EPA Air · stack tests by state and year
Air-emissions stack tests in Montana, 2018
- 269Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Montana during 2018; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Montana, 2018
- Yellowstone County 95
- Rosebud County 38
- Fallon County 32
- Glacier County 13
- Cascade County 11
- Richland County 8
- Phillips County 8
- Silver Bow County 8
- Deer Lodge County 7
- Valley County 6
- Carbon County 6
- Jefferson County 6
- Dawson County 5
- Big Horn County 5
- McCone County 4
- Flathead County 4
- Gallatin County 4
- Stillwater County 4
Montana, other years
Air-emissions stack tests recorded in Montana, 2018
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2018-03-12 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
| 2018-03-12 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
| 2018-03-12 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-12 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-09 | MONTANA SULPHUR & CHEMICAL | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-03-08 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-08 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-08 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-08 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-03-05 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-03-05 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-03-05 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-03-02 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2018-03-02 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2018-02-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-02-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-02-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-02-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-02-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-02-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2018-02-21 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-02-21 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-02-21 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-13 | BASIN CREEK POWER SERVICES | BUTTE, Silver Bow, MT | Pass | State |
| 2018-02-12 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-02-12 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-02-12 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-02-12 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-02-02 | NORTHWESTERN ENERGY MAINLINE #1 | CUT BANK, Glacier, MT | Pass | State |
| 2018-02-02 | NORTHWESTERN ENERGY MAINLINE #1 | CUT BANK, Glacier, MT | Pass | State |
| 2018-02-02 | NORTHWESTERN ENERGY MAINLINE #1 | CUT BANK, Glacier, MT | Pass | State |
| 2018-02-02 | NORTHWESTERN ENERGY MAINLINE #1 | CUT BANK, Glacier, MT | Pass | State |
| 2018-02-02 | NORTHWESTERN ENERGY MAINLINE #1 | CUT BANK, Glacier, MT | Pass | State |
| 2018-02-02 | NORTHWESTERN ENERGY MAINLINE #1 | CUT BANK, Glacier, MT | Pass | State |
| 2018-02-02 | NORTHWESTERN ENERGY MAINLINE #1 | CUT BANK, Glacier, MT | Pass | State |
| 2018-01-31 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-01-31 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-01-16 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2018-01-16 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2018-01-16 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2018-01-16 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2018-01-16 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2018-01-11 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2018-01-11 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-01-11 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-01-11 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2018-01-09 | WILLISTON BASIN - MONARCH STATION | BAKER, Fallon, MT | Pass | State |
| 2018-01-09 | WILLISTON BASIN - MONARCH STATION | BAKER, Fallon, MT | Pass | State |
| 2018-01-05 | MALMSTROM AFB | GREAT FALLS, Cascade, MT | Pass | State |
| 2018-01-05 | MALMSTROM AFB | GREAT FALLS, Cascade, MT | Pass | State |
| 2018-01-02 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2018-01-02 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2018-01-02 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2018-01-02 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.