EPA Air · stack tests by county and year
Air-emissions stack tests in Kauai County, Hawaii, 2026
- 4Stack 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 Kauai County, Hawaii 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 Kauai County facility page.
Kauai County, Hawaii, 2026
Air-emissions stack tests in Kauai County, other years
Air-emissions stack tests recorded in Kauai County, Hawaii, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-04-08 | MAHIPAPA | Pass | State |
| 2026-02-16 | KAUAI ISLAND UTILITY - PORT ALLEN — high-priority violation on file | Pass | State |
| 2026-02-16 | KAUAI ISLAND UTILITY - PORT ALLEN — high-priority violation on file | Pass | State |
| 2026-02-09 | KAUAI ISLAND UTILITY - KAPAIA — 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.