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Clean Water Act discharge permit · NPDES ILR10ZEZS

PROJECT POST PHASE 2 - CHI06, Hoffman Estates, IL: NPDES ILR10ZEZS discharge permit, effluent exceedances, inspections, penalties

PROJECT POST PHASE 2 - CHI06, held by Walsh Construction, holds NPDES permit ILR10ZEZS. EPA’s file records it issued December 18, 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 PROJECT POST PHASE 2 - CHI06: its NPDES ID, its permit type and status, its dates, its address in Hoffman Estates, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZEZS.

Identity

Facility as filedPROJECT POST PHASE 2 - CHI06
Permittee as filedWalsh Construction
NPDES IDILR10ZEZS
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 18, 2024
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressHoffman Estates, IL 60192
SubwatershedPoplar Creek (HUC 071200061205)

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 ILR10ZEZS.

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 ILR10ZEZS.

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, ILR10ZEZS.

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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 ILR10ZEZS there.

Nearby on the register

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

What this page shows

0.0% of the 28 storm water construction permits in Hoffman Estates have a violation on file. PROJECT POST PHASE 2 - CHI06 is among those 28 on EPA's NPDES register, with 35.7% issued before it, and the Poplar Creek subwatershed includes 50 NPDES permits, this permit included.