The Colorado River's decline threatens hydropower at Glen Canyon Dam. Now, officials are looking at retooling the dam to deal with low water levels. (Joshua Lott / Washington Post) The desiccation of ...

The U.S. Bureau of Reclamation will examine the possibility of drilling tunnels through Glen Canyon Dam to ensure water can pass through it at low Lake Powell elevations, two knowledgeable sources ...

The U.S. Bureau of Reclamation is studying several options for Glen Canyon Dam to maintain its power production at lower Lake Powell water levels. The modifications are aimed at keeping electricity ...

LAKE POWELL, Ariz. — The water levels at Lake Powell have dropped so low that the turbines at the Glen Canyon Dam hydroelectric plant could stop functioning. And even after an above-average snow ...

For years, environmentalists have argued that the Colorado River should be allowed to flow freely across the Utah-Arizona border, saying that letting water pass around Glen Canyon Dam — and draining ...

Satellite photos show the Colorado River before and after the Bureau of Reclamation released a huge outflow of water from the Glen Canyon dam, raising water levels in the river. Glen Canyon Dam forms ...

Glen Canyon National Recreation Area will begin construction to channelize the river mile -12 slough on March 1 in order to prevent reproduction of smallmouth bass in the Colorado River below Glen ...