EPA Air · stack tests by state, industry and year
Nonmetallic mineral product manufacturing (NAICS 3274): stack tests in Iowa, 2025
- 8Stack 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 Iowa source whose primary industry code is NAICS 3274. A facility filing more than one industry code is counted under the first one on its record.
Nonmetallic mineral product manufacturing (NAICS 3274) in Iowa, other years
Other industries in Iowa, 2025
- Chemical manufacturing (NAICS 3251) 171
- Utilities (NAICS 2211) 110
- Food manufacturing (NAICS 3112) 49
- Primary metal manufacturing (NAICS 3311) 12
- Utilities (NAICS 2213) 11
- Chemical manufacturing (NAICS 3259) 10
- Primary metal manufacturing (NAICS 3313) 9
- Pipeline transportation (NAICS 4862) 9
- Food manufacturing (NAICS 3111) 9
- Data processing and hosting (NAICS 5182) 9
- Primary metal manufacturing (NAICS 3315) 8
- Chemical manufacturing (NAICS 3253) 8
- Publishing industries (NAICS 5112) 6
- Machinery manufacturing (NAICS 3331) 6
- Professional, scientific and technical services (NAICS 5419) 6
- Nonmetallic mineral product manufacturing (NAICS 3273) 6
- Hospitals (NAICS 6221) 5
- Mining and quarrying (NAICS 2123) 5
- Agriculture and forestry support (NAICS 1151) 5
- Food manufacturing (NAICS 3116) 4
- Petroleum and coal products manufacturing (NAICS 3241) 3
- Nonmetallic mineral product manufacturing (NAICS 3279) 3
- Justice, public order and safety (NAICS 9221) 3
Air-emissions stack tests recorded in Iowa, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-09-22 | GEORGIA-PACIFIC GYPSUM LLC | FORT DODGE, Webster, IA | Pass | State |
| 2025-07-31 | CALCIUM PRODUCTS INC-GILMORE CITY | GILMORE CITY, Pocahontas, IA | Pass | State |
| 2025-07-29 | CALCIUM PRODUCTS INC-GILMORE CITY | GILMORE CITY, Pocahontas, IA | Pass | State |
| 2025-06-11 | GEORGIA-PACIFIC GYPSUM LLC | FORT DODGE, Webster, IA | Pass | State |
| 2025-06-10 | GEORGIA-PACIFIC GYPSUM LLC | FORT DODGE, Webster, IA | Pass | State |
| 2025-06-10 | GEORGIA-PACIFIC GYPSUM LLC | FORT DODGE, Webster, IA | Pass | State |
| 2025-06-06 | GEORGIA-PACIFIC GYPSUM LLC | FORT DODGE, Webster, IA | Pass | State |
| 2025-01-06 | U S GYPSUM CO-FORT DODGE | FORT DODGE, Webster, IA | 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.