New administration could erase any progress in water dispute between California and other Western states over the river.

Most of the water California draws from the Colorado River goes to crop irrigation, but it's also used for drinking water.

The seven states that rely on water from the shrinking Colorado River are unlikely to agree ... Nevada and Southern California. Drought, climate change and population growth have caused water ...

For years California and other Western states have been arguing over how to reduce diversions from the Colorado River, whose flows have been declining and whose reservoirs, particularly Lake Mead ...

Anne Castle said in her resignation letter that President Donald Trump's politicization of California water issues is undercutting delicate negotiations ...

For years California and other Western states have been arguing over how to reduce diversions from the Colorado River, whose flows have been declining and whose reservoirs, particularly Lake Mead ...