Largest-ever modeling analysis reveals traditional water management strategies may fall short as climate pressures mount on ...

After years of drought, some argue that the country's second-largest reservoir should be drained, restoring a landscape of ...

The iconic reservoir faces the risk of becoming a mud lake as 100 million tons of sediment accumulate each year.

In 1963, the Glen Canyon Dam was built. It created Lake Powell Reservoir, which straddles Utah and Arizona, to ensure a water ...

Water from Colorado's West Slope basins plays a vital role in supporting the economy and natural environment across seven western U.S. states, but a new study finds that even under modest climate ...

The Colorado River is managed like a joint bank account — seven states have equal shares of two basins, and not a single drop ...

The California Highway Patrol has a simple message for those heading to the mountains this weekend: be prepared or delay your ...

In 1963, the Glen Canyon Dam was built. It created Lake Powell Reservoir, which straddles Utah and Arizona, to ensure a water supply for the lower Colorado River basin states and Mexico.

Six key watersheds along the Colorado River have become increasingly vulnerable to drought and could be nearing a point of no ...