EPA Air · stack tests by state, industry and year
Chemical manufacturing (NAICS 3251): stack tests in Wisconsin, 2025
- 10Stack 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 Wisconsin source whose primary industry code is NAICS 3251. A facility filing more than one industry code is counted under the first one on its record.
Chemical manufacturing (NAICS 3251) in Wisconsin, other years
Other industries in Wisconsin, 2025
- Utilities (NAICS 2211) 89
- Paper manufacturing (NAICS 3221) 21
- Primary metal manufacturing (NAICS 3315) 20
- Petroleum and coal products manufacturing (NAICS 3241) 12
- Waste management and remediation (NAICS 5622) 8
- Printing and related support (NAICS 3231) 7
- Utilities (NAICS 2212) 7
- Utilities (NAICS 2213) 7
- Educational services (NAICS 6113) 6
- Nonmetallic mineral product manufacturing (NAICS 3274) 6
- Merchant wholesalers, nondurable goods (NAICS 4247) 5
- Pipeline transportation (NAICS 4862) 5
- Nonmetallic mineral product manufacturing (NAICS 3271) 4
- Nonmetallic mineral product manufacturing (NAICS 3272) 4
- Paper manufacturing (NAICS 3222) 4
- Plastics and rubber products manufacturing (NAICS 3261) 4
- Food manufacturing (NAICS 3119) 3
- Food manufacturing (NAICS 3115) 3
Air-emissions stack tests recorded in Wisconsin, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-06-10 | AZTALAN BIO | JOHNSON CREEK, Jefferson, WI | Pass | State |
| 2025-04-16 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Pass | State |
| 2025-03-24 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | FRIESLAND, Columbia, WI | Fail | State |
| 2025-03-18 | ACE ETHANOL, LLC | STANLEY, Chippewa, WI | Pass | State |
| 2025-03-13 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Pass | State |
| 2025-02-21 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Pass | State |
| 2025-02-17 | BIG RIVER RESOURCES BOYCEVILLE LLC | BOYCEVILLE, Dunn, WI | Pass | State |
| 2025-02-04 | BIG RIVER RESOURCES BOYCEVILLE LLC | BOYCEVILLE, Dunn, WI | Pass | State |
| 2025-01-24 | UNITED ETHANOL LLC | MILTON, Rusk, WI | Pass | State |
| 2025-01-08 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | FRIESLAND, Columbia, WI | 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.