The concentration of cyanotoxins was found to be at the “high end of safe exposure levels” in the Antelope Canyon portion of ...

A report shows that both Mead and Powell have "reached alarmingly low levels, holding just one-third of their usual capacity.

The seven states that share the Colorado River are floating a new concept for how water could be shared in the future, ...

New data shows that water levels in major reservoirs including Lakes Mead and Powell are well below average for this time of ...

California and six other states that use water from the Colorado River are nearing a 2026 deadline to come up with new rules for sharing shrinking supplies.

States that use Colorado River water need to agree on new rules for sharing it by 2026. If they don't, they will likely end ...

An official from Utah, during a Colorado River conference at CU Boulder last month, framed the consideration as a “divorce” ...

The bass have already thwarted efforts to save threatened native fish in the upper river basin, and wildlife officials are fighting to keep the same from happening below Lake Powell, even if it ...

Both actions almost certainly insure Powell will get through the upcoming year if not longer without falling below 3,490 feet. That’s the level at which Glen Canyon Dam could no longer generate ...

Here's what we know about the 17-year-old boy found dead after crashing his watercraft at Lake Havasu and how rescuers tried ...

Here is what to expect when traveling throughout Arizona on July Fourth Day weekend, including traffic issues, event coverage and weather updates.

Spectators watch from bridge over spillway as Boulder Dam overflows for first time, August 6, 1941, and pours 15,000 cubic feet per minute from record level of Lake Mead into Colorado River behind ...