Clean Water Act discharge permit · NPDES ILR10ZBI1

REDWOOD AURORA, Aurora, IL: NPDES ILR10ZBI1 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

REDWOOD AURORA, held by Redwood USA, LLC, holds NPDES permit ILR10ZBI1. EPA’s file records it issued September 22, 2023 and expiring August 31, 2028.

REDWOOD AURORA, Aurora, Illinois: Coverage under a general permit ILR10ZBI1, held by Redwood USA, LLC; Construction stormwater; Effective; issued September 22, 2023, term to August 31, 2028, by IEPA.

Illinois holds 5,215 Construction stormwater coverages of this permit type in EPA’s file; 497 were issued before ILR10ZBI1. Redwood USA, LLC holds 6 permits in Illinois.

Other permits held by Redwood USA, LLC

REDWOOD CRYSTAL LAKE CENTRAL PARK DRIVE, Crystal Lake: ILR10ZBIV, issued September 22, 2023
REDWOOD OSWEGO PHASE 3, Oswego: ILR10ZCMN, issued September 22, 2023
REDWOOD FOX RIVER GROVE, Fox River Grove: ILR10ZCMO, issued September 22, 2023
REDWOOD LAKE VILLA, Lake Villa: ILR10ZDLK, issued December 28, 2023
REDWOOD MCHENRY, Mchenry: ILR10ZGA8, issued November 8, 2025

Coverages issued nearest ILR10ZBI1

September 22, 2023: FINAL PLAT NO. 1 OF SYCAMORE CROSSINGS - CONSTRUCTION OF RESIDENTIAL BUILDINGS, Sycamore, ILR10ZAS8, held by Youssi Real Estate and Development, Inc.
September 22, 2023: REDWOOD OSWEGO ORCHARD ROAD, Oswego, ILR10ZAXE, held by Redwood USA, LLC.
September 22, 2023: WHISPERING OAKS UNIT 2 SUBDIVISION, Channahon, ILR10ZAYA, held by WO Phase 2 Development, LLC
September 22, 2023: RIVERTON CUSD #14 ATHLETIC RENOVATIONS, Riverton, ILR10ZB6D, held by Byrne and Jones Construction
September 22, 2023: LONGFELLOW SUBDIVISION, Downers Grove, ILR10ZB6Y, held by McNaughton Development, LLC
September 22, 2023: REDWOOD CRYSTAL LAKE CENTRAL PARK DRIVE, Crystal Lake, ILR10ZBIV, held by Redwood USA, LLC
September 22, 2023: DEER CROSSING - JOLIET, IL - MCNAUGHTON DEVELOPMENT, Joliet, ILR10ZBLI, held by McNaughton Developement, Inc.
September 22, 2023: MANTENO PUBLIC WORKS FACILITY, Manteno, ILR10ZBQX, held by Tenco Excavating, Inc.
September 22, 2023: UTILITY CONCRETE PRODUCTS, LLC - NORTH EXPANSION, Morris, ILR10ZBTA, held by Utility Concrete Products, LLC
September 22, 2023: 400 AREA ROADWAY IMPROVEMENTS PHASE 2 AND 3 (KEARNEY AND BLUFF ROADS), Lemont, ILR10ZBXP, held by UChicago Argonne, LLC

REDWOOD AURORA among its neighbors

EPA’s permit file holds 34 discharge permits in the East Run-Blackberry Creek subwatershed (HUC 071200070202), ILR10ZBI1 among them.

Other permits in the East Run-Blackberry Creek subwatershed (HUC 071200070202)

AMANO EXPANSION, Elgin: ILR10ZDIN, minor permit, permit term to August 31, 2028
BLACKBERRY CROSSING WEST PARK PHASE I IMPROVEMENTS, Montgomery: ILR10ZDJI, minor permit, permit term to August 31, 2028
BRENART EYE CARE POND MODIFICATIONS, Yorkville: ILR10ZDHA, minor permit, permit term to August 31, 2028
CHRIST COMMUNITY CHURCH, Aurora, Il 60506: ILR10ZFIS, minor permit, permit term to August 31, 2028
COSTCO WHOLESALE YORKVILLE, Yorkville: ILR10ZF7E, minor permit, permit term to August 31, 2028
GRANDE RESERVE - UNITS 18, 21, 25, & 28, Yorkville: ILR10ZEPS, minor permit, permit term to August 31, 2028
GRANDE RESERVE 10 & 11, Yorkville: ILR10ZF86, minor permit, permit term to August 31, 2028
GRANDE RESERVE SUBDIVISION, Yorkville: ILR10Y931, minor permit, permit term to August 31, 2028
GRANDE RESERVE U9 N8, Yorkville: ILR10ZATP, minor permit, permit term to August 31, 2028
GRANDE RESERVE UNIT 10 &11, Yorkville: ILR10ZEL9, minor permit, permit term to August 31, 2028

What the register holds for REDWOOD AURORA: its NPDES ID, its permit type and status, its dates, its address in Aurora, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZBI1.

Identity

Facility as filed	REDWOOD AURORA
Permittee as filed	Redwood USA, LLC
NPDES ID	ILR10ZBI1
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	September 22, 2023
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Aurora, IL 60506
Subwatershed	East Run-Blackberry Creek (HUC 071200070202)

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 ILR10ZBI1.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZBI1.

Inspections

EPA’s inspection file holds no inspection for NPDES ILR10ZBI1.

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 ILR10ZBI1.

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Nearby on the register

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

Of the 54 storm water construction permits in Aurora, 0.0% have a violation on file. The East Run-Blackberry Creek subwatershed holds 34 NPDES permits, counting REDWOOD AURORA.