EPA Air · stack tests by county and year
Air-emissions stack tests in Ada County, Idaho, 2025
- 41Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Ada County, Idaho during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Ada County facility page.
Ada County, Idaho, 2025
- Inspections 44
Air-emissions stack tests in Ada County, other years
Air-emissions stack tests recorded in Ada County, Idaho, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-11 | H & B CRUSHING 00380 | Pass | State |
| 2025-12-11 | H & B CRUSHING 00595 | Pass | State |
| 2025-12-11 | H & B CRUSHING 00596 | Pass | State |
| 2025-12-11 | H & B CRUSHING 00597 | Pass | State |
| 2025-12-11 | H & B CRUSHING 00598 | Pass | State |
| 2025-12-11 | H & B CRUSHING 00615 | Pass | State |
| 2025-12-09 | MICRON TECHNOLOGY INC BOISE | Pass | State |
| 2025-12-04 | SUPERIOR CONSTRUCTION AND EXCAVATING INC 00684 | Pass | State |
| 2025-12-03 | H & B CRUSHING 00380 | Pass | State |
| 2025-12-03 | H & B CRUSHING 00595 | Pass | State |
| 2025-12-03 | H & B CRUSHING 00596 | Pass | State |
| 2025-12-03 | H & B CRUSHING 00597 | Pass | State |
| 2025-12-03 | H & B CRUSHING 00598 | Pass | State |
| 2025-12-03 | H & B CRUSHING 00615 | Pass | State |
| 2025-11-24 | WESTERN CONSTRUCTION 00098 | Pass | State |
| 2025-11-24 | WESTERN CONSTRUCTION 00604 | Pass | State |
| 2025-11-24 | WESTERN CONSTRUCTION 00605 | Pass | State |
| 2025-11-24 | WESTERN CONSTRUCTION INC 00680 | Pass | State |
| 2025-11-24 | WESTERN CONSTRUCTION INC 00682 | Pass | State |
| 2025-11-24 | WESTERN CONSTRUCTION INC 00683 | Pass | State |
| 2025-10-10 | KNIFE RIVER CORP - MTN WEST 00472 | Pass | State |
| 2025-09-25 | INLAND ASPHALT CO 00303 | Pass | State |
| 2025-08-01 | H & B CRUSHING 00596 | Pass | State |
| 2025-07-31 | H & B CRUSHING 00380 | Pass | State |
| 2025-07-30 | WESTERN CONSTRUCTION 00212 | Pass | State |
| 2025-06-04 | WESTERN CONSTRUCTION 00098 | Pass | State |
| 2025-06-04 | WESTERN CONSTRUCTION 00604 | Pass | State |
| 2025-06-04 | WESTERN CONSTRUCTION 00605 | Pass | State |
| 2025-06-04 | WESTERN CONSTRUCTION INC 00680 | Pass | State |
| 2025-06-04 | WESTERN CONSTRUCTION INC 00682 | Pass | State |
| 2025-06-04 | WESTERN CONSTRUCTION INC 00683 | Pass | State |
| 2025-05-20 | KNIFE RIVER CORP - MTN WEST 00378 | Pass | State |
| 2025-05-20 | KNIFE RIVER CORP - MTN WEST 00585 | Pass | State |
| 2025-05-20 | KNIFE RIVER CORP - MOUNTAIN WEST 00603 | Pass | State |
| 2025-05-20 | KNIFE RIVER - MOUNTAIN WEST 00606 | Pass | State |
| 2025-05-01 | KNIFE RIVER CORP - MTN WEST 00378 | Pass | State |
| 2025-05-01 | KNIFE RIVER CORP - MTN WEST 00585 | Pass | State |
| 2025-05-01 | KNIFE RIVER CORP - MOUNTAIN WEST 00603 | Pass | State |
| 2025-05-01 | KNIFE RIVER - MOUNTAIN WEST 00606 | Pass | State |
| 2025-04-10 | SUNCORE CONSTRUCTION & MATERIALS - 00582 | Pass | State |
| 2025-04-08 | NORTHWEST PIPELINE LLC BOISE | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.