EPA Air · by county
Air-emissions sources in Simpson County, Mississippi
- 5Facilities
Every stationary source in Simpson County, Mississippi 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 Simpson 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 Simpson 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 |
|---|---|---|
| DENBURY ONSHORE LLC, MARTINVILLE EOR FACILITY | Minor source | No |
| DENBURY ONSHORE LLC, MARTINVILLE WASHFRED CENTRAL FACILITY | Minor source | No |
| ENSTOR GAS, LLC, MISSISSIPPI HUB EXPANSION PROJECT | Major source | Yes |
| GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION | Major source | No |
| TYSON FOODS INC, MAGEE FEEDMILL | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.