EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3315): stack tests in Wisconsin, 2026
- 6Stack 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 2026 at a Wisconsin source whose primary industry code is NAICS 3315. A facility filing more than one industry code is counted under the first one on its record.
Primary metal manufacturing (NAICS 3315) in Wisconsin, other years
Other industries in Wisconsin, 2026
- Utilities (NAICS 2211) 51
- Paper manufacturing (NAICS 3221) 11
- Chemical manufacturing (NAICS 3251) 9
- Petroleum and coal products manufacturing (NAICS 3241) 8
- Waste management and remediation (NAICS 5622) 6
- Utilities (NAICS 2213) 4
- Plastics and rubber products manufacturing (NAICS 3261) 4
- Educational services (NAICS 6113) 3
- Nonmetallic mineral product manufacturing (NAICS 3274) 3
Air-emissions stack tests recorded in Wisconsin, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-03 | CHARTER AARROWCAST | SHAWANO, Sheboygan, WI | Pass | State |
| 2026-05-05 | NEENAH FOUNDRY COMPANY - NEENAH OPERATIONS (W2179) — high-priority violation on file | NEENAH, Wood, WI | Pass | State |
| 2026-04-02 | WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file | MANITOWOC, Manitowoc, WI | Fail | State |
| 2026-04-02 | WAUPACA FOUNDRY, INC.-PLANT 4 | MARINETTE, Marinette, WI | Pass | State |
| 2026-04-02 | WAUPACA FOUNDRY INC - PLANT 1 | WAUPACA, Waushara, WI | Pass | State |
| 2026-03-09 | BROWNTOWN FOUNDRY LLC — high-priority violation on file | BROWNTOWN, Green, 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.