EQUISTAR CHEMICALS, LP (LYONDELLBASELL)

NPDES permit IL0000141 · Major NON-POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

2values over a limit
0required values missing, on 0 form(s)
0of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: Cyanide, total [as CN] (2).

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 (232)

OutfallParameterStatisticLimitMonths
001Sulfate [as S]MO AVG report only May, Nov
001Sulfate [as S]DAILY MX report only May, Nov
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L all year
001pHMO MIN >= 6 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only Feb, May, Aug, Nov
001Nitrogen, ammonia total [as N]DAILY MX report only Feb, May, Aug, Nov
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Cyanide, total [as CN]30DA AVG <= .1 ug/L May, Nov
001Cyanide, total [as CN]DAILY MX <= .2 ug/L May, Nov
001Chloride [as Cl]MO AVG report only May, Nov
001Chloride [as Cl]DAILY MX report only May, Nov
001Fluoride, total [as F]MO AVG report only May, Nov
001Fluoride, total [as F]DAILY MX report only May, Nov
001Chromium, total [as Cr]30DA AVG <= 1 mg/L May, Nov
001Chromium, total [as Cr]DAILY MX <= 2 mg/L May, Nov
001Copper, total [as Cu]30DA AVG <= .5 mg/L May, Nov
001Copper, total [as Cu]DAILY MX <= 1 mg/L May, Nov
001Iron, total [as Fe]30DA AVG <= 2 mg/L all year
001Iron, total [as Fe]DAILY MX <= 4 mg/L all year
001Lead, total [as Pb]30DA AVG <= .2 mg/L May, Nov
001Lead, total [as Pb]DAILY MX <= .4 mg/L May, Nov
001Nickel, total [as Ni]30DA AVG <= 1 mg/L May, Nov
001Nickel, total [as Ni]DAILY MX <= 2 mg/L May, Nov
001Zinc, total [as Zn]30DA AVG <= 1 mg/L May, Nov
001Zinc, total [as Zn]DAILY MX <= 2 mg/L May, Nov
001Oil and grease30DA AVG <= 15 mg/L all year
001Oil and greaseDAILY MX <= 30 mg/L all year
001Carbon tetrachloride30DA AVG report only May, Nov
001Carbon tetrachlorideDAILY MX report only May, Nov
0011,2-Dichloroethane30DA AVG report only May, Nov
0011,2-DichloroethaneDAILY MX report only May, Nov
001Chloroform30DA AVG report only May, Nov
001ChloroformDAILY MX report only May, Nov
001Toluene30DA AVG report only May, Nov
001TolueneDAILY MX report only May, Nov
001Benzene30DA AVG report only May, Nov
001BenzeneDAILY MX report only May, Nov
001Acenaphthylene30DA AVG report only May, Nov
001AcenaphthyleneDAILY MX report only May, Nov
001Acenaphthene30DA AVG report only May, Nov
001AcenaphtheneDAILY MX report only May, Nov
001Acrylonitrile30DA AVG report only May, Nov
001AcrylonitrileDAILY MX report only May, Nov
001Anthracene30DA AVG report only May, Nov
001AnthraceneDAILY MX report only May, Nov
001Benzo[k]fluoranthene30DA AVG report only May, Nov
001Benzo[k]fluorantheneDAILY MX report only May, Nov
001Benzo[a]pyrene30DA AVG report only May, Nov
001Benzo[a]pyreneDAILY MX report only May, Nov
001Chlorobenzene30DA AVG report only May, Nov
001ChlorobenzeneDAILY MX report only May, Nov
001Chrysene30DA AVG report only May, Nov
001ChryseneDAILY MX report only May, Nov
001Diethyl phthalate30DA AVG report only May, Nov
001Diethyl phthalateDAILY MX report only May, Nov
001Dimethyl phthalate30DA AVG report only May, Nov
001Dimethyl phthalateDAILY MX report only May, Nov
001Ethylbenzene30DA AVG report only May, Nov
001EthylbenzeneDAILY MX report only May, Nov
001Fluoranthene30DA AVG report only May, Nov
001FluorantheneDAILY MX report only May, Nov
001Fluorene30DA AVG report only May, Nov
001FluoreneDAILY MX report only May, Nov
001Hexachloroethane30DA AVG report only May, Nov
001HexachloroethaneDAILY MX report only May, Nov
001Methyl chloride [Chloromethane]30DA AVG report only May, Nov
001Methyl chloride [Chloromethane]DAILY MX report only May, Nov
001Methylene chloride30DA AVG report only May, Nov
001Methylene chlorideDAILY MX report only May, Nov
001Nitrobenzene30DA AVG report only May, Nov
001NitrobenzeneDAILY MX report only May, Nov
001Phenanthrene30DA AVG report only May, Nov
001PhenanthreneDAILY MX report only May, Nov
001Pyrene30DA AVG report only May, Nov
001PyreneDAILY MX report only May, Nov
001Tetrachloroethylene30DA AVG report only May, Nov
001TetrachloroethyleneDAILY MX report only May, Nov
0011,1-Dichloroethane30DA AVG report only May, Nov
0011,1-DichloroethaneDAILY MX report only May, Nov
0011,1-Dichloroethylene30DA AVG report only May, Nov
0011,1-DichloroethyleneDAILY MX report only May, Nov
0011,1,1-Trichloroethane30DA AVG report only May, Nov
0011,1,1-TrichloroethaneDAILY MX report only May, Nov
0011,1,2-Trichloroethane30DA AVG report only May, Nov
0011,1,2-TrichloroethaneDAILY MX report only May, Nov
001Benzo[a]anthracene30DA AVG report only May, Nov
001Benzo[a]anthraceneDAILY MX report only May, Nov
0011,2-Dichlorobenzene30DA AVG report only May, Nov
0011,2-DichlorobenzeneDAILY MX report only May, Nov
0011,2-Dichloropropane30DA AVG report only May, Nov
0011,2-DichloropropaneDAILY MX report only May, Nov
001trans-1,2-Dichloroethylene30DA AVG report only May, Nov
001trans-1,2-DichloroethyleneDAILY MX report only May, Nov
0011,2,4-Trichlorobenzene30DA AVG report only May, Nov
0011,2,4-TrichlorobenzeneDAILY MX report only May, Nov
0011,3-Dichloropropene, total weight30DA AVG report only May, Nov
0011,3-Dichloropropene, total weightDAILY MX report only May, Nov
0011,3-Dichlorobenzene30DA AVG report only May, Nov
0011,3-DichlorobenzeneDAILY MX report only May, Nov
0011,4-Dichlorobenzene30DA AVG report only May, Nov
0011,4-DichlorobenzeneDAILY MX report only May, Nov
0012-Chlorophenol30DA AVG report only May, Nov
0012-ChlorophenolDAILY MX report only May, Nov
0012-Nitrophenol30DA AVG report only May, Nov
0012-NitrophenolDAILY MX report only May, Nov
0012,4-Dichlorophenol30DA AVG report only all year
0012,4-DichlorophenolDAILY MX report only all year
0012,4-Dimethylphenol30DA AVG report only May, Nov
0012,4-DimethylphenolDAILY MX report only May, Nov
0012,4-Dinitrotoluene30DA AVG report only May, Nov
0012,4-DinitrotolueneDAILY MX report only May, Nov
0012,4-Dinitrophenol30DA AVG report only May, Nov
0012,4-DinitrophenolDAILY MX report only May, Nov
0012,6-Dinitrotoluene30DA AVG report only May, Nov
0012,6-DinitrotolueneDAILY MX report only May, Nov
0014-Nitrophenol30DA AVG report only May, Nov
0014-NitrophenolDAILY MX report only May, Nov
0014,6-Dinitro-o-cresol30DA AVG report only May, Nov
0014,6-Dinitro-o-cresolDAILY MX report only May, Nov
