12 facilities in Wyoming reported releasing a combined 1.8M pounds of ammonia to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Dyno Nobel Inc-Cheyenne Plant | Cheyenne | 1.4M |
| Simplot Phosphates Llc | Rock Springs | 171.9k |
| Basin Electric Dry Fork Station | Gillette | 143.1k |
| Black Hills Corp - Neil Simpson Complex | Gillette | 28.3k |
| Western Sugar Cooperative Lovell Factory | Lovell | 26.7k |
| Hf Sinclair Parco Refining Llc | Sinclair | 23.1k |
| Pacificorp Jim Bridger Plant & Bridger Coal Co | Point Of Rocks | 20.1k |
| Wyoming Refining Co | Newcastle | 1.3k |
| Mitsubishi Chemical Carbon Fiber & Composites | Evanston | 226 |
| Hf Sinclair Casper Refining Llc | Casper | 148 |
| Nelson Brothers Mining Services Llc | Gillette | 6 |
| Championx-Evansville Plant 108 | Evansville | 0 |
← All Ammonia releases nationwide · Wyoming pollution overview