EPA Air · stack tests by county and year
Air-emissions stack tests in Clackamas County, Oregon, 2023
- 3Stack 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 Clackamas County, Oregon during 2023. 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 Clackamas County facility page.
Air-emissions stack tests recorded in Clackamas County, Oregon, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-16 | NORTHWEST PIPELINE LLC — high-priority violation on file | Pass | State |
| 2023-05-10 | NORTHWEST PIPELINE LLC — high-priority violation on file | Pass | State |
| 2023-05-10 | NORTHWEST PIPELINE 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.