
Chromium, total [as Cr]	daily maximum	≤ 12 lb/d	Jun, Dec	001
Copper, total [as Cu]	30-day average	≤ .113 mg/L	Mar, Jun, Sep, Dec	001
Copper, total [as Cu]	daily maximum	≤ .13 mg/L	Mar, Jun, Sep, Dec	001
Copper, total [as Cu]	30-day average	≤ 1.6 lb/d	Mar, Jun, Sep, Dec	001
Copper, total [as Cu]	daily maximum	≤ 1.9 lb/d	Mar, Jun, Sep, Dec	001
Lead, total [as Pb]	30-day average	≤ .2 mg/L	Jun, Dec	001
Lead, total [as Pb]	daily maximum	≤ .258 mg/L	Jun, Dec	001
Lead, total [as Pb]	30-day average	≤ 1.4 lb/d	Jun, Dec	001
Lead, total [as Pb]	daily maximum	≤ 3.1 lb/d	Jun, Dec	001
Nickel, total [as Ni]	daily maximum	≤ 1 mg/L	all year	001
Nickel, total [as Ni]	daily maximum	≤ 14.4 lb/d	all year	001
Zinc, total [as Zn]	daily maximum	≤ 1 mg/L	Mar, Jun, Sep, Dec	001
Zinc, total [as Zn]	daily maximum	≤ 14.4 lb/d	Mar, Jun, Sep, Dec	001
Oil and grease	30-day average	≤ 15 mg/L	all year	001
Oil and grease	daily maximum	≤ 30 mg/L	all year	001
Oil and grease	30-day average	≤ 192 lb/d	all year	001
Oil and grease	daily maximum	≤ 482 lb/d	all year	001
Carbon tetrachloride	30-day average	≤ .014 mg/L	Jun, Dec	001
Carbon tetrachloride	daily maximum	≤ .038 mg/L	Jun, Dec	001
Carbon tetrachloride	30-day average	≤ .17 lb/d	Jun, Dec	001
Carbon tetrachloride	daily maximum	≤ .38 lb/d	Jun, Dec	001
1,2-Dichloroethane	30-day average	≤ .023 mg/L	Jun, Dec	001
1,2-Dichloroethane	daily maximum	≤ .211 mg/L	Jun, Dec	001
1,2-Dichloroethane	30-day average	≤ .29 lb/d	Jun, Dec	001
1,2-Dichloroethane	daily maximum	≤ 2.1 lb/d	Jun, Dec	001
Chloroform	30-day average	≤ .021 mg/L	Jun, Dec	001
Chloroform	daily maximum	≤ .046 mg/L	Jun, Dec	001
Chloroform	30-day average	≤ .21 lb/d	Jun, Dec	001
Chloroform	daily maximum	≤ .46 lb/d	Jun, Dec	001
Toluene	30-day average	≤ .026 mg/L	Jun, Dec	001
Toluene	daily maximum	≤ .08 mg/L	Jun, Dec	001
Toluene	30-day average	≤ .26 lb/d	Jun, Dec	001
Toluene	daily maximum	≤ .8 lb/d	Jun, Dec	001
Benzene	30-day average	≤ .021 mg/L	all year	001
Benzene	daily maximum	≤ .136 mg/L	all year	001
Benzene	30-day average	≤ .27 lb/d	all year	001
Benzene	daily maximum	≤ 1.4 lb/d	all year	001
Acenaphthylene	30-day average	≤ .022 mg/L	Mar, Jun, Sep, Dec	001
Acenaphthylene	daily maximum	≤ .059 mg/L	Mar, Jun, Sep, Dec	001
Acenaphthylene	30-day average	≤ .22 lb/d	Mar, Jun, Sep, Dec	001
Acenaphthylene	daily maximum	≤ .59 lb/d	Mar, Jun, Sep, Dec	001
Acenaphthene	30-day average	≤ .01 mg/L	Jun, Dec	001
Acenaphthene	daily maximum	≤ .059 mg/L	Jun, Dec	001
Acenaphthene	30-day average	≤ .12 lb/d	Jun, Dec	001
Acenaphthene	daily maximum	≤ .59 lb/d	Jun, Dec	001
Acrylonitrile	30-day average	≤ .096 mg/L	Jun, Dec	001
Acrylonitrile	daily maximum	≤ .242 mg/L	Jun, Dec	001
Acrylonitrile	30-day average	≤ .96 lb/d	Jun, Dec	001
Acrylonitrile	daily maximum	≤ 2.4 lb/d	Jun, Dec	001
Anthracene	30-day average	≤ .022 mg/L	Jun, Dec	001
Anthracene	daily maximum	≤ .059 mg/L	Jun, Dec	001
Anthracene	30-day average	≤ .22 lb/d	Jun, Dec	001
Anthracene	daily maximum	≤ .59 lb/d	Jun, Dec	001
Benzo[k]fluoranthene	30-day average	≤ .008 mg/L	Jun, Dec	001
Benzo[k]fluoranthene	daily maximum	≤ .059 mg/L	Jun, Dec	001
Benzo[k]fluoranthene	30-day average	≤ .099 lb/d	Jun, Dec	001
Benzo[k]fluoranthene	daily maximum	≤ .59 lb/d	Jun, Dec	001
Benzo[a]pyrene	30-day average	≤ .008 mg/L	Jun, Dec	001
Benzo[a]pyrene	daily maximum	≤ .026 mg/L	Jun, Dec	001
Benzo[a]pyrene	30-day average	≤ .099 lb/d	Jun, Dec	001
Benzo[a]pyrene	daily maximum	≤ .023 lb/d	Jun, Dec	001
Chlorobenzene	30-day average	≤ .015 mg/L	Jun, Dec	001
Chlorobenzene	daily maximum	≤ .028 mg/L	Jun, Dec	001
Chlorobenzene	30-day average	≤ .15 lb/d	Jun, Dec	001
Chlorobenzene	daily maximum	≤ .28 lb/d	Jun, Dec	001
