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Clean Water Act discharge permit · NPDES ILL028070

MWRDGC LEMONT WRP, Chicago, IL: NPDES ILL028070 discharge permit, effluent exceedances, inspections, penalties

MWRDGC LEMONT WRP, held by METRO WATER RECLAMATION DISTRIC OF GREATER CHICAGO, holds NPDES permit ILL028070. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. 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 filedMWRDGC LEMONT WRP
Permittee as filedMETRO WATER RECLAMATION DISTRIC OF GREATER CHICAGO
NPDES IDILL028070
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeAssociated permit record
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramBiosolids
IssuedJanuary 1, 2021
Expiration dateDecember 31, 2025
AddressChicago, IL 60439
Receiving water impaired303(D) Listed
SubwatershedMaple Lake-Chicago Sanitary and Ship Canal (HUC 071200040705)
Other EPA IDs (FRS)RCRA handler ILR000189845

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Arsenic, dry weight030
Selenium, dry weight030
Copper, dry weight030
Cadmium, dry weight030
Zinc, sludge, total, dry weight [as Zn]030
Lead, sludge, total, dry weight [as Pb]030
Nickel, sludge, total, dry weight [as Ni]030
Mercury, sludge, total, dry weight [as Hg]030
Molybdenum, sludge, total, dry weight [as Mo]020
Ann. amt sludge disposed by other method010
Annual amt of sludge incinerated010
Annual sludge production, total010
Annual amount of sludge land applied010
Annual amt. sludge disposed surface unit010
Annual amt sludge disposed in landfill010
Annual amt sludge transported interstate010
Pollutant table from 503.13010
Level of pathogen requirements achieved010
Description of pathogen option used010
Vector attraction reduction alternative used010

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ILL028070.

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 ILL028070.

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 ILL028070 there.

Nearby on the register

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

What this page shows

The MWRDGC LEMONT WRP permit, filed under the permittee METRO WATER RECLAMATION DISTRIC OF GREATER CHICAGO, is one of 15 biosolids permits in Cook County on EPA's NPDES register, and 86.7% of those 15 permits have a violation on file. Among all 15 biosolids permits in Cook County, including this one, 13.3% carry an earlier issue date than this permit, which was issued January 1, 2021. The permit sits within a subwatershed that holds 131 NPDES permits, this one included, and it records no pollutant under a numeric limit and no effluent exceedance.