EPA Air · stack tests by county and year
Air-emissions stack tests in Larimer County, Colorado, 2025
- 7Stack 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 Larimer County, Colorado 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 Larimer County facility page.
Larimer County, Colorado, 2025
Air-emissions stack tests in Larimer County, other years
Air-emissions stack tests recorded in Larimer County, Colorado, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-23 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | Pass | State |
| 2025-08-15 | CO STATE U - FOOTHILLS FACILITY | Pass | State |
| 2025-07-18 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | N/A | State |
| 2025-07-17 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | N/A | State |
| 2025-02-21 | ANHEUSER-BUSCH, LLC | Pass | State |
| 2025-01-29 | ANHEUSER-BUSCH, LLC | Pass | State |
| 2025-01-28 | ANHEUSER-BUSCH, LLC | N/A | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.