Church Rock, America's Forgotten Nuclear Disaster, Is Still Poisoning Navajo Lands 40 Years Later

[jpak]

https://www.vice.com/en_us/article/ne8w4x/church-rock-americas-forgotten-nuclear-disaster-is-still-poisoning-navajo-lands-40-years-later

Early in the summer of 1979, Larry King, an underground surveyor at the United Nuclear Corporation's Church Rock Uranium mine in New Mexico, began noticing something unusual when looking at the south side of the tailings dam. That massive earthen wall was responsible for holding back thousands of tons of toxic water and waste produced by the mine and the nearby mill that extracted uranium from raw ore. And as King saw, there were "fist-sized cracks" developing in that wall. He measured them, reported them to his supervisors, and didn't think anything more of it.

A few weeks later, at 5:30 a.m. on July 16, 1979, the dam failed, releasing 1,100 tons of uranium waste and 94 million gallons of radioactive water into the Rio Puerco and through Navajo lands, a toxic flood that had devastating consequences on the surrounding area.

"The water, filled with acids from the milling process, twisted a metal culvert in the Puerco," according to Judy Pasternak's book Yellow Dirt: A Poisoned Land and the Betrayal of the Navajos. "Sheep keeled over and died, and crops curdled along the banks. The surge of radiation was detected as far away as Sanders, Arizona, fifty miles downstream." According to a Nuclear Regulatory Commission report, radioactivity levels in the Puerco near the breached dam were 7,000 times that of what is allowed in drinking water.

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Forty years later, the Church Rock spill remains the largest single largest accidental release of radioactivity in U.S. history, worse in terms of total radiation than that of the partial meltdown at Three Mile Island and second in world history only to the 1986 Chernobyl catastrophe, both of which have loomed much larger in the cultural imagination. The effects of the spill have lingered for an entire generation: In 2007, the Church Rock Uranium Mining Project found widespread contamination of drinking water sources in the Church Rock area.

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