001Naphthalene30DA AVG report only May, Nov
001NaphthaleneDAILY MX report only May, Nov
001Di[2-ethylhexyl] phthalate [DEHP]30DA AVG report only May, Nov
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only May, Nov
001Di-n-butyl phthalate30DA AVG report only May, Nov
001Di-n-butyl phthalateDAILY MX report only May, Nov
001Vinyl chloride30DA AVG report only May, Nov
001Vinyl chlorideDAILY MX report only May, Nov
001Trichloroethylene30DA AVG report only May, Nov
001TrichloroethyleneDAILY MX report only May, Nov
001Hexachlorobenzene30DA AVG report only May, Nov
001HexachlorobenzeneDAILY MX report only May, Nov
001Hexachlorobutadiene30DA AVG report only May, Nov
001HexachlorobutadieneDAILY MX report only May, Nov
001Phenols30DA AVG report only May, Nov
001PhenolsDAILY MX report only May, Nov
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Perfluorooctanoic acid (PFOA)DAILY MX report only all year
001Perfluorobutanoic acid (PFBA)DAILY MX report only all year
001Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
001Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
001Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
001Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
001Perfluorononanoic acid (PFNA)DAILY MX report only all year
001Perfluorodecanoic acid (PFDA)DAILY MX report only all year
001Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
001Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
001Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
001Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
001N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
001N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
001N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
001N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
001Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
001Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
001Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
001Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
001Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
0011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
0011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
0011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
001Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
001Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
001Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
001Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
001Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
001Perfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
0014,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
001N-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
001N-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
001Mercury, total [as Hg]30DA AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
0013,4-Benzofluoranthene30DA AVG report only May, Nov
0013,4-BenzofluorantheneDAILY MX report only May, Nov
001Chloroethane30DA AVG report only May, Nov
001ChloroethaneDAILY MX report only May, Nov
001PFAS SumDAILY MX report only all year
0013-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
001Perfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
0019-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
00111-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
0013-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
001Perfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
0012H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year
004Perfluorooctanoic acid (PFOA)DAILY MX report only all year
004Perfluorobutanoic acid (PFBA)DAILY MX report only all year
004Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
004Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
004Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
004Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
004Perfluorononanoic acid (PFNA)DAILY MX report only all year
004Perfluorodecanoic acid (PFDA)DAILY MX report only all year
004Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
004Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
004Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
004Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
004N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)DAILY MX report only all year
004N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)DAILY MX report only all year
004N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
004N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
004Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
004Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
004Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
004Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
004Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
0041H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
0041H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
0041H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
004Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
004Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
004Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
004Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)DAILY MX report only all year
004Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)DAILY MX report only all year
004Perfluorododecanesulfonic acid (PFDoS)DAILY MX report only all year
0044,8-Dioxa-3H-perfluorononanoic acid (ADONA)DAILY MX report only all year
004N-methyl perfluorooctanesulfonamide (NMeFOSA)DAILY MX report only all year
004N-ethyl perfluorooctanesulfonamide (NEtFOSA)DAILY MX report only all year
004PFAS SumDAILY MX report only all year
0043-Perfluoropropyl propanoic acid (3:3 FTCA)DAILY MX report only all year
004Perfluoro-3-methoxypropanoic acid (PFMPA)DAILY MX report only all year
0049-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)DAILY MX report only all year
00411-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)DAILY MX report only all year
0043-Perfluoroheptyl propanoic acid (7:3 FTCA)DAILY MX report only all year
004Perfluoro-4-methoxybutanoic acid (PFMBA)DAILY MX report only all year
0042H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)DAILY MX report only all year

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