EPA Air · stack tests by state and year
Air-emissions stack tests in Montana, 2017
- 332Stack 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 2017; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Montana, 2017
- Yellowstone County 105
- Rosebud County 42
- Glacier County 26
- Fallon County 25
- Cascade County 20
- Phillips County 12
- Blaine County 12
- Richland County 11
- Flathead County 10
- Silver Bow County 9
- Valley County 9
- Jefferson County 7
- Carbon County 7
- Lewis and Clark County 7
- Gallatin County 6
- Big Horn County 5
- Roosevelt County 4
- McCone County 4
- Toole County 3
Montana, other years
Air-emissions stack tests recorded in Montana, 2017
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2017-01-26 | WEYERHAEUSER-CFALLS — high-priority violation on file | COLUMBIA FALLS, Flathead, MT | Pass | State |
| 2017-01-25 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-18 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-18 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-17 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-01-17 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-01-17 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-01-17 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-17 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-13 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-13 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-13 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-13 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-13 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-13 | PAR MONTANA BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-01-11 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2017-01-11 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2017-01-09 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2017-01-09 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - BAKER COMPRESSOR STA | BAKER, Fallon, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - FORT PECK STATION | NASHUA, Valley, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - FORT PECK STATION | NASHUA, Valley, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - FORT PECK STATION | NASHUA, Valley, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - SACO | SACO, Phillips, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - SACO | SACO, Phillips, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - SACO | SACO, Phillips, MT | Pass | State |
| 2017-01-09 | WILLISTON BASIN - SACO | SACO, Phillips, 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.