EPA Air · inspections by state and year
Air-emissions inspections in Montana, 2023
- 33Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in Montana during 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Montana, 2023
Montana, other years
Air-emissions inspections recorded in Montana, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-11-07 | IFG-KAMP, LLC | SAINT REGIS, Mineral, MT | FCE On-Site | State |
| 2023-09-22 | ASH GROVE CEMENT | CLANCY, Jefferson, MT | FCE On-Site | State |
| 2023-09-20 | PAR MONTANA BILLINGS REFINERY | BILLINGS, Yellowstone, MT | FCE On-Site | State |
| 2023-09-19 | TRIDENT | THREE FORKS, Gallatin, MT | FCE On-Site | State |
| 2023-08-31 | BARRETTS MILL | DILLON, Beaverhead, MT | FCE On-Site | State |
| 2023-08-29 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | FCE On-Site | State |
| 2023-08-23 | MALMSTROM AFB | GREAT FALLS, Cascade, MT | FCE On-Site | State |
| 2023-08-14 | STILLWATER MINE | NYE, Stillwater, MT | FCE On-Site | State |
| 2023-08-04 | MONTANA SULPHUR & CHEMICAL | BILLINGS, Yellowstone, MT | FCE On-Site | State |
| 2023-08-01 | PHILLIPS 66 COMPANY - MISSOULA | MISSOULA, Missoula, MT | FCE On-Site | State |
| 2023-08-01 | MONTANA SULPHUR & CHEMICAL | BILLINGS, Yellowstone, MT | FCE On-Site | State |
| 2023-07-28 | QUALA SERVICES | MILES CITY, Custer, MT | FCE On-Site | State |
| 2023-07-14 | WEYERHAEUSER-CFALLS — high-priority violation on file | COLUMBIA FALLS, Flathead, MT | FCE On-Site | State |
| 2023-07-13 | ALLIED WASTE SYSTEMS | MISSOULA, Missoula, MT | FCE On-Site | State |
| 2023-07-06 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | FCE On-Site | State |
| 2023-06-27 | US ANTIMONY MINE & MILL | THOMPSON FALLS, Sanders, MT | FCE Off-Site | State |
| 2023-06-23 | ROCKY MOUNTAIN POWER | HARDIN, Big Horn, MT | FCE On-Site | State |
| 2023-06-22 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | FCE On-Site | State |
| 2023-06-19 | MONTANA SILVERSMITHS INC | COLUMBUS, Stillwater, MT | FCE On-Site | State |
| 2023-06-16 | ROCKY MOUNTAIN LABORATORIES FACILITY | HAMILTON, Ravalli, MT | FCE On-Site | State |
| 2023-06-13 | ADF INDUSTRIAL COATINGS | GREAT FALLS, Cascade, MT | FCE On-Site | State |
| 2023-06-05 | CHS BIG SKY- KERSHAW | FORT BENTON, Chouteau, MT | FCE On-Site | State |
| 2023-06-05 | NORTHERN BORDER PIPELINE CO STA 1 | GLASGOW, Valley, MT | FCE Off-Site | State |
| 2023-05-26 | TRANSCO RAILWAY PRODUCTS | MILES CITY, Custer, MT | FCE On-Site | State |
| 2023-05-25 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | FCE On-Site | State |
| 2023-05-11 | BAINVILLE STATION | BAINVILLE, Roosevelt, MT | FCE Off-Site | State |
| 2023-04-05 | LEWIS AND CLARK COUNTY LANDFILL | HELENA, Lewis and Clark, MT | FCE On-Site | State |
| 2023-04-05 | WILLISTON BASIN - FORT PECK STATION | NASHUA, Valley, MT | FCE Off-Site | State |
| 2023-04-05 | WILLISTON BASIN - SACO | SACO, Phillips, MT | FCE Off-Site | State |
| 2023-03-21 | BASIN ELECTRIC POWER COOPERATIVE | BAINVILLE, Roosevelt, MT | FCE Off-Site | State |
| 2023-03-20 | US ANTIMONY MINE & MILL | THOMPSON FALLS, Sanders, MT | PCE Off-Site | State |
| 2023-02-14 | BAKKEN GATHERING PLANT | SIDNEY, Richland, MT | PCE Off-Site | State |
| 2023-02-03 | ROCKY MOUNTAIN POWER | HARDIN, Big Horn, MT | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.