Chrysene	30-day average	≤ .008 mg/L	Jun, Dec	001
Chrysene	daily maximum	≤ .059 mg/L	Jun, Dec	001
Chrysene	30-day average	≤ .099 lb/d	Jun, Dec	001
Chrysene	daily maximum	≤ .59 lb/d	Jun, Dec	001
Diethyl phthalate	30-day average	≤ .081 mg/L	Jun, Dec	001
Diethyl phthalate	daily maximum	≤ .203 mg/L	Jun, Dec	001
Diethyl phthalate	30-day average	≤ .81 lb/d	Jun, Dec	001
Diethyl phthalate	daily maximum	≤ 2 lb/d	Jun, Dec	001
Dimethyl phthalate	30-day average	≤ .019 mg/L	Jun, Dec	001
Dimethyl phthalate	daily maximum	≤ .047 mg/L	Jun, Dec	001
Dimethyl phthalate	30-day average	≤ .19 lb/d	Jun, Dec	001
Dimethyl phthalate	daily maximum	≤ .47 lb/d	Jun, Dec	001
Ethylbenzene	30-day average	≤ .014 mg/L	Jun, Dec	001
Ethylbenzene	daily maximum	≤ .15 mg/L	Jun, Dec	001
Ethylbenzene	30-day average	≤ .2 lb/d	Jun, Dec	001
Ethylbenzene	daily maximum	≤ 3.1 lb/d	Jun, Dec	001
Fluoranthene	30-day average	≤ .025 mg/L	Jun, Dec	001
Fluoranthene	daily maximum	≤ .068 mg/L	Jun, Dec	001
Fluoranthene	30-day average	≤ .25 lb/d	Jun, Dec	001
Fluoranthene	daily maximum	≤ .68 lb/d	Jun, Dec	001
Fluorene	30-day average	≤ .022 mg/L	Jun, Dec	001
Fluorene	daily maximum	≤ .059 mg/L	Jun, Dec	001
Fluorene	30-day average	≤ .22 lb/d	Jun, Dec	001
Fluorene	daily maximum	≤ .59 lb/d	Jun, Dec	001
Hexachloroethane	30-day average	≤ .021 mg/L	Jun, Dec	001
Hexachloroethane	daily maximum	≤ .054 mg/L	Jun, Dec	001
Hexachloroethane	30-day average	≤ .21 lb/d	Jun, Dec	001
Hexachloroethane	daily maximum	≤ .54 lb/d	Jun, Dec	001
Methyl chloride [Chloromethane]	30-day average	≤ .086 mg/L	Jun, Dec	001
Methyl chloride [Chloromethane]	daily maximum	≤ .19 mg/L	Jun, Dec	001
Methyl chloride [Chloromethane]	30-day average	≤ .86 lb/d	Jun, Dec	001
Methyl chloride [Chloromethane]	daily maximum	≤ 1.9 lb/d	Jun, Dec	001
Methylene chloride	30-day average	≤ .04 mg/L	Jun, Dec	001
Methylene chloride	daily maximum	≤ .089 mg/L	Jun, Dec	001
Methylene chloride	30-day average	≤ .4 lb/d	Jun, Dec	001
Methylene chloride	daily maximum	≤ .89 lb/d	Jun, Dec	001
Nitrobenzene	30-day average	≤ .027 mg/L	Jun, Dec	001
Nitrobenzene	daily maximum	≤ .068 mg/L	Jun, Dec	001
Nitrobenzene	30-day average	≤ .27 lb/d	Jun, Dec	001
Nitrobenzene	daily maximum	≤ .68 lb/d	Jun, Dec	001
Phenanthrene	30-day average	≤ .022 mg/L	Jun, Dec	001
Phenanthrene	daily maximum	≤ .046 mg/L	Jun, Dec	001
Phenanthrene	30-day average	≤ .22 lb/d	Jun, Dec	001
Phenanthrene	daily maximum	≤ .57 lb/d	Jun, Dec	001
Pyrene	30-day average	≤ .025 mg/L	Jun, Dec	001
Pyrene	daily maximum	≤ .067 mg/L	Jun, Dec	001
Pyrene	30-day average	≤ .25 lb/d	Jun, Dec	001
Pyrene	daily maximum	≤ .67 lb/d	Jun, Dec	001
1,1-Dichloroethane	30-day average	≤ .022 mg/L	Jun, Dec	001
1,1-Dichloroethane	daily maximum	≤ .059 mg/L	Jun, Dec	001
1,1-Dichloroethane	30-day average	≤ .22 lb/d	Jun, Dec	001
1,1-Dichloroethane	daily maximum	≤ .59 lb/d	Jun, Dec	001
1,1-Dichloroethylene	30-day average	≤ .014 mg/L	Jun, Dec	001
1,1-Dichloroethylene	daily maximum	≤ .025 mg/L	Jun, Dec	001
1,1-Dichloroethylene	30-day average	≤ .16 lb/d	Jun, Dec	001
1,1-Dichloroethylene	daily maximum	≤ .25 lb/d	Jun, Dec	001
1,1,1-Trichloroethane	30-day average	≤ .021 mg/L	Jun, Dec	001
1,1,1-Trichloroethane	daily maximum	≤ .054 mg/L	Jun, Dec	001
1,1,1-Trichloroethane	30-day average	≤ .21 lb/d	Jun, Dec	001
1,1,1-Trichloroethane	daily maximum	≤ .54 lb/d	Jun, Dec	001
1,1,2-Trichloroethane	30-day average	≤ .014 mg/L	Jun, Dec	001
1,1,2-Trichloroethane	daily maximum	≤ .054 mg/L	Jun, Dec	001
1,1,2-Trichloroethane	30-day average	≤ .17 lb/d	Jun, Dec	001
1,1,2-Trichloroethane	daily maximum	≤ .54 lb/d	Jun, Dec	001
Benzo[a]anthracene	30-day average	≤ .008 mg/L	Jun, Dec	001
