EPA Air · stack tests by county and year
Air-emissions stack tests in Nez Perce County, Idaho, 2025
- 13Stack 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 Nez Perce County, Idaho 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 Nez Perce County facility page.
Nez Perce County, Idaho, 2025
- Inspections 10
Air-emissions stack tests in Nez Perce County, other years
Air-emissions stack tests recorded in Nez Perce County, Idaho, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-10 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-07-22 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-06-12 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-06-11 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-06-09 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-05-21 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-04-04 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-03-22 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-02-27 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-02-26 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-02-25 | CLEARWATER PAPER CORP-PPD | Pass | State |
| 2025-02-24 | CLEARWATER PAPER CORP-PPD | Fail | State |
| 2025-01-07 | CLEARWATER PAPER CORP-PPD | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.