EPA Air · stack tests by county and year
Air-emissions stack tests in Clatsop County, Oregon, 2026
- 19Stack 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 Clatsop County, Oregon 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 Clatsop County facility page.
Clatsop County, Oregon, 2026
Air-emissions stack tests in Clatsop County, other years
Air-emissions stack tests recorded in Clatsop County, Oregon, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-10 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-07-10 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-05-23 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-04-01 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-04-01 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-04-01 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-04-01 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-04-01 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-03-20 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-03-20 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-03-10 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-02-04 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-01-29 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-01-29 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-01-29 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | Pass | State |
| 2026-01-29 | GEORGIA-PACIFIC WAUNA LLC — 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.
What this page shows
This page covers stack tests at Clean Air Act facilities in the EPA air register in Clatsop, OR, for 2026. Stack tests recorded in 2026: 19.