Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES ILR10ZD4G

IDOT CONTRACT 62K04. JUNE '23 LETTING ITEM 121. US 20 AT GARY AVE, Hanover Park, IL: NPDES ILR10ZD4G discharge permit, effluent exceedances, inspections, penalties

IDOT CONTRACT 62K04. JUNE '23 LETTING ITEM 121. US 20 AT GARY AVE, held by RW Dunteman Company, holds NPDES permit ILR10ZD4G. EPA’s file records it issued August 31, 2023 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for IDOT CONTRACT 62K04. JUNE '23 LETTING ITEM 121. US 20 AT GARY AVE: its NPDES ID, its permit type and status, its dates, its address in Hanover Park, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZD4G.

Identity

Facility as filedIDOT CONTRACT 62K04. JUNE '23 LETTING ITEM 121. US 20 AT GARY AVE
Permittee as filedRW Dunteman Company
NPDES IDILR10ZD4G
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 31, 2023
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressHanover Park, IL 60133
SubwatershedUpper West Branch Du Page River (HUC 071200040801)

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 ILR10ZD4G.

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 ILR10ZD4G.

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, ILR10ZD4G.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 ILR10ZD4G there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

Of the 6 storm water construction permits filed in Hanover Park, 0.0% carry a violation on record, and IDOT CONTRACT 62K04. JUNE '23 LETTING ITEM 121. US 20 AT GARY AVE is counted in that group. The Upper West Branch Du Page River subwatershed lists 46 NPDES permits, and 16.7% of Hanover Park's storm water permits were issued before this permit.