Benzo[a]anthracene	daily maximum	≤ .026 mg/L	Jun, Dec	001
Benzo[a]anthracene	30-day average	≤ .009 lb/d	Jun, Dec	001
Benzo[a]anthracene	daily maximum	≤ .32 lb/d	Jun, Dec	001
1,2-Dichlorobenzene	30-day average	≤ .027 mg/L	Jun, Dec	001
1,2-Dichlorobenzene	daily maximum	≤ .059 mg/L	Jun, Dec	001
1,2-Dichlorobenzene	30-day average	≤ .27 lb/d	Jun, Dec	001
1,2-Dichlorobenzene	daily maximum	≤ .59 lb/d	Jun, Dec	001
1,2-Dichloropropane	30-day average	≤ .153 mg/L	Jun, Dec	001
1,2-Dichloropropane	daily maximum	≤ .23 mg/L	Jun, Dec	001
1,2-Dichloropropane	30-day average	≤ 1.5 lb/d	Jun, Dec	001
1,2-Dichloropropane	daily maximum	≤ 2.3 lb/d	Jun, Dec	001
trans-1,2-Dichloroethylene	30-day average	≤ .021 mg/L	Jun, Dec	001
trans-1,2-Dichloroethylene	daily maximum	≤ .054 mg/L	Jun, Dec	001
trans-1,2-Dichloroethylene	30-day average	≤ .21 lb/d	Jun, Dec	001
trans-1,2-Dichloroethylene	daily maximum	≤ .54 lb/d	Jun, Dec	001
1,2,4-Trichlorobenzene	30-day average	≤ .029 mg/L	Jun, Dec	001
1,2,4-Trichlorobenzene	daily maximum	≤ .14 mg/L	Jun, Dec	001
1,2,4-Trichlorobenzene	30-day average	≤ .36 lb/d	Jun, Dec	001
1,2,4-Trichlorobenzene	daily maximum	≤ 1.4 lb/d	Jun, Dec	001
1,3-Dichlorobenzene	30-day average	≤ .031 mg/L	Jun, Dec	001
1,3-Dichlorobenzene	daily maximum	≤ .044 mg/L	Jun, Dec	001
1,3-Dichlorobenzene	30-day average	≤ .31 lb/d	Jun, Dec	001
1,3-Dichlorobenzene	daily maximum	≤ .44 lb/d	Jun, Dec	001
1,4-Dichlorobenzene	30-day average	≤ .015 mg/L	Jun, Dec	001
1,4-Dichlorobenzene	daily maximum	≤ .028 mg/L	Jun, Dec	001
1,4-Dichlorobenzene	30-day average	≤ .15 lb/d	Jun, Dec	001
1,4-Dichlorobenzene	daily maximum	≤ .28 lb/d	Jun, Dec	001
2-Chlorophenol	30-day average	≤ .031 mg/L	Jun, Dec	001
2-Chlorophenol	daily maximum	≤ .098 mg/L	Jun, Dec	001
2-Chlorophenol	30-day average	≤ .31 lb/d	Jun, Dec	001
2-Chlorophenol	daily maximum	≤ .98 lb/d	Jun, Dec	001
2-Nitrophenol	30-day average	≤ .041 mg/L	Jun, Dec	001
2-Nitrophenol	daily maximum	≤ .069 mg/L	Jun, Dec	001
2-Nitrophenol	30-day average	≤ .41 lb/d	Jun, Dec	001
2-Nitrophenol	daily maximum	≤ .69 lb/d	Jun, Dec	001
2,4-Dichlorophenol	30-day average	≤ .029 mg/L	Jun, Dec	001
2,4-Dichlorophenol	daily maximum	≤ .112 mg/L	Jun, Dec	001
2,4-Dichlorophenol	30-day average	≤ .36 lb/d	Jun, Dec	001
2,4-Dichlorophenol	daily maximum	≤ 1.1 lb/d	Jun, Dec	001
2,4-Dimethylphenol	30-day average	≤ .018 mg/L	Jun, Dec	001
2,4-Dimethylphenol	daily maximum	≤ .036 mg/L	Jun, Dec	001
2,4-Dimethylphenol	30-day average	≤ .18 lb/d	Jun, Dec	001
2,4-Dimethylphenol	daily maximum	≤ .36 lb/d	Jun, Dec	001
2,4-Dinitrotoluene	30-day average	≤ .029 mg/L	Jun, Dec	001
2,4-Dinitrotoluene	daily maximum	≤ .285 mg/L	Jun, Dec	001
2,4-Dinitrotoluene	30-day average	≤ .36 lb/d	Jun, Dec	001
2,4-Dinitrotoluene	daily maximum	≤ 2.8 lb/d	Jun, Dec	001
2,4-Dinitrophenol	30-day average	≤ .071 mg/L	Jun, Dec	001
2,4-Dinitrophenol	daily maximum	≤ .123 mg/L	Jun, Dec	001
2,4-Dinitrophenol	30-day average	≤ .71 lb/d	Jun, Dec	001
2,4-Dinitrophenol	daily maximum	≤ 1.2 lb/d	Jun, Dec	001
2,6-Dinitrotoluene	30-day average	≤ .153 mg/L	Jun, Dec	001
2,6-Dinitrotoluene	daily maximum	≤ .641 mg/L	Jun, Dec	001
2,6-Dinitrotoluene	30-day average	≤ 1.9 lb/d	Jun, Dec	001
2,6-Dinitrotoluene	daily maximum	≤ 6.4 lb/d	Jun, Dec	001
4-Nitrophenol	30-day average	≤ .072 mg/L	Jun, Dec	001
4-Nitrophenol	daily maximum	≤ .124 mg/L	Jun, Dec	001
4-Nitrophenol	30-day average	≤ .72 lb/d	Jun, Dec	001
4-Nitrophenol	daily maximum	≤ 1.2 lb/d	Jun, Dec	001
4,6-Dinitro-o-cresol	30-day average	≤ .078 mg/L	Jun, Dec	001
4,6-Dinitro-o-cresol	daily maximum	≤ .102 mg/L	Jun, Dec	001
4,6-Dinitro-o-cresol	30-day average	≤ .78 lb/d	Jun, Dec	001
