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August 27, 2015

Investigation: EPA, Colo. underestimated spill risk

BILLINGS, Mont. (AP) — Despite prior warnings that dangerous levels of toxic water were building inside a Colorado mine, federal and state regulators mistakenly concluded the pressure was not high enough to cause an accident, an investigation released Wednesday found.

The pressure blew, however, when a U.S. Environmental Protection Agency team started excavation and cleanup work at the site, unleashing a 3-million-gallon torrent of poisoned mine water that fouled rivers in Colorado, New Mexico and Utah.


 
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