Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES ILG103024

CITGO PETRO - LEMONT REFINERY, Lemont, IL: NPDES ILG103024 discharge permit, effluent exceedances, inspections, penalties

CITGO PETRO - LEMONT REFINERY, held by CITGO PETROLEUM CORPORATION, holds NPDES permit ILG103024. 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for CITGO PETRO - LEMONT REFINERY: its NPDES ID, its permit type and status, its dates, its address in Lemont, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILG103024.

Identity

Facility as filedCITGO PETRO - LEMONT REFINERY
Permittee as filedCITGO PETROLEUM CORPORATION
NPDES IDILG103024
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
AddressLemont, IL 60439
SubwatershedMaple Lake-Chicago Sanitary and Ship Canal (HUC 071200040705)
Other EPA IDs (FRS)RCRA handler ILD030896567; ICIS-AIR source IL000197090AAI

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILG103024.

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 ILG103024.

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, ILG103024.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 ILG103024 there.

Nearby on the register

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

What this page shows

The CITGO PETRO - LEMONT REFINERY general permit coverage, held by CITGO PETROLEUM CORPORATION, is one of 66 general permit coverages in Will County, and 16.7% of those coverages have a violation on file. The permit also sits in the Maple Lake-Chicago Sanitary and Ship Canal subwatershed, which contains 131 NPDES permits, this one included, and it records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.