4,6-Dinitro-o-cresol	daily maximum	≤ 1.3 lb/d	Jun, Dec	001
Phenol	30-day average	≤ .015 mg/L	Jun, Dec	001
Phenol	daily maximum	≤ .026 mg/L	Jun, Dec	001
Phenol	30-day average	≤ .15 lb/d	Jun, Dec	001
Phenol	daily maximum	≤ .26 lb/d	Jun, Dec	001
Naphthalene	30-day average	≤ .022 mg/L	Mar, Jun, Sep, Dec	001
Naphthalene	daily maximum	≤ .059 mg/L	Mar, Jun, Sep, Dec	001
Naphthalene	30-day average	≤ .22 lb/d	Mar, Jun, Sep, Dec	001
Naphthalene	daily maximum	≤ .59 lb/d	Mar, Jun, Sep, Dec	001
Di[2-ethylhexyl] phthalate [DEHP]	30-day average	≤ .029 mg/L	Jun, Dec	001
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ .279 mg/L	Jun, Dec	001
Di[2-ethylhexyl] phthalate [DEHP]	30-day average	≤ .36 lb/d	Jun, Dec	001
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 2.8 lb/d	Jun, Dec	001
Di-n-butyl phthalate	30-day average	≤ .027 mg/L	Jun, Dec	001
Di-n-butyl phthalate	daily maximum	≤ .057 mg/L	Jun, Dec	001
Di-n-butyl phthalate	30-day average	≤ .27 lb/d	Jun, Dec	001
Di-n-butyl phthalate	daily maximum	≤ .57 lb/d	Jun, Dec	001
Vinyl chloride	30-day average	≤ .104 mg/L	Jun, Dec	001
Vinyl chloride	daily maximum	≤ .268 mg/L	Jun, Dec	001
Vinyl chloride	30-day average	≤ 1 lb/d	Jun, Dec	001
Vinyl chloride	daily maximum	≤ 2.7 lb/d	Jun, Dec	001
Trichloroethylene	30-day average	≤ .021 mg/L	Jun, Dec	001
Trichloroethylene	daily maximum	≤ .054 mg/L	Jun, Dec	001
Trichloroethylene	30-day average	≤ .21 lb/d	Jun, Dec	001
Trichloroethylene	daily maximum	≤ .54 lb/d	Jun, Dec	001
Hexachlorobenzene	30-day average	≤ .0002 mg/L	Jun, Dec	001
Hexachlorobenzene	daily maximum	≤ .028 mg/L	Jun, Dec	001
Hexachlorobenzene	30-day average	≤ .0025 lb/d	Jun, Dec	001
Hexachlorobenzene	daily maximum	≤ .28 lb/d	Jun, Dec	001
Hexachlorobutadiene	30-day average	≤ .02 mg/L	Jun, Dec	001
Hexachlorobutadiene	daily maximum	≤ .035 mg/L	Jun, Dec	001
Hexachlorobutadiene	30-day average	≤ .2 lb/d	Jun, Dec	001
Hexachlorobutadiene	daily maximum	≤ .44 lb/d	Jun, Dec	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
1,3-Dichloropropylene	30-day average	≤ .029 mg/L	Jun, Dec	001
1,3-Dichloropropylene	daily maximum	≤ .044 mg/L	Jun, Dec	001
1,3-Dichloropropylene	30-day average	≤ .29 lb/d	Jun, Dec	001
1,3-Dichloropropylene	daily maximum	≤ .44 lb/d	Jun, Dec	001
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	001
3,4-Benzofluoranthene	30-day average	≤ .002 mg/L	Jun, Dec	001
3,4-Benzofluoranthene	daily maximum	≤ .061 mg/L	Jun, Dec	001
3,4-Benzofluoranthene	30-day average	≤ .025 lb/d	Jun, Dec	001
3,4-Benzofluoranthene	daily maximum	≤ .61 lb/d	Jun, Dec	001
Chloroethane	30-day average	≤ .014 mg/L	Jun, Dec	001
Chloroethane	daily maximum	≤ .054 mg/L	Jun, Dec	001
Chloroethane	30-day average	≤ 1 lb/d	Jun, Dec	001
Chloroethane	daily maximum	≤ 2.7 lb/d	Jun, Dec	001
Tetrachloroethylene	30-day average	≤ .022 mg/L	Jun, Dec	001
Tetrachloroethylene	daily maximum	≤ .056 mg/L	Jun, Dec	001
Tetrachloroethylene	30-day average	≤ .22 lb/d	Jun, Dec	001
Tetrachloroethylene	daily maximum	≤ .56 lb/d	Jun, Dec	001
pH	monthly minimum	≥ 6 SU	all year	002
pH	monthly maximum	≤ 9 SU	all year	002
Solids, total suspended	30-day average	≤ 15 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 30 mg/L	all year	002
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	002
Chloride [as Cl]	daily maximum	≤ 500 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
BOD, 5-day, 20 deg. C	30-day average	≤ 24 mg/L	all year	005
BOD, 5-day, 20 deg. C	daily maximum	≤ 64 mg/L	all year	005
BOD, 5-day, 20 deg. C	30-day average	≤ 40 lb/d	all year	005
BOD, 5-day, 20 deg. C	daily maximum	≤ 106 lb/d	all year	005
pH	monthly minimum	≥ 6 SU	all year	005
