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Clean Water Act discharge permit · NPDES ILR10ZGG7

3505 ADAMS ROAD, Oak Brook, IL: NPDES ILR10ZGG7 discharge permit, effluent exceedances, inspections, penalties

3505 ADAMS ROAD, held by DAVE KNECHT HOMES, holds NPDES permit ILR10ZGG7. EPA’s file records it issued January 9, 2026 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 3505 ADAMS ROAD: its NPDES ID, its permit type and status, its dates, its address in Oak Brook, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZGG7.

Identity

Facility as filed3505 ADAMS ROAD
Permittee as filedDAVE KNECHT HOMES
NPDES IDILR10ZGG7
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 9, 2026
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressOak Brook, IL 60523
SubwatershedLower Salt Creek (HUC 071200040404)

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 ILR10ZGG7.

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 ILR10ZGG7.

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, ILR10ZGG7.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
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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 ILR10ZGG7 there.

Nearby on the register

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

What this page shows

Of the 26 storm water construction permits recorded for Oak Brook, 0.0% have a violation on file. 3505 ADAMS ROAD sits among 103 NPDES permits in the Lower Salt Creek subwatershed, and 84.6% of Oak Brook's 26 storm water permits were issued earlier.