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Clean Water Act discharge permit · NPDES ILR10ZDYU

IDOT CONTRACT 60R49 MAR 24' LETTING ITEM 104 INTERCHANGE WORK IL 43 OVER 95TH ST, Oak Lawn, IL: NPDES ILR10ZDYU discharge permit, effluent exceedances, inspections, penalties

IDOT CONTRACT 60R49 MAR 24' LETTING ITEM 104 INTERCHANGE WORK IL 43 OVER 95TH ST, held by R. W. Dunteman Company, holds NPDES permit ILR10ZDYU. EPA’s file records it issued April 18, 2024 and expiring August 31, 2028. 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.

What the register holds for IDOT CONTRACT 60R49 MAR 24' LETTING ITEM 104 INTERCHANGE WORK IL 43 OVER 95TH ST: its NPDES ID, its permit type and status, its dates, its address in Oak Lawn, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZDYU.

Identity

Facility as filedIDOT CONTRACT 60R49 MAR 24' LETTING ITEM 104 INTERCHANGE WORK IL 43 OVER 95TH ST
Permittee as filedR. W. Dunteman Company
NPDES IDILR10ZDYU
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 18, 2024
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressOak Lawn, IL 60453
SubwatershedStony Creek (HUC 071200030401)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZDYU.

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 ILR10ZDYU.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ILR10ZDYU.

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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 ILR10ZDYU there.

Nearby on the register

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

What this page shows

The IDOT CONTRACT 60R49 MAR 24' LETTING ITEM 104 INTERCHANGE WORK IL 43 OVER 95TH ST permit is one of 13 storm water construction permits in Oak Lawn on EPA's NPDES register, and it sits within a Stony Creek subwatershed group of 41 NPDES permits. Among its 13 local peers, 0.0% have a violation on file, and 30.8% were issued earlier than this permit's April 18, 2024 date.