21 facilities in Wyoming reported releasing a combined 94.5k pounds of n-hexane to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Vermillion Gas Plant | Rock Springs | 16.5k |
| Pioneer Cryogenic Plant | Opal | 10.8k |
| Hf Sinclair Parco Refining Llc | Sinclair | 10.5k |
| Opal Gas Plant | Opal | 9.4k |
| Echo Springs Gas Plant | Carbon | 9.3k |
| Steamboat Processing Facility | Douglas | 7.8k |
| Western Gas Resources Hilight Gas Plant | Gillette | 6.5k |
| Douglas Gas Plant | Douglas | 4.1k |
| 50 Buttes | Gillette | 4.0k |
| Silver Eagle Refining-Evanston | Evanston | 3.1k |
| Sage Creek Gas Plant | Glenrock | 2.7k |
| Tallgrass Midstream Llc - Casper Gas Plant & Compressor Stat | Casper | 2.4k |
| Wyoming Refining Co | Newcastle | 2.2k |
| Hf Sinclair Casper Refining Llc | Casper | 2.2k |
| Bucking Horse Plant | Douglas | 1.9k |
| Basin Electric Laramie River Station | Wheatland | 393 |
| Pecan Pipeline (Wyoming) Jewell Gas Plant | Douglas | 255 |
| Blacks Fork Gas Plant | Granger | 231 |
| Cheyenne Renewable Diesel Co Llc | Cheyenne | 120 |
| Halliburton Casper Baroid | Evansville | 0 |
| Reladyne West Llc | Evanston | 0 |
← All n-Hexane releases nationwide · Wyoming pollution overview