Clean Water Act discharge permit · NPDES ILR10ZGGX

STADIUM IMPROVEMENTS AT LARKIN HIGH SCHOOL, Elgin, IL: NPDES ILR10ZGGX discharge permit, effluent exceedances, inspections, penalties

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

STADIUM IMPROVEMENTS AT LARKIN HIGH SCHOOL, held by TBD, holds NPDES permit ILR10ZGGX. EPA’s file records it issued January 15, 2026 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 STADIUM IMPROVEMENTS AT LARKIN HIGH SCHOOL: its NPDES ID, its permit type and status, its dates, its address in Elgin, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZGGX.

Identity

Facility as filed	STADIUM IMPROVEMENTS AT LARKIN HIGH SCHOOL
Permittee as filed	TBD
NPDES ID	ILR10ZGGX
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	January 15, 2026
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Elgin, IL 60123
Subwatershed	Otter Creek-Ferson Creek (HUC 071200070102)

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 ILR10ZGGX.

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 ILR10ZGGX.

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, ILR10ZGGX.

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 ILR10ZGGX there.

Nearby on the register

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

The STADIUM IMPROVEMENTS AT LARKIN HIGH SCHOOL permit is one of 41 storm water construction permits in Elgin, and 82.9% of those 41 permits carry an earlier issue date than this one. Among the 15 NPDES permits in the Otter Creek-Ferson Creek subwatershed, this permit is counted alongside its neighbors in that drainage area. Of the 41 Elgin storm water construction permits, 0.0% have a violation on file, and this permit has no pollutants under a numeric limit and no effluent exceedances.