Clean Water Act discharge permit · NPDES ILR10ZGQ9

CHESTNUT SUBDIVISION, Arlington Heights, IL: NPDES ILR10ZGQ9 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

CHESTNUT SUBDIVISION, held by Clim Development LLC, holds NPDES permit ILR10ZGQ9. EPA’s file records it issued March 29, 2026 and expiring August 31, 2028.

CHESTNUT SUBDIVISION, Arlington Heights, Illinois: Coverage under a general permit ILR10ZGQ9, held by Clim Development LLC; Construction stormwater; Effective; issued March 29, 2026, term to August 31, 2028, by IEPA.

Illinois holds 5,215 Construction stormwater coverages of this permit type in EPA’s file; 4,367 were issued before ILR10ZGQ9.

Coverages issued nearest ILR10ZGQ9

March 28, 2026: COMED TSS 167 PLANO SUBSTATION EXPANSION PROJECT, Plano, ILR10ZGQ3, held by Commonwealth Edison
March 28, 2026: HOWARD DRIVE INDUSTRIAL BUILDING, West Chicago, ILR10ZGQ4, held by McGrath Motors
March 28, 2026: SCOVILL SENIOR ACTIVITY CENTER, Decatur, ILR10ZGQ5, held by Decatur Park District
March 28, 2026: BEMES ROAD SOLAR, Crete, ILR10ZGQ6, held by Knobelsdorff Energy, LLC
March 28, 2026: EAMES STREET (US RTE 6) WATER MAIN EXTENSION, Channahon, ILR10ZGQ8, held by Steve Spiess Construction, Inc.
March 29, 2026: COLLEGE OF LAKE COUNTY - ROADWAY AND OUTDOOR SPORTS COMPLEX, Grayslake, ILR10ZGQA, held by Pepper Construction
March 29, 2026: SILVERTHORNE TOWNHOMES PHASE I, II AND III, Cortland, ILR10ZGQE, held by Silverthorne Group
March 29, 2026: VALERIAN SOLAR, LLC, Elwood, ILR10ZGQF, held by Knobelsdorff Energy, LLC
March 29, 2026: KICKAPOO-EDWARDS ROAD & CIVIL DEFENSE ROAD, Edwards, ILR10ZGQH, held by William Charles Construction Company, LLC
March 29, 2026: RECONSTRUCT TAXIWAY D, Waukegan, ILR10ZGQI, held by Alliance Contractos, Inc

CHESTNUT SUBDIVISION among its neighbors

EPA’s permit file holds 59 discharge permits in the McDonald Creek-Des Plaines River subwatershed (HUC 071200040503), ILR10ZGQ9 among them.

Other permits in the McDonald Creek-Des Plaines River subwatershed (HUC 071200040503)

2025 NORTHWOOD STREET & UTILITY IMPROVEMENTS, Lincolnshire: ILR10ZF4E, minor permit, permit term to August 31, 2028
4989: I-94 DRAINAGE IMPROVEMENTS, Mettawa: ILR10ZFY1, minor permit, permit term to August 31, 2028
4990: I-94 DRAINAGE IMPROVEMENTS, Lake Forest: ILR10ZG5N, minor permit, permit term to August 31, 2028
APTAKISIC JH ADDITIONS AND RENOVATIONS, Buffalo Grove: ILR10ZDSL, minor permit, permit term to August 31, 2028
APTAKISIC JUNIOR HIGH SCHOOL PARKING EXPANSION, Buffalo Grove: ILR10ZF5D, minor permit, permit term to August 31, 2028
AT&T BUFFALO GROVE GARAGE, Buffalo Grove: ILR10ZDAH, minor permit, permit term to August 31, 2028
BELLE TIRE BUFFALO GROVE, Buffalo Grove: ILR10ZDLG, minor permit, permit term to August 31, 2028
CAMP MCDONALD ROAD FROM WHEELING ROAD TO WOLF ROAD SIDEWALK IMPROVEMENT, Prospect Heights: ILR10ZGL6, minor permit, permit term to August 31, 2028
CHAMBER PARK SITE RENOVATIONS - WHEELING PARK DISTRICT, Wheeling: ILR10ZEC9, minor permit, permit term to August 31, 2028
COPELAND MANOR FLOOD CONTROL PROJECT, Libertyville: ILR10ZF09, minor permit, permit term to August 31, 2028

What the register holds for CHESTNUT SUBDIVISION: its NPDES ID, its permit type and status, its dates, its address in Arlington Heights, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZGQ9.

Identity

Facility as filed	CHESTNUT SUBDIVISION
Permittee as filed	Clim Development LLC
NPDES ID	ILR10ZGQ9
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 29, 2026
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Arlington Heights, IL 60004
Subwatershed	McDonald Creek-Des Plaines River (HUC 071200040503)

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 ILR10ZGQ9.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZGQ9.

Inspections

EPA’s inspection file holds no inspection for NPDES ILR10ZGQ9.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES ILR10ZGQ9.

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, ILR10ZGQ9.

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Nearby on the register

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

Of the 16 storm water construction permits in Arlington Heights, 0.0% carry a violation on file, and CHESTNUT SUBDIVISION is included in that group. Arlington Heights has 16 such permits on EPA's NPDES register, this permit included. The McDonald Creek-Des Plaines River subwatershed holds 59 NPDES permits, this permit included.