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Clean Water Act discharge permit · NPDES ILG103061

NILES MS4, Niles, IL: NPDES ILG103061 discharge permit, effluent exceedances, inspections, penalties

NILES MS4, held by NILES, VILLAGE OF, holds NPDES permit ILG103061. EPA’s file records it issued September 29, 2022 and expiring May 31, 2027.

NILES MS4, Niles, Illinois: Coverage under a general permit ILG103061, held by NILES, VILLAGE OF; Effective; issued September 29, 2022, term to May 31, 2027.

NILES MS4 among its neighbors

EPA’s permit file holds 36 discharge permits in the Middle North Branch Chicago River subwatershed (HUC 071200030105), ILG103061 among them. Its county holds 718, 9 of them major permits; ILG103061 is a minor permit.

Other permits in the Middle North Branch Chicago River subwatershed (HUC 071200030105)

What the register holds for NILES MS4: its NPDES ID, its permit type and status, its dates, its address in Niles, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILG103061.

Identity

Facility as filedNILES MS4
Permittee as filedNILES, VILLAGE OF
NPDES IDILG103061
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
AddressNiles, IL 60714
Receiving water impaired303(D) Listed
SubwatershedMiddle North Branch Chicago River (HUC 071200030105)
Other EPA IDs (FRS)RCRA handler ILR000005264

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILG103061.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILG103061.

Inspections

EPA’s inspection file holds no inspection for NPDES ILG103061.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES ILG103061.

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, ILG103061.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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Nearby on the register

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

What this page shows

Violations are on file for 5.2% of the 96 general permit coverages in Cook County. Of those 96, 44.8% were issued before this one. NILES MS4 is counted among 36 NPDES permits in the Middle North Branch Chicago River subwatershed.