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Clean Water Act discharge permit · NPDES ILR10ZDSG

LL CRESTWOOD, Crestwood, IL: NPDES ILR10ZDSG discharge permit, effluent exceedances, inspections, penalties

LL CRESTWOOD, held by TBD, holds NPDES permit ILR10ZDSG. EPA’s file records it issued March 6, 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 LL CRESTWOOD: its NPDES ID, its permit type and status, its dates, its address in Crestwood, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZDSG.

Identity

Facility as filedLL CRESTWOOD
Permittee as filedTBD
NPDES IDILR10ZDSG
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 6, 2024
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressCrestwood, IL 60418
Receiving water impaired303(D) Listed
SubwatershedCalumet Sag Channel (HUC 071200030403)

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 ILR10ZDSG.

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 ILR10ZDSG.

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, ILR10ZDSG.

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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 ILR10ZDSG there.

Nearby on the register

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

What this page shows

Of the 7 storm water construction permits in Crystal Lake, 0.0% have a violation on file, and LL CRESTWOOD is part of that group. Issue dates earlier than this permit apply to 57.1% of the Crestwood group. The Calumet Sag Channel subwatershed lists 51 NPDES permits, including this permit.