Lake Powell's elevation rose due to above-average winter precipitation, but sedimentation reduces capacity. Climate change still threatens the Colorado River system.
The White House announced major conservation efforts, including establishing two national monuments and key environmental actions to protect lands and waters.
Although still figuring out how to take samples and notify the public, California is poised to be the first monitoring microplastics in drinking water sources.
Phoenix residents will see their water bills go up over the next 18 months. Those who conserve will avoid surcharges.
The Southern Nevada Water Authority will administer a $2.4 million cloud seeding grant from the Bureau of Reclamation, which will boost cloud seeding efforts in the Colorado Upper Basin states.
Flooding is occurring throughout Arizona, with parts of Sedona, a popular tourist destination, being evacuated.