Clean Water Act discharge permit · NPDES ILR10ZDUH

LOCKLEY PARK, Plainfield, IL: NPDES ILR10ZDUH discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

LOCKLEY PARK, held by M/I Homes of Chicago, LLC, holds NPDES permit ILR10ZDUH. EPA’s file records it issued March 22, 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 LOCKLEY PARK: its NPDES ID, its permit type and status, its dates, its address in Plainfield, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZDUH.

Identity

Facility as filed	LOCKLEY PARK
Permittee as filed	M/I Homes of Chicago, LLC
NPDES ID	ILR10ZDUH
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	March 22, 2024
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Plainfield, IL 60544
Subwatershed	Middle Du Page River (HUC 071200040808)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZDUH.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZDUH.

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, ILR10ZDUH.

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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 ILR10ZDUH there.

Nearby on the register

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

The LOCKLEY PARK storm water construction permit, held by M/I Homes of Chicago, LLC, is one of 47 such permits on EPA's NPDES register in Plainfield, Illinois, and 0.0% of those 47 permits have a violation on file. Among those same 47 Plainfield storm water construction permits, 27.7% were issued earlier than this one, which was issued March 22, 2024. The permit is one of 45 NPDES permits in the Middle Du Page River subwatershed, and it has no pollutants under a numeric limit and no pollutants with an effluent exceedance.