Falling Lake Powell levels signal shrinking Colorado River supplies, with potential major cutbacks for California users.

Add Yahoo as a preferred source to see more of our stories on Google. Lake Shasta, the largest reservoir in California, has continued to make headlines. The lake's water levels are nearing capacity ...

Lake Powell has hit its lowest-ever level at the start of summer, raising concerns about hydroelectric power and the Colorado ...

Rain and rising reservoir levels are routine this time of year, but the impact from recent storms is clear, state and local water agencies agree. A powerful series of atmospheric rivers has delivered ...