Grand Canyon contaminated sites: why none are on the Superfund list
None of Grand Canyon’s mine, landfill, or wastewater sites are on the federal Superfund or Arizona state cleanup lists. Here is who runs the cleanups instead.
Cercla
The Orphan Mine: Copper Bust, Uranium Boom, Radioactive Fence
An 1893 copper claim on the South Rim became one of the richest uranium mines in the country, then a cleanup the Park Service is still fencing, monitoring, and gluing down today.