Driven in part by the ongoing western megadrought, the foundation governing how Colorado River water is shared may be cracking, threatening drinking water supplies for millions from Denver to Los ...

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 ...

The Klamath River’s new main channel flows through the landscape that emerged when the Copco Reservoir was drawn down. The area was submerged for more than 100 years behind Copco Number 1 Dam. Credit: ...

Turning on the lights all across Utah — in Bountiful, Logan, Hurricane, Murray, St. George or Blanding — happens instantaneously. But all of those cities receive some electrical power from hundreds of ...