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Clean Water Act discharge permit · NPDES ILR10ZC4Q

CRABTREE INTERCEPTOR IMPROVEMENTS, Woodridge, IL: NPDES ILR10ZC4Q discharge permit, effluent exceedances, inspections, penalties

CRABTREE INTERCEPTOR IMPROVEMENTS, held by Benchmark Construction, holds NPDES permit ILR10ZC4Q. EPA’s file records it issued August 25, 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 CRABTREE INTERCEPTOR IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Woodridge, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZC4Q.

Identity

Facility as filedCRABTREE INTERCEPTOR IMPROVEMENTS
Permittee as filedBenchmark Construction
NPDES IDILR10ZC4Q
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 25, 2023
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressWoodridge, IL 60517
SubwatershedEast Branch Du Page River (HUC 071200040804)

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 ILR10ZC4Q.

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 ILR10ZC4Q.

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, ILR10ZC4Q.

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  • 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 ILR10ZC4Q there.

Nearby on the register

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

What this page shows

Violations are on file for 0.0% of the 17 storm water construction permits in Woodridge. CRABTREE INTERCEPTOR IMPROVEMENTS sits in the East Branch Du Page River subwatershed (HUC 071200040804), which lists 57 NPDES permits, and 0.0% of Woodridge's 17 storm water construction permits were issued before this permit.