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ICIS-AIR IN0000001817900026

MONTPELIER GENERATING STATION LLC, Poneto, IN: Clean Air Act compliance record, inspections, violations, penalties

MONTPELIER GENERATING STATION LLC is on EPA’s ICIS-AIR register at 8495 S 450 W, Poneto in Wells County, Indiana: operating status operating, emissions classification major source, current violation status “Violation w/in 1 Year”.

Identity

Facility as filedMONTPELIER GENERATING STATION LLC
ICIS-AIR IDIN0000001817900026
EPA facility registry ID110021089061
Operating statusOperating
Emissions classificationMajor source
Current violation status (HPV field)Violation w/in 1 Year
Address8495 S 450 W, Poneto, IN 46781-9772
CountyWells 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
August 29, 2024FCE On-SiteStateTitle V Permits
August 15, 2024PCE On-SiteStateTitle V Permits
June 26, 2019FCE On-SiteStateTitle V Permits

Violations

What high-priority and federally reportable violations mean.

DateWhat EPA recordedAgencyPrograms
May 14, 2026Earliest FRV determinationStateTitle V Permits
November 1, 2023Earliest FRV determinationStateTitle V Permits
June 15, 2022Earliest 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

EPA’s informal action file holds no notice or warning for ICIS-AIR IN0000001817900026 since January 1, 2017.

Stack tests

The newest 50 of 54.

DateWhat EPA recordedAgency
April 1, 2026PassState
April 1, 2026PassState
April 1, 2026PassState
April 1, 2026PassState
March 31, 2026PassState
March 31, 2026PassState
March 31, 2026PassState
March 31, 2026PassState
March 30, 2026PassState
March 30, 2026PassState
January 22, 2026PassState
January 22, 2026PassState
January 21, 2026PassState
January 21, 2026PassState
July 18, 2025PassState
July 18, 2025PassState
April 24, 2024PassState
April 24, 2024PassState
April 4, 2024PassState
April 4, 2024PassState
April 4, 2024PassState
April 4, 2024PassState
April 4, 2024PassState
April 4, 2024PassState
December 15, 2023PassState
December 15, 2023PassState
November 3, 2023PassState
November 3, 2023PassState
November 3, 2023PassState
November 3, 2023PassState
March 14, 2023PassState
March 14, 2023PassState
March 14, 2023PassState
March 14, 2023PassState
August 26, 2022PassState
August 26, 2022PassState
July 8, 2022PassState
July 8, 2022PassState
January 27, 2021PassState
January 27, 2021PassState
January 26, 2021PassState
January 26, 2021PassState
January 26, 2021PassState
January 26, 2021PassState
November 4, 2020PassState
November 4, 2020PassState
October 30, 2020PassState
October 30, 2020PassState
December 20, 2017PassState
December 20, 2017PassState

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Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110021089061).

Other air sources in Indiana beside MONTPELIER GENERATING STATION LLC

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