"Lionel Puhuyesva walks across a sea of broken glass at the Tuba City Open Dump. Puhuyesva is director of the Hopi Tribe’s Water Resources Program. He has been working 12 years to clean up the groundwater beneath this landfill near Tuba City, Ariz.

Last month, the Hopi Tribe sued the U.S. Bureau of Indian Affairs (BIA) over the landfill that the federal agency operated for nearly 50 years. The lawsuit is the latest in a decade-long push by the Navajo and Hopi tribes to get the landfill cleaned up.

They say drinking water for at least 1,800 people is in danger of being contaminated by a moving plume of underground uranium. And they believe time is running out.:

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EPA, BIA & Tribes Clash Over Radioactive Dump Cleanup (Fronteras 1/18)