Clean Water Act discharge permit · NPDES ILR10ZB6B

NEW TRIER TOWNSHIP HS DIST. 203 EAST SIDE ATHLETIC AND ACADEMIC IMPROVEMENTS, Winnetka, IL: NPDES ILR10ZB6B discharge permit, effluent exceedances, inspections, penalties

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

NEW TRIER TOWNSHIP HS DIST. 203 EAST SIDE ATHLETIC AND ACADEMIC IMPROVEMENTS, held by Pepper Construction Company, holds NPDES permit ILR10ZB6B. EPA’s file records it issued August 8, 2023 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 NEW TRIER TOWNSHIP HS DIST. 203 EAST SIDE ATHLETIC AND ACADEMIC IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Winnetka, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZB6B.

Identity

Facility as filed	NEW TRIER TOWNSHIP HS DIST. 203 EAST SIDE ATHLETIC AND ACADEMIC IMPROVEMENTS
Permittee as filed	Pepper Construction Company
NPDES ID	ILR10ZB6B
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	August 8, 2023
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Winnetka, IL 60093
Receiving water impaired	303(D) Listed
Subwatershed	Diversey Harbor-Frontal Lake Michigan (HUC 040400020502)
Other EPA IDs (FRS)	RCRA handler ILD984843367

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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 ILR10ZB6B.

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 ILR10ZB6B.

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, ILR10ZB6B.

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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 ILR10ZB6B there.

Nearby on the register

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

Of the 70 storm water construction permits in Cook County, 0.0% carry a violation on file. NEW TRIER TOWNSHIP HS DIST. 203 EAST SIDE ATHLETIC AND ACADEMIC IMPROVEMENTS is in the Diversey Harbor-Frontal Lake Michigan subwatershed (HUC 040400020502), which lists 30 NPDES permits, and 5.7% of Cook County's 70 storm water construction permits were issued before this permit.