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Clean Water Act discharge permit · NPDES ILR10ZDZ6

REGENCY SQUARE, Huntley, IL: NPDES ILR10ZDZ6 discharge permit, effluent exceedances, inspections, penalties

REGENCY SQUARE, held by CalAtlantic Group, LLC, holds NPDES permit ILR10ZDZ6. EPA’s file records it issued April 20, 2024 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 REGENCY SQUARE: its NPDES ID, its permit type and status, its dates, its address in Huntley, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZDZ6.

Identity

Facility as filedREGENCY SQUARE
Permittee as filedCalAtlantic Group, LLC
NPDES IDILR10ZDZ6
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 20, 2024
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressHuntley, IL 60142
SubwatershedCity of Huntley-South Branch Kishwaukee River (HUC 070900060202)

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 ILR10ZDZ6.

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 ILR10ZDZ6.

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, ILR10ZDZ6.

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  • One permit holder — $99/month
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  • 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 ILR10ZDZ6 there.

Nearby on the register

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

What this page shows

Of the 20 storm water construction permits in Huntley, 0.0% have a violation on file. REGENCY SQUARE is among 20 storm water construction permits in Huntley, including this permit, and 25.0% of that group has an earlier issue date. The City of Huntley-South Branch Kishwaukee River subwatershed lists 32 NPDES permits, including this permit.