Clean Water Act discharge permit · NPDES IL0002364

WINNETKA POWER GENERATION STATION, Winnetka, IL: NPDES IL0002364 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
3Pollutants under a numeric limit
0Pollutants with an effluent exceedance

WINNETKA POWER GENERATION STATION, held by WINNETKA , VILLAGE OF, holds NPDES permit IL0002364, which discharges to Lake Michigan. EPA’s file records it issued September 3, 2013 and expiring August 31, 2018. 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.

Identity

Facility as filed	WINNETKA POWER GENERATION STATION
Permittee as filed	WINNETKA , VILLAGE OF
NPDES ID	IL0002364
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 3, 2013
Expiration date	August 31, 2018
Address	Winnetka, IL 60093
Receiving water	LAKE MICHIGAN
Receiving water impaired	303(D) Listed
Subwatershed	Diversey Harbor-Frontal Lake Michigan (HUC 040400020502)
SIC	4911 – Electric Services
Other EPA IDs (FRS)	ICIS-AIR source IL000031333AAD

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

3Pollutants on file
3Under a numeric limit
3With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
Flow, in conduit or thru treatment plant	6	56
Temperature, water deg. fahrenheit	13	46
pH	2	16

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IL0002364.

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 IL0002364.

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, IL0002364.

Start the watch

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 IL0002364 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit IL0002364 for the Winnetka Power Generation Station in Winnetka, IL, which discharges to Lake Michigan and is administratively continued. The permit was issued September 3, 2013 and expires August 31, 2018, and it lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.