As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

After peaking at full capacity earlier this year, Lake Oroville's water levels have started their summer decline. Lake Oroville, California's second-largest reservoir, has experienced dramatic ...

Lake Oroville's water levels reaching capacity marks a historic milestone for California's second-largest reservoir. However, water levels are expected to fall throughout the summer. Related Articles ...

If the next two years are drier than usual, Lake Powell’s water levels could drop too low to generate electricity, federal ...

The West’s most important river has shriveled over the past quarter century — and its leading climate scientist says things ...

Mayors of Western cities are urging the Trump administration to take steps to help address water scarcity as climate change depletes the Colorado River.

A University of California economic analysis predicts that California’s water supply deficiencies could create losses between $3.4 and $14.5 billion annually.

March’s storms improved snowpack and runoff in the Northern Sierra, and the state increased allocations from the State Water Project to its many contract agencies (for much of SoCal, that means ...

Nebraska has filed a lawsuit against Colorado over how much water its neighbor draws from the South Platte River ...