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Clean Water Act discharge permit · NPDES IL0048119

UOP LLC, Des Plaines, IL: NPDES IL0048119 discharge permit, effluent exceedances, inspections, penalties

UOP LLC holds NPDES permit IL0048119, which discharges to Weller Creek. EPA’s file records it issued February 1, 2013 and expiring January 31, 2018. 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 filedUOP LLC
Permittee as filedUOP LLC
NPDES IDIL0048119
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
IssuedFebruary 1, 2013
Expiration dateJanuary 31, 2018
AddressDes Plaines, IL 60017
Receiving waterWELLER CREEK
Receiving water impaired303(D) Listed
SubwatershedWeller Creek-Des Plaines River (HUC 071200040505)
Other EPA IDs (FRS)RCRA handler ILD084741222; ICIS-AIR source IL000031063ABE

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

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chloride [as Cl]2120
Flow, in conduit or thru treatment plant240
Sulfate [as S]220
pH220
Solids, total suspended220

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IL0048119.

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 IL0048119.

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 IL0048119 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit IL0048119, held by UOP LLC in Des Plaines, IL, which discharges to Weller Creek and is administratively continued. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it identifies the subwatershed as Weller Creek-Des Plaines River (HUC 071200040505).