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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 up in messy court battles.

Top water negotiators declined to speak at an upcoming conference amid closed-door meetings about the future of the water supply for 40 million people.

Drought conditions in the Rocky Mountains could further lower water levels at Lake Powell.

The authors of a new memo say that states need to take shared water cutbacks to manage the Colorado River going forward.

The Lower Basin states of California, Arizona and Nevada are asking for a fresh look at proposals for sharing the shrinking water supply and changes to Lake Powell and the Glen Canyon Dam.

States that use the Colorado River say they don't want to go to the Supreme Court, but some are quietly preparing for litigation.