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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Ramsey county, MN, in 2025. It lists 11 stack tests recorded in 2025.