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 ILR10ZBIG

OAK CREEK, Mundelein, IL: NPDES ILR10ZBIG discharge permit, effluent exceedances, inspections, penalties

OAK CREEK, held by DR Horton, holds NPDES permit ILR10ZBIG. EPA’s file records it issued December 12, 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 OAK CREEK: its NPDES ID, its permit type and status, its dates, its address in Mundelein, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZBIG.

Identity

Facility as filedOAK CREEK
Permittee as filedDR Horton
NPDES IDILR10ZBIG
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 12, 2023
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressMundelein, IL 60060
SubwatershedIndian Creek (HUC 071200040501)

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 ILR10ZBIG.

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 ILR10ZBIG.

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, ILR10ZBIG.

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 ILR10ZBIG there.

Nearby on the register

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

What this page shows

Among the 25 storm water construction permits in Mundelein, 0.0% have a violation on file. OAK CREEK is among 25 storm water construction permits on EPA's NPDES register in Mundelein, including this permit. The Indian Creek subwatershed lists 45 NPDES permits, including this permit, and 20.0% of the Mundelein storm water permits were issued before it.