Wyoming hosts 1 Superfund cleanup sites, 61 facilities reporting to EPA's Toxic Release Inventory, and 86 facilities currently in significant noncompliance with federal environmental laws. EPA has assessed $66.0M in lifetime penalties across these facilities, and TRI reporters released roughly 16.8M pounds of regulated chemicals on-site in the latest reporting year. The single largest on-site releaser is Dyno Nobel Inc-Cheyenne Plant in Cheyenne, reporting 6.5M lb to EPA.
| Site | City | Status |
|---|---|---|
| F E Warren Air Force Base | Cheyenne | Cleanup underway |