EPA Air · stack tests by county and year
Air-emissions stack tests in Yavapai County, Arizona, 2026
- 6Stack 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 Yavapai County, Arizona 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 Yavapai County facility page.
Yavapai County, Arizona, 2026
Air-emissions stack tests in Yavapai County, other years
Air-emissions stack tests recorded in Yavapai County, Arizona, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-13 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | Pass | State |
| 2026-03-26 | BAGDAD MINE | Pass | State |
| 2026-03-18 | EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION | Pass | State |
| 2026-02-26 | PHOENIX CEMENT | Pass | State |
| 2026-01-30 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | Pass | State |
| 2026-01-06 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.