EPA Air · stack tests by county and year
Air-emissions stack tests in Dunn County, North Dakota, 2025
- 23Stack 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 Dunn County, North Dakota 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 Dunn County facility page.
Air-emissions stack tests in Dunn County, other years
Air-emissions stack tests recorded in Dunn County, North Dakota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-16 | BUFFALO COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-28 | BUFFALO COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-28 | BUFFALO COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-28 | BUFFALO COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-08 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-08 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-08 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-07 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-07 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-06 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-10-02 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-08-20 | WBI ENERGY TRANSMISSION, INC. - MANNING COMPRESSOR STATION | N/A | State |
| 2025-07-16 | NORTHERN BORDER PIPELINE COMPANY - MANNING COMPRESSOR STATION - AQ | Pass | State |
| 2025-05-13 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-05-07 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-05-07 | ROBERT'S TRUST COMPRESSOR STATION | Fail | U.S. EPA |
| 2025-05-06 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-05-06 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-05-06 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-05-05 | ROBERT'S TRUST COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-04-24 | BUFFALO COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-04-24 | BUFFALO COMPRESSOR STATION | Pass | U.S. EPA |
| 2025-04-24 | BUFFALO COMPRESSOR STATION | Pass | U.S. EPA |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.