Federal officials have discovered damage inside Glen Canyon Dam that could force limits on how much Colorado River water is released at low reservoir levels, raising risks the Southwest could face ...

Plumbing problems at Glen Canyon Dam, the dam holding back the second-largest reservoir in the U.S., are spurring concerns about future water delivery issues to Southwestern states supplied by the ...

Today’s comments on a draft environmental assessment urge the Bureau of Reclamation to ensure flows from Glen Canyon Dam are cold enough to prevent any smallmouth bass reproduction downstream.

Ever wonder what the deepest lake in Arizona is? Here's what you want to know about the top spot for swimming, boating and ...

GRAND CANYON NATIONAL PARK, Ariz.— Federal researchers reported Wednesday that despite last fall’s eradication efforts the number of invasive smallmouth bass more than doubled in the Colorado River ...

But when the Glen Canyon Dam was built in 1963, it created Lake Powell for river water storage and drowned the native flora in Glen Canyon and its many side canyons.

The park also contains the Glen Canyon Dam, which was completed in 1963, creating Lake Powell and changing the surrounding environment dramatically. Visitors can kayak the Colorado River which flows ...