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ICIS-AIR MT0000003011100051

YELLOWSTONE COUNTY GENERATING STATION, Laurel, MT: Clean Air Act compliance record, inspections, violations, penalties

YELLOWSTONE COUNTY GENERATING STATION is on EPA’s ICIS-AIR register at PARCEL 2, EAST OF SEWER PLANT ROAD, Laurel in Yellowstone County, Montana: operating status operating, emissions classification major source, current violation status “No Violation Identified”. Yellowstone County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

Identity

Facility as filedYELLOWSTONE COUNTY GENERATING STATION
ICIS-AIR IDMT0000003011100051
EPA facility registry ID110072141936
Operating statusOperating
Emissions classificationMajor source
Current violation status (HPV field)No Violation Identified
AddressPARCEL 2, EAST OF SEWER PLANT ROAD, Laurel, MT 59044
CountyYellowstone County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Utilities (NAICS 2211)
EPA region08

Programs and pollutants

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

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
November 5, 2025FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 15, 2024FCE On-SiteStateMACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

What high-priority and federally reportable violations mean.

EPA’s violation history file holds no violation for ICIS-AIR MT0000003011100051 since January 1, 2017.

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 MT0000003011100051 since January 1, 2017.

Stack tests

DateWhat EPA recordedAgency
November 18, 2025PassState
December 22, 2024PassState
November 4, 2024PassState
November 4, 2024PassState
November 4, 2024PassState
November 4, 2024PassState
November 4, 2024PassState
November 4, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState
July 22, 2024PassState

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Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110072141936).

Other air sources in Montana beside YELLOWSTONE COUNTY GENERATING STATION

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