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NPDES IL0045241 · Clean Water Act

INEOS US CHEMICALS COMPANY-NAPERVILLE CAMPUS, Naperville, IL: NPDES IL0045241 discharge permit, effluent exceedances, inspections, penalties

INEOS US CHEMICALS COMPANY-NAPERVILLE CAMPUS, Naperville, Illinois: Individual permit IL0045241, held by INEOS US CHEMICALS COMPANY; Administratively continued; issued September 7, 2018, term to September 30, 2023; discharges to UNNAMED TRIB TO CRESS CREEK.

  • pH: 0 limits, 11 violations of any kind, 11 effluent exceedances, latest June 30, 2013.
  • Chlorine, total residual: 0 limits, 4 violations of any kind, 4 effluent exceedances, latest October 31, 2013, largest 160% over the limit.
  • Solids, total suspended: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest July 31, 2013, largest 13% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind.
  • Temperature, water deg. fahrenheit: 2 limits, 4 violations of any kind.

INEOS US CHEMICALS COMPANY-NAPERVILLE CAMPUS among its neighbors

56 discharge permits are in the Lower West Branch Du Page River subwatershed (HUC 071200040805); IL0045241 is one. Its county: 204, 23 major; IL0045241 is minor permit.

Other permits in the Lower West Branch Du Page River subwatershed (HUC 071200040805)

Identity

FacilityINEOS US CHEMICALS COMPANY-NAPERVILLE CAMPUS
PermitteeINEOS US CHEMICALS COMPANY
NPDES IDIL0045241
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typeNon-POTW
IssuedSeptember 7, 2018
ExpiresSeptember 30, 2023
AddressNaperville, IL 60563
Receiving waterUNNAMED TRIB TO CRESS CREEK
Receiving water impaired303(D) Listed
SubwatershedLower West Branch Du Page River (HUC 071200040805)
SIC8734 – Testing Laboratories
Other EPA IDs (FRS)RCRA handler ILR000138776; ICIS-AIR source IL000043467AAD

NPDES IL0045241: effluent limits and exceedances

INEOS US CHEMICALS COMPANY-NAPERVILLE CAMPUS (NPDES IL0045241): 5 pollutants on file, 2 limited; 5 with a violation of any kind, 3 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH01111June 30, 2013
Chlorine, total residual044October 31, 2013160% over the limit
Solids, total suspended011July 31, 201313% over the limit
Flow, in conduit or thru treatment plant280
Temperature, water deg. fahrenheit240

NPDES IL0045241: inspections, violations and enforcement

NPDES IL0045241 (INEOS US CHEMICALS COMPANY-NAPERVILLE CAMPUS): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IL0045241

NPDES IL0045241: 5 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.