EPA Air · by county
Air-emissions sources in Flathead County, Montana
- 7Facilities
0 changes to this record in 90 days; alerts $99/month.
Start the watch
- One source — $99/month
- One county — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
Every stationary source in Flathead County, Montana that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
Every source’s record in Flathead County
Each of the 6 operating major, synthetic minor and minor sources in Flathead County, Montana has a record page: every source in Flathead County, A to Z.
By emissions classification in Flathead County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Flathead County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
Stack tests in Flathead County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 6
- 2024 stack tests 7
- 2023 stack tests 8
- 2022 stack tests 3
- 2021 stack tests 8
- 2020 stack tests 7
- 2019 stack tests 5
- 2018 stack tests 4
- 2017 stack tests 10
Inspections in Flathead County, year by year · Stack tests in Flathead County, year by year
Other counties in Montana
Every county in the state with at least three sources on file.
- Big Horn County 4
- Cascade County 12
- Custer County 3
- Fallon County 5
- Gallatin County 11
- Glacier County 5
- Jefferson County 3
- Lewis and Clark County 13
- Madison County 3
- Missoula County 18
- Powell County 3
- Richland County 4
- Roosevelt County 7
- Rosebud County 3
- Silver Bow County 3
- Stillwater County 5
- Toole County 4
- Yellowstone County 24
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| CHS MOUNTAIN WEST CO-OP - KALISPELL | Synthetic minor source | No |
| FLATHEAD COUNTY SOLID WASTE DISTRICT | Major source | No |
| FLATHEAD ELECTRIC LFGE FACILITY | Major source | No |
| NORTHWEST AUTOMOTIVE INC. | Minor source | No |
| PACIFIC STEEL/HIDES RECYCLING | Minor source | No |
| WEYERHAEUSER-CFALLS | Major source | Yes |
| WEYERHAEUSER-EVERGREEN | Major source | Yes |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.