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 |
|---|---|---|---|---|
| 2017-09-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-09-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-09-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-09-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-09-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-08-24 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2017-08-22 | GRAYMONT WESTERN US INC | TOWNSEND, Broadwater, MT | Pass | State |
| 2017-08-17 | WEYERHAEUSER-CFALLS — high-priority violation on file | COLUMBIA FALLS, Flathead, MT | Pass | State |
| 2017-08-14 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-08-14 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-08-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-08-08 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2017-08-07 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2017-08-07 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2017-08-07 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2017-08-07 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2017-08-04 | ALLIED WASTE SYSTEMS | MISSOULA, Missoula, MT | Pass | State |
| 2017-08-03 | HELENA PRODUCT TERMINAL | HELENA, Lewis and Clark, MT | Pass | State |
| 2017-07-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-07-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-07-21 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-07-21 | PAR MONTANA BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-20 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-14 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-07-14 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Fail | State |
| 2017-07-14 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-07-14 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Fail | State |
| 2017-07-13 | WILLISTON BASIN - VIDA STATION | VIDA, McCone, MT | Pass | State |
| 2017-07-13 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | Pass | State |
| 2017-07-13 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | Pass | State |
| 2017-07-13 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | Pass | State |
| 2017-07-12 | PAR MONTANA BULK TERMINAL | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-07-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-07-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-06-27 | DRY CREEK FIELD STATION 056 | RED LODGE, Carbon, MT | Pass | State |
| 2017-06-27 | DRY CREEK FIELD STATION 056 | RED LODGE, Carbon, MT | Pass | State |
| 2017-06-27 | DRY CREEK FIELD STATION 056 | RED LODGE, Carbon, MT | Pass | State |
| 2017-06-23 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-06-23 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-06-23 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-06-23 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-06-23 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-06-23 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Pass | State |
| 2017-06-21 | ASH GROVE CEMENT | CLANCY, Jefferson, MT | Pass | State |
| 2017-06-21 | ASH GROVE CEMENT | CLANCY, Jefferson, MT | Pass | State |
| 2017-06-21 | ASH GROVE CEMENT | CLANCY, Jefferson, MT | Pass | State |
| 2017-06-21 | BARRICK GOLDEN SUNLIGHT MINE | WHITEHALL, Jefferson, MT | Pass | State |
| 2017-06-21 | ROCKY MOUNTAIN LABORATORIES FACILITY | HAMILTON, Ravalli, MT | Pass | State |
| 2017-06-21 | ROCKY MOUNTAIN LABORATORIES FACILITY | HAMILTON, Ravalli, MT | Pass | State |
| 2017-06-16 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-06-16 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-06-16 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-06-16 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-06-16 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-06-16 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-06-15 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - VIDA STATION | VIDA, McCone, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - FORT PECK STATION | NASHUA, Valley, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - FORT PECK STATION | NASHUA, Valley, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - FORT PECK STATION | NASHUA, Valley, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - SACO | SACO, Phillips, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - SACO | SACO, Phillips, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - SACO | SACO, Phillips, MT | Pass | State |
| 2017-06-15 | WILLISTON BASIN - SACO | SACO, Phillips, MT | Pass | State |
| 2017-06-14 | N. BORDER PIPELINE CO STA. 3 | CULBERTSON, Roosevelt, MT | Pass | State |
| 2017-06-02 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | Pass | State |
| 2017-06-02 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | Pass | State |
| 2017-06-01 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2017-05-30 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-30 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-30 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-26 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-26 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-26 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-26 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2017-05-19 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2017-05-12 | WILLISTON BASIN - HATHAWAY STATION | HATHAWAY, Rosebud, MT | Pass | State |
| 2017-05-12 | WILLISTON BASIN - HATHAWAY STATION | HATHAWAY, Rosebud, MT | Pass | State |
| 2017-05-12 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2017-05-12 | WILLISTON BASIN - BAKER COMPRESSOR STA | BAKER, Fallon, MT | Pass | State |
| 2017-05-12 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
| 2017-05-12 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
| 2017-05-12 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
| 2017-05-11 | MALMSTROM AFB | GREAT FALLS, Cascade, MT | Pass | State |
| 2017-05-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2017-05-11 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in MT in 2017. It lists 332 stack tests recorded in 2017.