On Friday, the Bureau of Reclamation published its 24-month Colorado River study, projecting that Lake Powell's water levels ...

The Colorado River, which supplies Tucson's drinking water, has too little water to meet demands. Here's what to know about ...

A letter from California Governor Gavin Newsom to fellow governors in states along the Colorado River is offering support for a multi-state solution to managing the water supply for 40 million people.

Basin States are reportedly building up their warchests as experts warn of pending litigation over ongoing negotiations.

The seven Western states that depend on the Colorado River have missed a deadline for the second time to agree on a plan ...

The Lower Colorado River Authority will consider building a reservoir in Colorado County, agency officials announced ...

As the Colorado River shrinks, it’s revealing an iconic canyon that’s been underwater for decades since it was dammed up in the 1960s: Glen Canyon.

As the Colorado River negotiations continue, Arizona tribes could potentially lose a lot of water they have received for ...

An Arizona bill requiring CAP water providers to notify customers of potential Colorado River cuts failed amid fears of ...

Historically bad snow and water conditions raise stakes for Colorado River basin states as feds prepare to intervene.

A Feb. 14 deadline came and went without Arizona and the other Colorado River basin states coming to terms on a new operating agreement.

Colorado River states are mired in stalled negotiations over the river's future. Another missed deadline makes federal action more likely.