
Retrieved from: Reuters
“The owners of a leaking uranium mine west of Denver have begun a bold project to reduce contamination of a creek that flows into a metro drinking-water reservoir: physically rerouting the creek so that it no longer flows over toxic waste.
“Nobody wants Cotter Corp.’s re-routing of Ralston Creek to be permanent.
“Federal biologists say the pine-studded creek corridor through a picturesque canyon is habitat for the endangered Preble’s Jumping Mouse.
“But government permits were issued because the latest data show uranium levels between 40 and 50 parts per billion — above the 30 ppb limit — in water destined for 1.3 million metro residents.
“Cotter work crews on Monday were completing a 21-foot-deep concrete-and-steel structure designed to channel all surface and shallow groundwater through an 18-inch-diameter black plastic pipeline running 4,000 feet around the Schwartzwalder Mine, once the nation’s largest underground uranium mine. As a condition of its 10-year federal permit, Cotter must irrigate the creek corridor to ensure that trees and wildlife survive.
“This is a temporary bypass that will allow us to do the permanent fix,” Cotter vice president John Hamrick said. “We really are trying to do the right thing here.”
“This is happening amid a continuing and costly legal standoff between Cotter, a Denver-based subsidiary of defense contractor General Atomics, and state regulators charged with protecting Colorado’s environment”
Read more: Reuters










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