EPA Air · stack tests by county and year
Air-emissions stack tests in Ramsey County, Minnesota, 2025
- 11Stack 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 Ramsey County, Minnesota 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 Ramsey County facility page.
Ramsey County, Minnesota, 2025
Air-emissions stack tests in Ramsey County, other years
Air-emissions stack tests recorded in Ramsey County, Minnesota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-02 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | Pass | State |
| 2025-09-30 | BULK SILOS | Pass | State |
| 2025-09-23 | ABBOTT | N/A | State |
| 2025-06-05 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | Pass | State |
| 2025-05-28 | OTTER LAKE TECHNOLOGIES | Pass | State |
| 2025-05-14 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | Fail | State |
| 2025-05-14 | SAINT PAUL DEPARTMENT OF PUBLIC WORKS/ASPHALT PLT | Pass | State |
| 2025-03-18 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | Pass | State |
| 2025-02-26 | DISTRICT ENERGY ST PAUL/ST PAUL COGENERATION L | Pass | State |
| 2025-02-11 | XCEL ENERGY - HIGH BRIDGE GENERATING STATION | Pass | State |
| 2025-02-11 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.