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Clean Water Act discharge permit · NPDES IL0026069

NOURYON SURFACE CHEMISTRY LLC, Morris, IL: NPDES IL0026069 discharge permit, effluent exceedances, inspections, penalties

NOURYON SURFACE CHEMISTRY LLC holds NPDES permit IL0026069, which discharges to Aux Sable Creek. EPA’s file records it issued April 18, 2018 and expiring March 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedNOURYON SURFACE CHEMISTRY LLC
Permittee as filedNOURYON SURFACE CHEMISTRY LLC
NPDES IDIL0026069
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
IssuedApril 18, 2018
Expiration dateMarch 31, 2023
AddressMorris, IL 60450
Receiving waterAUX SABLE CREEK
SubwatershedHeidecke Lake-Illinois River (HUC 071200050701)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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 93 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nickel, total [as Ni]610747November 30, 2012351% over the limit
BOD, 5-day, 20 deg. C44412October 31, 2023381% over the limit
Nitrogen, ammonia total [as N]16717October 31, 2025840% over the limit
pH6606October 31, 2018
Solids, total suspended4364May 31, 201490% over the limit
Cyanide, total [as CN]10214May 31, 20159,900% over the limit
Oil & Grease6134April 30, 201798% over the limit
Copper, total [as Cu]10333December 31, 2021142% over the limit
Chloride [as Cl]0223November 30, 201146% over the limit
Coliform, fecal general463October 31, 201499,999% over the limit
Oil and grease [soxhlet extr.] tot.0262September 30, 2009108% over the limit
Lead, total [as Pb]10291December 31, 2004620% over the limit
Temperature, water deg. fahrenheit6281June 30, 20143% over the limit
4,6-Dinitro-o-cresol4131December 31, 2013189% over the limit
Boron, total [as B]0101January 31, 201620% over the limit
Solids, total dissolved- 180 deg. C041September 30, 200829% over the limit
Coliform, fecal - % samples exceeding limit231September 30, 2016130% over the limit
Flow, in conduit or thru treatment plant101020
Zinc, total [as Zn]18610
Chlorine, total residual2260
Phenol6170
Toluene4160
Benzene4160
Ethylbenzene4160
Chromium, total [as Cr]10130
Carbon tetrachloride4120
Chloroform4120
Acenaphthylene4120
Acenaphthene4120
Acrylonitrile4120
Anthracene4120
Benzo[k]fluoranthene4120
Benzo[a]pyrene4120
Chlorobenzene4120
Chrysene4120
Diethyl phthalate4120
Dimethyl phthalate4120
Fluoranthene4120
Fluorene4120
Hexachloroethane4120
Methyl chloride [Chloromethane]4120
Methylene chloride4120
Nitrobenzene4120
Phenanthrene4120
Pyrene4120
1,1-Dichloroethane4120
1,1-Dichloroethylene4120
1,1,1-Trichloroethane4120
1,1,2-Trichloroethane4120
Benzo[a]anthracene4120
1,2-Dichloroethane, total weight4120
1,2-Dichlorobenzene4120
1,2-Dichloropropane4120
trans-1,2-Dichloroethylene4120
1,3-Dichlorobenzene4120
1,4-Dichlorobenzene4120
2-Chlorophenol4120
2-Nitrophenol4120
2,4-Dichlorophenol4120
2,4-Dimethylphenol4120

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 IL0026069.

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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How we handle your data → Privacy

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 IL0026069 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.