pH	monthly maximum	≤ 9 SU	all year	005
Solids, total suspended	30-day average	≤ 15 mg/L	all year	005
Solids, total suspended	daily maximum	≤ 30 mg/L	all year	005
Solids, total suspended	30-day average	≤ 70 lb/d	all year	005
Solids, total suspended	daily maximum	≤ 228 lb/d	all year	005
Carbon, tot organic [TOC]	30-day average	report only (mg/L)	all year	005
Carbon, tot organic [TOC]	daily maximum	report only (mg/L)	all year	005
Cyanide, total [as CN]	30-day average	≤ .029 mg/L	Jun, Dec	005
Cyanide, total [as CN]	daily maximum	≤ .038 mg/L	Jun, Dec	005
Cyanide, total [as CN]	30-day average	≤ .12 lb/d	Jun, Dec	005
Cyanide, total [as CN]	daily maximum	≤ .55 lb/d	Jun, Dec	005
Chromium, total [as Cr]	30-day average	≤ .063 mg/L	Jun, Dec	005
Chromium, total [as Cr]	daily maximum	≤ 2 mg/L	Jun, Dec	005
Chromium, total [as Cr]	30-day average	≤ .9 lb/d	Jun, Dec	005
Chromium, total [as Cr]	daily maximum	≤ 4.6 lb/d	Jun, Dec	005
Copper, total [as Cu]	30-day average	≤ .034 mg/L	Jun, Dec	005
Copper, total [as Cu]	daily maximum	≤ .058 mg/L	Jun, Dec	005
Copper, total [as Cu]	30-day average	≤ .5 lb/d	Jun, Dec	005
Copper, total [as Cu]	daily maximum	≤ .84 lb/d	Jun, Dec	005
Lead, total [as Pb]	daily maximum	≤ .1 mg/L	Jun, Dec	005
Lead, total [as Pb]	daily maximum	≤ 1.1 lb/d	Jun, Dec	005
Nickel, total [as Ni]	daily maximum	≤ 1 mg/L	Jun, Dec	005
Nickel, total [as Ni]	daily maximum	≤ 6.6 lb/d	Jun, Dec	005
Zinc, total [as Zn]	daily maximum	≤ 1 mg/L	Jun, Dec	005
Zinc, total [as Zn]	daily maximum	≤ 4.3 lb/d	Jun, Dec	005
Oil and grease	30-day average	≤ 15 mg/L	all year	005
Oil and grease	daily maximum	≤ 30 mg/L	all year	005
Carbon tetrachloride	30-day average	≤ .006 mg/L	Jun, Dec	005
Carbon tetrachloride	daily maximum	≤ .38 mg/L	Jun, Dec	005
Carbon tetrachloride	30-day average	≤ .035 lb/d	Jun, Dec	005
Carbon tetrachloride	daily maximum	≤ .63 lb/d	Jun, Dec	005
1,2-Dichloroethane	30-day average	≤ .023 mg/L	Jun, Dec	005
1,2-Dichloroethane	daily maximum	≤ .574 mg/L	Jun, Dec	005
1,2-Dichloroethane	30-day average	≤ .14 lb/d	Jun, Dec	005
1,2-Dichloroethane	daily maximum	≤ .95 lb/d	Jun, Dec	005
Chloroform	30-day average	≤ .111 mg/L	Jun, Dec	005
Chloroform	daily maximum	≤ .325 mg/L	Jun, Dec	005
Chloroform	30-day average	≤ .18 lb/d	Jun, Dec	005
Chloroform	daily maximum	≤ .54 lb/d	Jun, Dec	005
Toluene	30-day average	≤ .028 mg/L	Jun, Dec	005
Toluene	daily maximum	≤ .074 mg/L	Jun, Dec	005
Toluene	30-day average	≤ .046 lb/d	Jun, Dec	005
Toluene	daily maximum	≤ .12 lb/d	Jun, Dec	005
Benzene	30-day average	≤ .057 mg/L	Jun, Dec	005
Benzene	daily maximum	≤ .134 mg/L	Jun, Dec	005
Benzene	30-day average	≤ .094 lb/d	Jun, Dec	005
Benzene	daily maximum	≤ .22 lb/d	Jun, Dec	005
Acenaphthylene	30-day average	≤ .019 mg/L	Jun, Dec	005
Acenaphthylene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Acenaphthylene	30-day average	≤ .031 lb/d	Jun, Dec	005
Acenaphthylene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Acenaphthene	30-day average	≤ .019 mg/L	Jun, Dec	005
Acenaphthene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Acenaphthene	30-day average	≤ .031 lb/d	Jun, Dec	005
Acenaphthene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Acrylonitrile	30-day average	≤ .0001 mg/L	Jun, Dec	005
Acrylonitrile	daily maximum	≤ .232 mg/L	Jun, Dec	005
Acrylonitrile	30-day average	≤ .005 lb/d	Jun, Dec	005
Acrylonitrile	daily maximum	≤ .38 lb/d	Jun, Dec	005
Anthracene	30-day average	≤ .019 mg/L	Jun, Dec	005
Anthracene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Anthracene	30-day average	≤ .031 lb/d	Jun, Dec	005
Anthracene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Benzo[k]fluoranthene	30-day average	≤ .00007 mg/L	Jun, Dec	005
Benzo[k]fluoranthene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Benzo[k]fluoranthene	30-day average	≤ .0004 lb/d	Jun, Dec	005
Benzo[k]fluoranthene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Benzo[a]pyrene	30-day average	≤ .00007 mg/L	Jun, Dec	005
Benzo[a]pyrene	daily maximum	≤ .048 mg/L	Jun, Dec	005
Benzo[a]pyrene	30-day average	≤ .0004 lb/d	Jun, Dec	005
Benzo[a]pyrene	daily maximum	≤ .079 lb/d	Jun, Dec	005
Chlorobenzene	30-day average	≤ .079 mg/L	Jun, Dec	005
Chlorobenzene	daily maximum	≤ .38 mg/L	Jun, Dec	005
Chlorobenzene	30-day average	≤ .39 lb/d	Jun, Dec	005
Chlorobenzene	daily maximum	≤ .63 lb/d	Jun, Dec	005
Chrysene	30-day average	≤ .00007 mg/L	Jun, Dec	005
Chrysene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Chrysene	30-day average	≤ .0004 lb/d	Jun, Dec	005
Chrysene	daily maximum	≤ .077 lb/d	Jun, Dec	005
Diethyl phthalate	30-day average	≤ .046 mg/L	Jun, Dec	005
Diethyl phthalate	daily maximum	≤ .113 mg/L	Jun, Dec	005
Diethyl phthalate	30-day average	≤ .076 lb/d	Jun, Dec	005
Diethyl phthalate	daily maximum	≤ .19 lb/d	Jun, Dec	005
Dimethyl phthalate	30-day average	≤ .019 mg/L	Jun, Dec	005
Dimethyl phthalate	daily maximum	≤ .047 mg/L	Jun, Dec	005
Dimethyl phthalate	30-day average	≤ .031 lb/d	Jun, Dec	005
Dimethyl phthalate	daily maximum	≤ .078 lb/d	Jun, Dec	005
Ethylbenzene	30-day average	≤ .014 mg/L	Jun, Dec	005
Ethylbenzene	daily maximum	≤ .15 mg/L	Jun, Dec	005
Ethylbenzene	30-day average	≤ .084 lb/d	Jun, Dec	005
Ethylbenzene	daily maximum	≤ .63 lb/d	Jun, Dec	005
Fluoranthene	30-day average	≤ .022 mg/L	Jun, Dec	005
Fluoranthene	daily maximum	≤ .054 mg/L	Jun, Dec	005
Fluoranthene	30-day average	≤ .036 lb/d	Jun, Dec	005
Fluoranthene	daily maximum	≤ .089 lb/d	Jun, Dec	005
Fluorene	30-day average	≤ .019 mg/L	Jun, Dec	005
Fluorene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Fluorene	30-day average	≤ .031 lb/d	Jun, Dec	005
Fluorene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Hexachloroethane	30-day average	≤ .003 mg/L	Jun, Dec	005
Hexachloroethane	daily maximum	≤ .34 mg/L	Jun, Dec	005
Hexachloroethane	30-day average	≤ .018 lb/d	Jun, Dec	005
Hexachloroethane	daily maximum	≤ 1.31 lb/d	Jun, Dec	005
Methyl chloride [Chloromethane]	30-day average	≤ .11 mg/L	Jun, Dec	005
Methyl chloride [Chloromethane]	daily maximum	≤ .295 mg/L	Jun, Dec	005
Methyl chloride [Chloromethane]	30-day average	≤ .18 lb/d	Jun, Dec	005
Methyl chloride [Chloromethane]	daily maximum	≤ .49 lb/d	Jun, Dec	005
Methylene chloride	30-day average	≤ .036 mg/L	Jun, Dec	005
Methylene chloride	daily maximum	≤ .17 mg/L	Jun, Dec	005
Methylene chloride	30-day average	≤ .059 lb/d	Jun, Dec	005
Methylene chloride	daily maximum	≤ .28 lb/d	Jun, Dec	005
Nitrobenzene	30-day average	≤ .523 mg/L	Jun, Dec	005
Nitrobenzene	daily maximum	≤ 6.402 mg/L	Jun, Dec	005
Nitrobenzene	30-day average	≤ 1.6 lb/d	Jun, Dec	005
Nitrobenzene	daily maximum	≤ 10.6 lb/d	Jun, Dec	005
Phenanthrene	30-day average	≤ .0037 mg/L	Jun, Dec	005
Phenanthrene	daily maximum	≤ .046 mg/L	Jun, Dec	005
Phenanthrene	30-day average	≤ .022 lb/d	Jun, Dec	005
Phenanthrene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Pyrene	30-day average	≤ .02 mg/L	Jun, Dec	005
Pyrene	daily maximum	≤ .048 mg/L	Jun, Dec	005
Pyrene	30-day average	≤ .033 lb/d	Jun, Dec	005
Pyrene	daily maximum	≤ .079 lb/d	Jun, Dec	005
1,1-Dichloroethane	30-day average	≤ .022 mg/L	Jun, Dec	005
1,1-Dichloroethane	daily maximum	≤ .059 mg/L	Jun, Dec	005
1,1-Dichloroethane	30-day average	≤ .036 lb/d	Jun, Dec	005
1,1-Dichloroethane	daily maximum	≤ .097 lb/d	Jun, Dec	005
1,1-Dichloroethylene	30-day average	≤ .004 mg/L	Jun, Dec	005
