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Clean Water Act discharge permit · NPDES ILR10ZF3O

VERMILION DEMO FOR LANDFILL CONSTRUCTION, Oakwood, IL: NPDES ILR10ZF3O discharge permit, effluent exceedances, inspections, penalties

VERMILION DEMO FOR LANDFILL CONSTRUCTION, held by Dynegy MIdwest Generation LLC, holds NPDES permit ILR10ZF3O. EPA’s file records it issued May 7, 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 VERMILION DEMO FOR LANDFILL CONSTRUCTION: its NPDES ID, its permit type and status, its dates, its address in Oakwood, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZF3O.

Identity

Facility as filedVERMILION DEMO FOR LANDFILL CONSTRUCTION
Permittee as filedDynegy MIdwest Generation LLC
NPDES IDILR10ZF3O
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 7, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressOakwood, IL 61858
SubwatershedMiddle Fork Vermillion River (HUC 051201090509)

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 ILR10ZF3O.

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 ILR10ZF3O.

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, ILR10ZF3O.

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 ILR10ZF3O there.

Nearby on the register

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