EPA Air · stack tests by county and year
Air-emissions stack tests in Ada County, Idaho, 2026
- 20Stack 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 2026. 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, 2026
- Inspections 34
Air-emissions stack tests in Ada County, other years
Air-emissions stack tests recorded in Ada County, Idaho, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-02 | PREMIER LLC - PLEASANT VALLEY ROAD | Pending | State |
| 2026-06-25 | STAKER AND PARSON COMPANIES DBA IDAHO MATERIALS AND CONSTRUCTION 00407 | Pass | State |
| 2026-06-24 | STAKER AND PARSON COMPANIES DBA IDAHO MATERIALS AND CONSTRUCTION 00406 | Pass | State |
| 2026-06-17 | SUPERIOR BLASTING INC 00708 | Pass | State |
| 2026-06-02 | KNIFE RIVER CORP - MTN WEST 00051 | Pass | State |
| 2026-04-30 | WESTERN CONSTRUCTION - BOISE | Pass | State |
| 2026-04-30 | WESTERN CONSTRUCTION 00098 | Pass | State |
| 2026-04-30 | WESTERN CONSTRUCTION 00604 | Pass | State |
| 2026-04-30 | WESTERN CONSTRUCTION 00605 | Pass | State |
| 2026-04-30 | WESTERN CONSTRUCTION INC 00680 | Pass | State |
| 2026-04-30 | WESTERN CONSTRUCTION INC 00682 | Pass | State |
| 2026-04-30 | WESTERN CONSTRUCTION INC 00683 | Pass | State |
| 2026-03-24 | STAKER AND PARSON COMPANIES DBA IDAHO MATERIALS AND CONSTRUCTION 00407 | Pass | State |
| 2026-03-12 | H & B CRUSHING 00380 | Pass | State |
| 2026-03-12 | H & B CRUSHING 00595 | Pending | State |
| 2026-03-12 | H & B CRUSHING 00596 | Pass | State |
| 2026-03-12 | H & B CRUSHING 00597 | Pass | State |
| 2026-03-12 | H & B CRUSHING 00598 | Pass | State |
| 2026-03-12 | H & B CRUSHING 00615 | Pass | State |
| 2026-03-03 | PREMIER LLC 00706 | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.