Clean Air Act stationary source · ICIS-AIR MT0000003011100051
YELLOWSTONE COUNTY GENERATING STATION, Laurel, MT: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 2Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
YELLOWSTONE COUNTY GENERATING STATION, at PARCEL 2, EAST OF SEWER PLANT ROAD, Laurel in Yellowstone County, Montana, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Yellowstone County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.
Identity
| Facility as filed | YELLOWSTONE COUNTY GENERATING STATION |
|---|---|
| ICIS-AIR ID | MT0000003011100051 |
| EPA facility registry ID | 110072141936 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | PARCEL 2, EAST OF SEWER PLANT ROAD, Laurel, MT 59044 |
| County | Yellowstone County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Utilities (NAICS 2211) |
| EPA region | 08 |
Cited to the EPA ICIS-AIR facility file (ECHO download).
Programs and pollutants
Velarion’s copy of EPA’s ICIS-AIR download does not yet include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs YELLOWSTONE COUNTY GENERATING STATION is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.
Compliance evaluations
- 2Evaluations since January 1, 2017
- 2Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| November 5, 2025 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 15, 2024 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 0Violation determinations since January 1, 2017
- 0Of them high-priority
A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.
EPA’s violation history file holds no violation for ICIS-AIR MT0000003011100051 since January 1, 2017.
Enforcement and penalties
0 formal enforcement actions since January 1, 2017, 0 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.
Informal enforcement
EPA’s informal action file holds no notice or warning for ICIS-AIR MT0000003011100051 since January 1, 2017.
Stack tests
- 18Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| November 18, 2025 | Pass | State |
| December 22, 2024 | Pass | State |
| November 4, 2024 | Pass | State |
| November 4, 2024 | Pass | State |
| November 4, 2024 | Pass | State |
| November 4, 2024 | Pass | State |
| November 4, 2024 | Pass | State |
| November 4, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
| July 22, 2024 | Pass | State |
Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.
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How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110072141936 there.
Nearby on the register
- Air-emissions sources in Yellowstone County
- Every source record in Yellowstone County, A to Z
- Air-emissions sources in Montana
- Every source record in Montana, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.