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ICIS-AIR WI0000005501700023

NORTHERN STATES PWR CO WHEATON GEN STA, Eau Claire, WI: Clean Air Act compliance record, inspections, violations, penalties

NORTHERN STATES PWR CO WHEATON GEN STA is on EPA’s ICIS-AIR register at 3008 80TH ST, Eau Claire in Chippewa County, Wisconsin: operating status operating, emissions classification major source, current violation status “No Violation Identified”.

What stands out

  • The newest of the 25 events on file is a stack test dated August 11, 2026.
  • Its events on file run from August 29, 2017 through August 11, 2026.
  • All 5 of its compliance evaluations on file are full compliance evaluations.
  • 1 of the 17 stack tests on file is recorded as failed.
  • The register holds 18 air-emissions sources in Chippewa County, Wisconsin.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filedNORTHERN STATES PWR CO WHEATON GEN STA
ICIS-AIR IDWI0000005501700023
EPA facility registry ID110007776692
Operating statusOperating
Emissions classificationMajor source
Current violation status (HPV field)No Violation Identified
Address3008 80TH ST, Eau Claire, WI 547036907
CountyChippewa County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Utilities (NAICS 2211)
SIC code4911
EPA region05

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
September 5, 2025FCE On-SiteStateTitle V Permits
August 6, 2024FCE On-SiteStateTitle V Permits
February 4, 2022FCE On-SiteStateTitle V Permits
March 31, 2020FCE On-SiteStateTitle V Permits
April 13, 2018FCE On-SiteStateTitle V Permits

Violations

What high-priority and federally reportable violations mean.

DateWhat EPA recordedAgencyPrograms
July 30, 2025Earliest FRV determinationStateTitle V Permits
July 30, 2025Earliest FRV determinationStateTitle V Permits

Enforcement and penalties

0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Informal enforcement

DateWhat EPA recordedAgency
September 26, 2025Warning LetterState

Stack tests

DateWhat EPA recordedAgency
August 11, 2026PassState
February 10, 2026FailState
February 2, 2026PassState
September 15, 2025PassState
October 24, 2023PassState
November 17, 2022PassState
November 16, 2022PassState
November 16, 2022PassState
November 16, 2022PassState
October 3, 2022PassState
March 31, 2022PassState
March 30, 2022PassState
March 28, 2022PassState
November 13, 2018PassState
August 30, 2017PassState
August 29, 2017PassState
August 29, 2017N/AState

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Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110007776692).

Other air sources in Wisconsin beside NORTHERN STATES PWR CO WHEATON GEN STA

EPA ICIS-AIR download, loaded September 14, 2026.