colorado river

State environment officials say tourists heading to Lake Powell for the Labor Day holiday need not worry about the quality of the water following a mine spill.

AP/Matt York

Arizona environmental officials say they don’t expect the Gold King Mine spill to have any negative impacts to the state’s watershed. As Arizona Public Radio’s Ryan Heinsius reports, they say Lake Powell will likely disperse the waste made up of several heavy metals.

Jerry McBride/Durango Herald

The toxic plume from the Gold King Mine spill in Colorado last week is no longer visible as it’s mixed with the murky San Juan River. Officials say it’s uncertain whether the polluted water has reached Lake Powell. Arizona Public Radio’s Ryan Heinsius reports.

Alan English

Two historical sites in Arizona have been labeled as “endangered” by a national organization. As Arizona Public Radio’s Aaron Granillo reports, the Grand Canyon and Oak Flat on the Tonto National Forest made the list of “America’s 11 Most Endangered Historic Places.”

Mat Kaplinsky/Northern Arizona University

A new study by the U.S. Geological Survey finds that a project to rebuild sandbars along the Colorado River in the Grand Canyon appears to be a success. As Arizona Public Radio’s Ryan Heinsius reports, officials say simulated floods have been effective in redistributing sand.

The public comment period for the Arizona Department of Transportation’s Five-Year Plan ends next week. It includes an upgrade to the state-owned Grand Canyon National Park Airport. As Arizona Public Radio’s Ryan Heinsius reports, conservationists have raised concerns about the project’s potential effects on the Canyon.

Alexa Rogals/The Daily Times

Navajo President Russell Begaye has altered his position on the development of a tram at the Grand Canyon. Earlier this week at his inauguration, the new president signed an agreement supporting the Escalade Project. But as Arizona Public Radio’s Ryan Heinsius reports, now President Begaye seems to have changed his mind.

Navajo Post

Newly inaugurated Navajo President Russell Begaye stood before hundreds of people at his inauguration ceremony and signed a document stating he would pursue development of an aerial tram at the Grand Canyon.

Grand Canyon River Outfitters Association

For the first time, a hybrid-electric motor has powered a Colorado River trip through the entire Grand Canyon. As Arizona Public Radio’s Ryan Heinsius reports, the technology is being developed through a partnership between commercial river outfitters and the National Park Service.

OARS

A conservation group has named the Colorado River in the Grand Canyon as the most endangered river in the U.S. As Arizona Public Radio’s Ryan Heinsius reports, the ranking is based on two large-scale development projects as well as the potential for future uranium mining.

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