EPA Air · stack tests by county and year
Air-emissions stack tests in Columbia County, Oregon, 2023
- 5Stack 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 Columbia 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 Columbia County facility page.
Air-emissions stack tests in Columbia County, other years
- 2020 3
Air-emissions stack tests recorded in Columbia County, Oregon, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-10-26 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | Pass | State |
| 2023-08-16 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | Pass | State |
| 2023-08-16 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | Fail | State |
| 2023-08-15 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | Pass | State |
| 2023-08-15 | PORTLAND GENERAL ELECTRIC COMPANY — 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 Columbia county, OR, in 2023. The stack tests recorded in 2023 total 5.