EPA Air · stack tests by county and year
Air-emissions stack tests in Denali County, Alaska, 2025
- 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 Denali County, Alaska 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 Denali County facility page.
Denali County, Alaska, 2025
- Inspections 10
Air-emissions stack tests in Denali County, other years
Air-emissions stack tests recorded in Denali County, Alaska, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-07 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-22 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-18 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | Pass | State |
| 2025-05-06 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | Pass | State |
| 2025-02-27 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | Pass | State |
| 2025-02-26 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — 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.