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Clean Water Act discharge permit · NPDES ILR10ZE58

TIMOTHY CHRISTIAN HIGH SCHOOL, Elmhurst, IL: NPDES ILR10ZE58 discharge permit, effluent exceedances, inspections, penalties

TIMOTHY CHRISTIAN HIGH SCHOOL, held by Executive Construction Inc., holds NPDES permit ILR10ZE58. EPA’s file records it issued May 23, 2024 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 TIMOTHY CHRISTIAN HIGH SCHOOL: its NPDES ID, its permit type and status, its dates, its address in Elmhurst, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZE58.

Identity

Facility as filedTIMOTHY CHRISTIAN HIGH SCHOOL
Permittee as filedExecutive Construction Inc.
NPDES IDILR10ZE58
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 23, 2024
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressElmhurst, IL 60126
Receiving water impaired303(D) Listed
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 ILR10ZE58.

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 ILR10ZE58.

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, ILR10ZE58.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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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 ILR10ZE58 there.

Nearby on the register

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

What this page shows

TIMOTHY CHRISTIAN HIGH SCHOOL is among 20 storm water construction permits in DuPage County, and 0.0% of those carry a violation on file. The Lower Salt Creek subwatershed includes 103 NPDES permits, this permit among them. Counting this permit, 30.0% of the DuPage County group were issued before it.