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Clean Water Act discharge permit · NPDES ILG103033

IMTT - JOLIET, Joliet, IL: NPDES ILG103033 discharge permit, effluent exceedances, inspections, penalties

IMTT - JOLIET holds NPDES permit ILG103033. EPA’s file records it issued September 29, 2022 and expiring May 31, 2027. 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 IMTT - JOLIET: its NPDES ID, its permit type and status, its dates, its address in Joliet, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILG103033.

Identity

Facility as filedIMTT - JOLIET
Permittee as filedIMTT - JOLIET
NPDES IDILG103033
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 29, 2022
Expiration dateMay 31, 2027
AddressJoliet, IL 60410
SubwatershedDes Plaines River (HUC 071200040905)

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 ILG103033.

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 ILG103033.

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.

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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 ILG103033 there.

Nearby on the register

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

What this page shows

16.7% of the 66 general permit coverages in Will County have a violation on file, and IMTT - JOLIET is included in that group. The Des Plaines River subwatershed (HUC 071200040905) holds 74 NPDES permits, including this permit. Will County lists 66 general permit coverages on EPA's NPDES register, and 42.4% of them were issued earlier than this permit.