EPA Air · stack tests by county and year
Air-emissions stack tests in Honolulu County, Hawaii, 2026
- 16Stack 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 Honolulu 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 Honolulu County facility page.
Honolulu County, Hawaii, 2026
- Inspections 27
Air-emissions stack tests in Honolulu County, other years
Air-emissions stack tests recorded in Honolulu County, Hawaii, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-15 | HPOWER | Pass | State |
| 2026-05-20 | HECO - KAHE | Pass | State |
| 2026-05-07 | HECO - SCHOFIELD — high-priority violation on file | Pass | State |
| 2026-04-20 | U.S. NAVY - PEARL HARBOR — high-priority violation on file | Pass | State |
| 2026-03-10 | HECO - WAIAU | Pass | State |
| 2026-02-24 | PAR - REFINERY — high-priority violation on file | Fail | State |
| 2026-02-20 | HECO - WAIAU | Pass | State |
| 2026-02-19 | HECO - WAIAU | Pass | State |
| 2026-01-23 | PAR - REFINERY — high-priority violation on file | Pass | State |
| 2026-01-22 | PAR - REFINERY — high-priority violation on file | Pass | State |
| 2026-01-20 | PAR - REFINERY — high-priority violation on file | Pass | State |
| 2026-01-19 | PAR - REFINERY — high-priority violation on file | Pass | State |
| 2026-01-16 | PAR - REFINERY — high-priority violation on file | Pass | State |
| 2026-01-15 | PAR - REFINERY — high-priority violation on file | Pass | State |
| 2026-01-14 | PAR - REFINERY — high-priority violation on file | Fail | State |
| 2026-01-13 | PAR - REFINERY — 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.