World

Colorado mine spill prompts tough questions for EPA

Townspeople affected by the millions of litres of toxic waste spilled from an abandoned gold mine and now flowing through their communities demanded clarity Tuesday about any long-term threats to their water supply.

'This is a lifeline. This is our culture. This is who we are,' says Navajo official

An EPA team working at the Gold King Mine in San Juan County, Colo., unexpectedly triggered a large release of mine wastewater. Initial estimates are that the release contained approximately 11.2 million litres of water that was held behind unconsolidated debris near an abandoned mine portal. (EPA)

Townspeople affected by the millions of litres of toxic waste spilled from an abandoned gold mine and now flowing through their communities demanded clarity Tuesday about any long-term threats to their water supply.

Colorado and New Mexico made disaster declarations for stretches of the Animas and San Juan rivers and the Navajo Nation declared an emergency as the waste spread downstream, reaching Lake Powell in Utah sometime this week.

EPA workers accidentally unleashed an estimated 11 million litres of orange-yellow waste, including high concentrations of arsenic, lead and other heavy metals, while inspecting the long-abandoned Gold King mine near Silverton, Colo., on Aug. 5.

EPA Administrator Gina McCarthy said Tuesday in Washington, D.C., that she takes full responsibility for the spill, which she said "pains me to no end." She said the agency is working around the clock to assess the environmental impact.

EPA officials said the shockingly bright plume has already dissipated and that the leading edge of the contamination cannot be seen in the downstream stretches of the San Juan River or Lake Powell.

Scientists check on cages with Rainbow trout fingerlings on the Animas River. (Steve Lewis/The Durango Herald/AP)

So far, the Bureau of Reclamation has no plans to slow flows on the lower Colorado River, below Lake Powell, where the water is a vital resource for parts of California, Arizona, Nevada, New Mexico and Utah.

'This is a lifeline'

Chris Watt, a bureau spokesman in Salt Lake City, said his agency is testing the water at the request of the EPA, and can't discuss the impact without learning the results.

None of this has eased concerns or quelled anger among people in the arid Southwest who depend on this water for their survival.

Ducks wade in the Animas River as orange sludge from a mine spill upstream flows past Berg Park in Farmington, N.M. (Alexa Rogals/The Daily Times/AP)

The Navajos, whose nation covers parts of New Mexico, Utah and Arizona, shut down water intake systems and stopped diverting water from the San Juan River. Frustrated tribal council members echoed state officials, insisting that the federal government pay for its mistakes.

"At this point, how long are we going to continue to truck in water? Who's going to pick up the tab? Are we going to hold these people accountable? I want answers from the EPA, but they're nowhere to be found," said David Filfred, a Navajo Nation council delegate. "This is a lifeline. This is our culture. This is who we are."

Decades of spills

Heavy metals from Gold King and other defunct mines in Colorado have been leaching out and killing fish and other species for decades as rain and snowmelt spills from mining operations left abandoned and exposed. The EPA has considered making part of the Animas River in Colorado a Superfund site for a quarter-century.

It would have provided more resources for a cleanup, but some in Colorado opposed Superfund status, fearing the stigma and the federal strings attached, so the EPA agreed to allow local officials to lead cleanup efforts instead.

Pete McKay, San Juan County commissioner in Colorado, looks at the site where the Gold King Mine breach occurred. (Jon Austria/The Daily Times/AP)

Now the Attorneys General of Utah, New Mexico and Colorado are coordinating a response to ensure "whatever remediation is necessary occurs as quickly as possible," Utah Attorney General Sean Reyes said in a statement.

Utah Gov. Gary Herbert expressed disappointment with the EPA's initial handling of the spill, but said the state has no plans for legal action. New Mexico Gov. Susana Martinez, however, said she would not take anything off the table and that the EPA should be held to the same standards as industry.

"Right now we have people preparing for a lawsuit if that is what we need to do," she said Tuesday.

Colorado Gov. John Hickenlooper spent Tuesday visiting a contaminated stretch of river.

'Yellow boy'

The EPA has said the current flows too fast for the contaminants to pose an immediate health threat, and that the heavy metals will likely be diluted over time so that they don't pose a longer-term threat, either.

Still, as a precautionary measure, the agency said stretches of the rivers would be closed for drinking water, recreation and other uses at least through Aug. 17.

Dissolved iron is what turned the waste plume an alarming orange-yellow, a colour familiar to old-time miners who call it "yellow boy."

Water laced with heavy metals, including lead and arsenic, reached the New Mexico municipalities of Aztec, Farmington and Kirtland over the weekend. (Alexa Rogals/The Daily Times/AP)

"The water appears worse esthetically than it actually is, in terms of health," said Ron Cohen, a civil and environmental engineering professor at the Colorado School of Mines.

Tests show some of the metals have settled to the bottom and would dissolve only if conditions became acidic, which Cohen said isn't likely. He advises leaving the metals where they settle, and counting on next spring's mountain snowmelt to dilute them more and flush them downstream.

'What the future holds'

No die-off of wildlife along the river has been detected. Federal officials say all but one of a test batch of fingerling trout deliberately exposed to the water survived over the weekend.

As a precaution, state and federal officials ordered public water systems to turn off intake valves as the plume passes. Boaters and fishing groups have been told to avoid affected stretches of the Animas and San Juan rivers, which are usually crowded with rafters and anglers in a normal summer.

Farmers also have been forced to stop irrigating, endangering their crops, and recreational businesses report losing thousands of dollars.

"We had lots of trips booked. Right now we're just cancelling by the day," said Drew Beezley, co-owner of 4 Corners Whitewater in Durango, Colorado. He said his dozen employees are out of work, and he's lost about $10,000 in business since the spill.

"We don't really know what the future holds yet," said Beezley. "We don't know if the rest of this season is just scrapped."

This photo of three kayakers in the Aminas River has become a defining image of the spill. Affected residents are demanding answers about the possibility of long-term damage to the waterway. (Jerry McBride/The Durango Herald via Associated Press)