EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in South Dakota, 2025
- 12Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a South Dakota source whose primary industry code is NAICS 2211. A facility filing more than one industry code is counted under the first one on its record.
Utilities (NAICS 2211) in South Dakota, other years
Other industries in South Dakota, 2025
- Chemical manufacturing (NAICS 3251) 12
- NAICS 9999 4
- Nonmetallic mineral product manufacturing (NAICS 3274) 4
- Nonmetallic mineral product manufacturing (NAICS 3273) 4
- Food manufacturing (NAICS 3112) 3
Air-emissions stack tests recorded in South Dakota, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-07 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - HURON | HURON, Beadle, SD | Pass | State |
| 2025-09-10 | BASIN ELECTRIC - DEER CREEK STATION | ELKTON, Brookings, SD | Pass | State |
| 2025-09-10 | BLACK HILLS POWER, INC. (LANGE) | RAPID CITY, Pennington, SD | Pass | State |
| 2025-09-09 | BASIN ELECTRIC POWER COOPERATIVE GROTON GENERATING | GROTON, Brown, SD | Pass | State |
| 2025-07-31 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
| 2025-07-30 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
| 2025-07-29 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
| 2025-06-19 | OTTER TAIL POWER COMPANY - ASTORIA STATION | ASTORIA, Deuel, SD | Pass | State |
| 2025-06-17 | NORTHERN STATES POWER COMPANY | SIOUX FALLS, Minnehaha, SD | Pass | State |
| 2025-06-17 | BLACK HILLS POWER, INC. (LANGE) | RAPID CITY, Pennington, SD | Pass | State |
| 2025-05-13 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - HURON | HURON, Beadle, SD | Pass | State |
| 2025-02-05 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.