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Clean Water Act discharge permit · NPDES ILR10ZFXJ

JOHNSON LAKE 2, Sheffield, IL: NPDES ILR10ZFXJ discharge permit, effluent exceedances, inspections, penalties

JOHNSON LAKE 2, held by Tri-City Electric Co., holds NPDES permit ILR10ZFXJ. EPA’s file records it issued August 8, 2025 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for JOHNSON LAKE 2: its NPDES ID, its permit type and status, its dates, its address in Sheffield, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZFXJ.

Identity

Facility as filedJOHNSON LAKE 2
Permittee as filedTri-City Electric Co.
NPDES IDILR10ZFXJ
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 8, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressSheffield, IL 61361
SubwatershedKing Creek (HUC 070900070303)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZFXJ.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZFXJ.

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, ILR10ZFXJ.

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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 ILR10ZFXJ there.

Nearby on the register

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

What this page shows

The King Creek subwatershed (HUC 070900070303) holds 3 NPDES permits, with JOHNSON LAKE 2 among them. Of the 11 storm water construction permits in Sheffield, 0.0% have a violation on file. Counting this permit, 11 storm water construction permits sit on EPA's NPDES register in Sheffield, and 54.5% of them were issued before it.