El Paso Natural Gas Company LLC v. United States of America et al

  1. March 08, 2019

    Feds Battle To Escape Uranium Mine Cleanup Liability

    The federal government has asked an Arizona federal judge to limit its liability for cleanup costs at 19 retired uranium mines on Navajo Nation land, arguing the corporate successor to the mining company that extracted the material should bear some of the expense.

  2. August 16, 2017

    Gov't Is Owner In Navajo Land Uranium Cleanup Suit: Judge

    An Arizona federal judge on Tuesday ruled that the federal government qualifies under environmental cleanup law as an owner of more than a dozen old uranium sites on Navajo Nation land and could be liable for cleaning up the area.

  3. June 05, 2017

    Judge Wants More Info On Navajo Land Uranium Cleanup Suit

    An Arizona federal judge on Friday said he needs more information on the question of ownership liability before ruling on who must bankroll the environmental cleanup of more than a dozen old uranium sites on Navajo Nation land, in an order denying El Paso Natural Gas Company LLC's bid for a partial quick win and also rejecting the federal government’s sovereign immunity defense.

  4. March 20, 2017

    Feds Say They Don't 'Own' Navajo Land In Cleanup Suit

    The U.S. government on Friday said it's not required to bankroll the environmental cleanup of more than a dozen old uranium sites on Navajo Nation land, telling an Arizona federal court that El Paso Natural Gas Company LLC's bid to avoid its own liability for the mess is barred by sovereign immunity.