EPA Air · stack tests by county and year
Air-emissions stack tests in Jefferson County, Washington, 2025
- 12Stack 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 Jefferson County, Washington 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 Jefferson County facility page.
Jefferson County, Washington, 2025
Air-emissions stack tests in Jefferson County, other years
Air-emissions stack tests recorded in Jefferson County, Washington, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-22 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-08-20 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-08-19 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-07-17 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-07-15 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-07-15 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-07-14 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-05-06 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-02-21 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-02-12 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-02-11 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | Pass | State |
| 2025-02-10 | PORT TOWNSEND PAPER CORPORATION — 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.