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Clean Water Act discharge permit · NPDES ILR10ZGZQ

AMEREN ALTON OPERATING CENTER PAVING, Alton, IL: NPDES ILR10ZGZQ discharge permit, effluent exceedances, inspections, penalties

AMEREN ALTON OPERATING CENTER PAVING, held by TBD, holds NPDES permit ILR10ZGZQ. EPA’s file records it issued May 24, 2026 and expiring August 31, 2028.

AMEREN ALTON OPERATING CENTER PAVING, Alton, Illinois: Coverage under a general permit ILR10ZGZQ, held by TBD; Construction stormwater; Effective; issued May 24, 2026, term to August 31, 2028, by IEPA.

Illinois holds 5,215 Construction stormwater coverages of this permit type in EPA’s file; 4,707 were issued before ILR10ZGZQ. TBD holds 547 permits in Illinois.

Other permits held by TBD

Coverages issued nearest ILR10ZGZQ

AMEREN ALTON OPERATING CENTER PAVING among its neighbors

EPA’s permit file holds 12 discharge permits in the West Fork Wood River subwatershed (HUC 071100090303), ILR10ZGZQ among them.

Other permits in the West Fork Wood River subwatershed (HUC 071100090303)

What the register holds for AMEREN ALTON OPERATING CENTER PAVING: its NPDES ID, its permit type and status, its dates, its address in Alton, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZGZQ.

Identity

Facility as filedAMEREN ALTON OPERATING CENTER PAVING
Permittee as filedTBD
NPDES IDILR10ZGZQ
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 24, 2026
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressAlton, IL 62002
SubwatershedWest Fork Wood River (HUC 071100090303)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZGZQ.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZGZQ.

Inspections

EPA’s inspection file holds no inspection for NPDES ILR10ZGZQ.

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 ILR10ZGZQ.

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, ILR10ZGZQ.

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Nearby on the register

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

What this page shows

AMEREN ALTON OPERATING CENTER PAVING sits in Alton, where 0.0% of storm water construction permits have a violation on file. The West Fork Wood River subwatershed lists 12 NPDES permits, including this permit. Alton's storm water construction permits number 11 on EPA's NPDES register, and 81.8% of them carry an earlier issue date than this permit.