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Clean Water Act discharge permit · NPDES ILR10ZF9D

GLENBARD SOUTH HIGH SCHOOL, Glen Ellyn, IL: NPDES ILR10ZF9D discharge permit, effluent exceedances, inspections, penalties

GLENBARD SOUTH HIGH SCHOOL, held by Gilbane Building Company, holds NPDES permit ILR10ZF9D. EPA’s file records it issued March 17, 2025 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 GLENBARD SOUTH HIGH SCHOOL: its NPDES ID, its permit type and status, its dates, its address in Glen Ellyn, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZF9D.

Identity

Facility as filedGLENBARD SOUTH HIGH SCHOOL
Permittee as filedGilbane Building Company
NPDES IDILR10ZF9D
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 17, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressGlen Ellyn, IL 60137
SubwatershedHeadwaters East Branch Du Page River (HUC 071200040803)
Other EPA IDs (FRS)RCRA handler ILD984815969

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZF9D.

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 ILR10ZF9D.

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, ILR10ZF9D.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/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 ILR10ZF9D there.

Nearby on the register

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

What this page shows

0.0% of the 17 storm water construction permits in Glen Ellyn carry a violation on file. The Headwaters East Branch Du Page River drainage area (HUC 071200040803) lists 69 NPDES permits, with GLENBARD SOUTH HIGH SCHOOL included. Of Glen Ellyn's 17 storm water construction permits on EPA's NPDES register, 52.9% were issued before this permit.