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Clean Water Act discharge permit · NPDES IL0001350

FORMOSA PLASTICS CORPORATION - ILLIOPOLIS, Illiopolis, IL: NPDES IL0001350 discharge permit, effluent exceedances, inspections, penalties

FORMOSA PLASTICS CORPORATION - ILLIOPOLIS, held by FORMOSA PLASTICS CORP, holds NPDES permit IL0001350, which discharges to Long Point Slough. EPA’s file records it issued September 24, 1991 and expiring October 24, 1996. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedFORMOSA PLASTICS CORPORATION - ILLIOPOLIS
Permittee as filedFORMOSA PLASTICS CORP
NPDES IDIL0001350
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 24, 1991
Expiration dateOctober 24, 1996
AddressIlliopolis, IL 62539
Receiving waterLONG POINT SLOUGH
SubwatershedLong Point Slough (HUC 071300060803)
SIC2821 – Plastics Materials And Resins
Other EPA IDs (FRS)RCRA handler ILD005158548; ICIS-AIR source IL000167812AAG

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 72 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended4513June 30, 200892% over the limit
BOD, 5-day, 20 deg. C4502April 30, 2004445% over the limit
Nitrogen, ammonia total [as N]8491June 30, 200419% over the limit
Methylene chloride4131April 30, 200499% over the limit
Flow, in conduit or thru treatment plant22770
Cyanide, weak acid, dissociable4480
Cyanide, total [as CN]4480
Chromium, total [as Cr]4480
Copper, total [as Cu]4480
Nickel, total [as Ni]4480
Zinc, total [as Zn]4480
Phenol4480
pH2320
Sulfate, total [as SO4]2240
Lead, total [as Pb]2240
Carbon tetrachloride4120
Chloroform4120
Toluene4120
Benzene4120
Acenaphthylene4120
Acenaphthene4120
Acrylonitrile4120
Anthracene4120
Benzo[k]fluoranthene4120
Benzo[a]pyrene4120
Chlorobenzene4120
Chrysene4120
Diethyl phthalate4120
Dimethyl phthalate4120
Ethylbenzene4120
Fluoranthene4120
Fluorene4120
Hexachloroethane4120
Methyl chloride [Chloromethane]4120
Nitrobenzene4120
Phenanthrene4120
Pyrene4120
1,1-Dichloroethane4120
1,1-Dichloroethylene4120
1,1,1-Trichloroethane4120
Benzo[a]anthracene4120
1,2-Dichloroethane, total weight4120
1,2-Dichlorobenzene4120
1,2-Dichloropropane4120
trans-1,2-Dichloroethylene4120
1,2,4-Trichlorobenzene4120
1,3-Dichloropropene, total weight4120
1,3-Dichlorobenzene4120
1,4-Dichlorobenzene4120
2-Chlorophenol4120
2-Nitrophenol4120
2,4-Dichlorophenol4120
2,4-Dimethylphenol4120
2,4-Dinitrotoluene4120
2,4-Dinitrophenol4120
2,6-Dinitrotoluene4120
4-Nitrophenol4120
4,6-Dinitro-o-cresol4120
Naphthalene4120
Di[2-ethylhexyl] phthalate [DEHP]4120

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0001350.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0001350 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit IL0001350 for FORMOSA PLASTICS CORPORATION - ILLIOPOLIS in Illiopolis, IL, a minor discharger that is administratively continued and discharges to Long Point Slough. The page lists 72 as the discharger class figure, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance.