EPA Air · inspections by state, industry and year
Chemical manufacturing (NAICS 3251): inspections in North Dakota, 2026
- 3Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2026 at a North Dakota 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 North Dakota, other years
Other industries in North Dakota, 2026
- Oil and gas extraction (NAICS 2111) 21
- Mining support (NAICS 2131) 10
- Educational services (NAICS 6113) 4
Air-emissions inspections recorded in North Dakota, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-09 | NET-ZERO RICHARDTON, LLC - RICHARDTON ETHANOL PLANT - AQ | RICHARDTON, Stark, ND | FCE On-Site | State |
| 2026-03-31 | BLUE FLINT ETHANOL, LLC - AQ | UNDERWOOD, McLean, ND | FCE On-Site | State |
| 2026-03-03 | THARALDSON ETHANOL PLANT I, LLC - AQ | CASSELTON, Cass, ND | FCE On-Site | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.