1,1-Dichloroethylene	daily maximum	≤ .06 mg/L	Jun, Dec	005
1,1-Dichloroethylene	30-day average	≤ .024 lb/d	Jun, Dec	005
1,1-Dichloroethylene	daily maximum	≤ .099 lb/d	Jun, Dec	005
1,1,1-Trichloroethane	30-day average	≤ .022 mg/L	Jun, Dec	005
1,1,1-Trichloroethane	daily maximum	≤ .059 mg/L	Jun, Dec	005
1,1,1-Trichloroethane	30-day average	≤ .036 lb/d	Jun, Dec	005
1,1,1-Trichloroethane	daily maximum	≤ .97 lb/d	Jun, Dec	005
1,1,2-Trichloroethane	30-day average	≤ .014 mg/L	Jun, Dec	005
1,1,2-Trichloroethane	daily maximum	≤ .127 mg/L	Jun, Dec	005
1,1,2-Trichloroethane	30-day average	≤ .053 lb/d	Jun, Dec	005
1,1,2-Trichloroethane	daily maximum	≤ .21 lb/d	Jun, Dec	005
Benzo[a]anthracene	30-day average	≤ .00007 mg/L	Jun, Dec	005
Benzo[a]anthracene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Benzo[a]anthracene	30-day average	≤ .0004 lb/d	Jun, Dec	005
Benzo[a]anthracene	daily maximum	≤ .078 lb/d	Jun, Dec	005
1,2-Dichlorobenzene	30-day average	≤ .044 mg/L	Jun, Dec	005
1,2-Dichlorobenzene	daily maximum	≤ .547 mg/L	Jun, Dec	005
1,2-Dichlorobenzene	30-day average	≤ .22 lb/d	Jun, Dec	005
1,2-Dichlorobenzene	daily maximum	≤ 1.31 lb/d	Jun, Dec	005
1,2-Dichloropropane	30-day average	≤ .196 mg/L	Jun, Dec	005
1,2-Dichloropropane	daily maximum	≤ .794 mg/L	Jun, Dec	005
1,2-Dichloropropane	30-day average	≤ .32 lb/d	Jun, Dec	005
1,2-Dichloropropane	daily maximum	≤ 1.3 lb/d	Jun, Dec	005
trans-1,2-Dichloroethylene	30-day average	≤ .025 mg/L	Jun, Dec	005
trans-1,2-Dichloroethylene	daily maximum	≤ .066 mg/L	Jun, Dec	005
trans-1,2-Dichloroethylene	30-day average	≤ .041 lb/d	Jun, Dec	005
trans-1,2-Dichloroethylene	daily maximum	≤ .11 lb/d	Jun, Dec	005
1,2,4-Trichlorobenzene	30-day average	≤ .034 mg/L	Jun, Dec	005
1,2,4-Trichlorobenzene	daily maximum	≤ .3 mg/L	Jun, Dec	005
1,2,4-Trichlorobenzene	30-day average	≤ .2 lb/d	Jun, Dec	005
1,2,4-Trichlorobenzene	daily maximum	≤ 1.31 lb/d	Jun, Dec	005
1,3-Dichlorobenzene	30-day average	≤ .069 mg/L	Jun, Dec	005
1,3-Dichlorobenzene	daily maximum	≤ .38 mg/L	Jun, Dec	005
1,3-Dichlorobenzene	30-day average	≤ .24 lb/d	Jun, Dec	005
1,3-Dichlorobenzene	daily maximum	≤ .63 lb/d	Jun, Dec	005
1,4-Dichlorobenzene	30-day average	≤ .142 mg/L	Jun, Dec	005
1,4-Dichlorobenzene	daily maximum	≤ .38 mg/L	Jun, Dec	005
1,4-Dichlorobenzene	30-day average	≤ .24 lb/d	Jun, Dec	005
1,4-Dichlorobenzene	daily maximum	≤ .63 lb/d	Jun, Dec	005
2-Nitrophenol	30-day average	≤ .065 mg/L	Jun, Dec	005
2-Nitrophenol	daily maximum	≤ .231 mg/L	Jun, Dec	005
2-Nitrophenol	30-day average	≤ .11 lb/d	Jun, Dec	005
2-Nitrophenol	daily maximum	≤ .38 lb/d	Jun, Dec	005
2,4-Dimethylphenol	30-day average	≤ .018 mg/L	Jun, Dec	005
2,4-Dimethylphenol	daily maximum	≤ .047 mg/L	Jun, Dec	005
2,4-Dimethylphenol	30-day average	≤ .031 lb/d	Jun, Dec	005
2,4-Dimethylphenol	daily maximum	≤ .078 lb/d	Jun, Dec	005
2,4-Dinitrophenol	30-day average	≤ .0085 mg/L	Jun, Dec	005
2,4-Dinitrophenol	daily maximum	≤ .106 mg/L	Jun, Dec	005
2,4-Dinitrophenol	30-day average	≤ .042 lb/d	Jun, Dec	005
2,4-Dinitrophenol	daily maximum	≤ .63 lb/d	Jun, Dec	005
4-Nitrophenol	30-day average	≤ .162 mg/L	Jun, Dec	005
4-Nitrophenol	daily maximum	≤ .576 mg/L	Jun, Dec	005
4-Nitrophenol	30-day average	≤ .27 lb/d	Jun, Dec	005
4-Nitrophenol	daily maximum	≤ .95 lb/d	Jun, Dec	005
4,6-Dinitro-o-cresol	30-day average	≤ .0023 mg/L	Jun, Dec	005
4,6-Dinitro-o-cresol	daily maximum	≤ .029 mg/L	Jun, Dec	005
4,6-Dinitro-o-cresol	30-day average	≤ .011 lb/d	Jun, Dec	005
4,6-Dinitro-o-cresol	daily maximum	≤ .17 lb/d	Jun, Dec	005
Phenol	30-day average	≤ .019 mg/L	Jun, Dec	005
Phenol	daily maximum	≤ .047 mg/L	Jun, Dec	005
