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Hanna Basin Mining District

Site Contact:
Megan Schuette
On-Scene Coordinator


Site Location:
Leo, WY 82327

The Hanna Basin Mining Group includes historic mine features within several watersheds south of Leo, WY where Tronox once operated. EPA's Emergency Response Branch is conducting a Removal evaluation in the area. EPA is currently generating maps and expects to engage and share information with stakeholders in Spring 2020. This will be followed by field reconnaissance in Summer 2020.

A Map is available for viewing GIS information.