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.