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Clean Water Act discharge permit · NPDES ILR10ZG0Z

CWLP WATER FACILITY, Springfield, IL: NPDES ILR10ZG0Z discharge permit, effluent exceedances, inspections, penalties

CWLP WATER FACILITY, held by City Water Light and Power, holds NPDES permit ILR10ZG0Z. EPA’s file records it issued August 31, 2025 and expiring August 31, 2028.

CWLP WATER FACILITY, Springfield, Illinois: Coverage under a general permit ILR10ZG0Z, held by City Water Light and Power; Construction stormwater; Effective; issued August 31, 2025, term to August 31, 2028, by IEPA.

Illinois holds 5,215 Construction stormwater coverages of this permit type in EPA’s file; 3,514 were issued before ILR10ZG0Z.

Coverages issued nearest ILR10ZG0Z

CWLP WATER FACILITY among its neighbors

EPA’s permit file holds 22 discharge permits in the Hoover Branch-Sugar Creek subwatershed (HUC 071300070708), ILR10ZG0Z among them.

Other permits in the Hoover Branch-Sugar Creek subwatershed (HUC 071300070708)

What the register holds for CWLP WATER FACILITY: its NPDES ID, its permit type and status, its dates, its address in Springfield, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZG0Z.

Identity

Facility as filedCWLP WATER FACILITY
Permittee as filedCity Water Light and Power
NPDES IDILR10ZG0Z
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 31, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressSpringfield, IL 62703
SubwatershedHoover Branch-Sugar Creek (HUC 071300070708)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZG0Z.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZG0Z.

Inspections

EPA’s inspection file holds no inspection for NPDES ILR10ZG0Z.

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 ILR10ZG0Z.

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, ILR10ZG0Z.

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Nearby on the register

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

What this page shows

Among the 63 storm water construction permits in Springfield, 0.0% have a violation recorded. Springfield has 63 storm water construction permits on EPA's NPDES register, including CWLP WATER FACILITY. The Hoover Branch-Sugar Creek subwatershed (HUC 071300070708) holds 22 NPDES permits, and 69.8% of Springfield's 63 permits carry an earlier issue date than this permit.