EPA Air · stack tests by county and year
Air-emissions stack tests in Pembina County, North Dakota, 2025
- 4Stack 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 Pembina 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 Pembina County facility page.
Air-emissions stack tests in Pembina County, other years
What stands out
- Stack tests in Pembina County, North Dakota, held at 4 in both 2023, the previous year on file, and 2025.
- The county’s file for stack tests holds 5 years of events, from 2019 through 2025.
- Its 4 stack tests rank 5th of the 8 county cells in North Dakota for 2025.
- Its 4 stack tests are 2.6% of the 152 the state’s file holds for 2025.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Pembina County, North Dakota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-23 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | Pass | State |
| 2025-10-23 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | Pass | State |
| 2025-01-31 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | Fail | State |
| 2025-01-15 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | 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 Pembina county, ND, for 2025. It lists 4 stack tests recorded in 2025.