MYSTERY BRIDGE RD/U.S. HIGHWAY 20
Superfund Site Profile
Announcements and Key Topics
(Sept. 20, 2019) EPA announces the deletion of the Mystery Bridge Road/U.S. Highway 20 Superfund Site from the National Priorities List. EPA and Wyoming Department of Environmental Quality have determined that all appropriate response actions, other than operation, maintenance and five-year reviews, have been completed.
The Mystery Bridge Road/U.S. Highway 20 Superfund site is located in Natrona County, just east of Casper, Wyoming. The site originally included two industrial properties and a residential area downgradient ...
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