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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Clackamas county, OR, in 2023. Stack tests recorded in 2023: 3.