Matt Barrett has seen Lake Powell drop nearly every year since 2013 or so, when he started making annual treks to the ...

As Lake Powell approaches a critical operating level, experts warn hydropower losses could increase power costs in the West.

This weekend, during the Fourth of July, the frontline to protect California's vital waterways is on land. Inspectors across ...

Very strong El Niño events tend to provide one of the clearest early signals about how California's rainy season may unfold.

Destructive golden mussels are wreaking havoc in California waterways. Why are California water managers ending precautions for a vital reservoir?

As golden mussels spread through California’s water system, lawmakers are scrambling to contain the invasion — and battling ...

Two children were resuscitated Sunday after nearly drowning at the Nelson Bar Boat Ramp in Lake Oroville, according to ...

The Colorado River's largest reservoirs, Lake Mead and Lake Powell, have declined to the lowest combined levels on record.

The combined water level in Lake Powell and Lake Mead has fallen to a historic low, in what experts are calling a ...

Visitors to Folsom Lake State Recreation Area are being warned about elevated E. coli levels at several popular recreation spots, with officials urging caution to prevent illness. Officials are ...