Phenol	30-day average	≤ .031 lb/d	Jun, Dec	005
Phenol	daily maximum	≤ .078 lb/d	Jun, Dec	005
Naphthalene	30-day average	≤ .019 mg/L	Jun, Dec	005
Naphthalene	daily maximum	≤ .047 mg/L	Jun, Dec	005
Naphthalene	30-day average	≤ .031 lb/d	Jun, Dec	005
Naphthalene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Di[2-ethylhexyl] phthalate [DEHP]	30-day average	≤ .0014 mg/L	Jun, Dec	005
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ .258 mg/L	Jun, Dec	005
Di[2-ethylhexyl] phthalate [DEHP]	30-day average	≤ .0083 lb/d	Jun, Dec	005
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ .43 lb/d	Jun, Dec	005
Di-n-butyl phthalate	30-day average	≤ .02 mg/L	Jun, Dec	005
Di-n-butyl phthalate	daily maximum	≤ .043 mg/L	Jun, Dec	005
Di-n-butyl phthalate	30-day average	≤ .033 lb/d	Jun, Dec	005
Di-n-butyl phthalate	daily maximum	≤ .071 lb/d	Jun, Dec	005
Vinyl chloride	30-day average	≤ .097 mg/L	Jun, Dec	005
Vinyl chloride	daily maximum	≤ .172 mg/L	Jun, Dec	005
Vinyl chloride	30-day average	≤ .16 lb/d	Jun, Dec	005
Vinyl chloride	daily maximum	≤ .28 lb/d	Jun, Dec	005
Trichloroethylene	30-day average	≤ .026 mg/L	Jun, Dec	005
Trichloroethylene	daily maximum	≤ .069 mg/L	Jun, Dec	005
Trichloroethylene	30-day average	≤ .043 lb/d	Jun, Dec	005
Trichloroethylene	daily maximum	≤ .11 lb/d	Jun, Dec	005
Hexachlorobenzene	30-day average	≤ .00001 mg/L	Jun, Dec	005
Hexachlorobenzene	daily maximum	≤ .794 mg/L	Jun, Dec	005
Hexachlorobenzene	30-day average	≤ .00006 lb/d	Jun, Dec	005
Hexachlorobenzene	daily maximum	≤ 1.3 lb/d	Jun, Dec	005
Hexachlorobutadiene	30-day average	≤ .0028 mg/L	Jun, Dec	005
Hexachlorobutadiene	daily maximum	≤ .0345 mg/L	Jun, Dec	005
Hexachlorobutadiene	30-day average	≤ .017 lb/d	Jun, Dec	005
Hexachlorobutadiene	daily maximum	≤ .2 lb/d	Jun, Dec	005
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	005
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	005
1,3-Dichloropropylene	30-day average	≤ .0079 mg/L	Jun, Dec	005
1,3-Dichloropropylene	daily maximum	≤ .099 mg/L	Jun, Dec	005
1,3-Dichloropropylene	30-day average	≤ .039 lb/d	Jun, Dec	005
1,3-Dichloropropylene	daily maximum	≤ .59 lb/d	Jun, Dec	005
3,4-Benzofluoranthene	30-day average	≤ .00007 mg/L	Jun, Dec	005
3,4-Benzofluoranthene	daily maximum	≤ .048 mg/L	Jun, Dec	005
3,4-Benzofluoranthene	30-day average	≤ .0004 lb/d	Jun, Dec	005
3,4-Benzofluoranthene	daily maximum	≤ .078 lb/d	Jun, Dec	005
Chloroethane	30-day average	≤ .11 mg/L	Jun, Dec	005
Chloroethane	daily maximum	≤ .295 mg/L	Jun, Dec	005
Chloroethane	30-day average	≤ .18 lb/d	Jun, Dec	005
Chloroethane	daily maximum	≤ .49 lb/d	Jun, Dec	005
Tetrachloroethylene	30-day average	≤ .013 mg/L	Jun, Dec	005
Tetrachloroethylene	daily maximum	≤ .164 mg/L	Jun, Dec	005
Tetrachloroethylene	30-day average	≤ .076 lb/d	Jun, Dec	005
Tetrachloroethylene	daily maximum	≤ .27 lb/d	Jun, Dec	005
Temperature, water deg. fahrenheit	maximum	≤ 81 deg F	Jan, Feb, Mar, Dec	007
Temperature, water deg. fahrenheit	maximum	≤ 93 deg F	Apr–Nov	007
Temperature, length of excursion	maximum	≤ 57.6 hr	Apr–Nov	007
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	007
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	007
Halogen, total residual	daily maximum	≤ .05 mg/L	all year	007
Carbon, tot organic [TOC]	30-day average	report only (mg/L)	all year	008
Carbon, tot organic [TOC]	daily maximum	report only (mg/L)	all year	008
Flow, in conduit or thru treatment plant	30-day average	report only (MGD)	all year	008
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	008

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/IL0002917 · MCP: https://passage-data.com/mcp