EPA Air · by county
Air-emissions sources in Columbia County, Oregon
- 3Facilities
Every stationary source in Columbia County, Oregon that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Columbia County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Columbia County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ARCADIA PAPER MILLS, LLC | Major source | Yes |
| PORTLAND GENERAL ELECTRIC COMPANY | Major source | Yes |
| UNITED STATES GYPSUM COMPANY | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.