Velarion Records

Clean Water Act discharge permit · NPDES ILR10ZFSF

4979: PLAZA IMPROVEMENTS ALONG I-90 TOLLWAY FROM MP 62.5 TO 70.8, Hoffman Estates, IL: NPDES ILR10ZFSF discharge permit, effluent exceedances, inspections, penalties

4979: PLAZA IMPROVEMENTS ALONG I-90 TOLLWAY FROM MP 62.5 TO 70.8, held by K-Five Construction Corporation, holds NPDES permit ILR10ZFSF. EPA’s file records it issued July 11, 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 4979: PLAZA IMPROVEMENTS ALONG I-90 TOLLWAY FROM MP 62.5 TO 70.8: 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 ILR10ZFSF.

Identity

Facility as filed4979: PLAZA IMPROVEMENTS ALONG I-90 TOLLWAY FROM MP 62.5 TO 70.8
Permittee as filedK-Five Construction Corporation
NPDES IDILR10ZFSF
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 11, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressHoffman Estates, IL 60169
Receiving water impaired303(D) Listed
SubwatershedBensenville Ditch-Des Plaines River (HUC 071200040506)

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 ILR10ZFSF.

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 ILR10ZFSF.

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

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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 ILR10ZFSF there.

Nearby on the register

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

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