The Colorado River, a critical source of water for more than 40 million people across the West, is in dire health and its users should take immediate action to keep the system from possible collapse, ...

Dismal runoff led to a precipitous drop in water levels at Lake Powell this summer, forcing the National Park Service to close boat ramps and move docks into deeper waters. If this coming winter’s ...

It isn’t all about drinking water or irrigating crops: A new, meager water supply forecast is making waves along the Colorado River’s multibillion-dollar recreation industry, too. Following the ...

LOS ANGELES (AP) — Earlier this year, several environmental groups sent a petition to the federal government with a seemingly simple message: Ensure that water from the imperiled Colorado River is not ...

Colorado River water flows in the Central Arizona Project aqueduct beside a neighborhood in Phoenix. (Kelvin Kuo / Los Angeles Times) The Colorado River’s massive reservoirs are now so depleted that ...

Families flocking to Lake Powell for summer vacations will find closed and less accessible boat ramps in the coming weeks. Water levels continue to drop as “unprecedented drought” plagues the Colorado ...

The Colorado River could reach dangerously low levels as soon as next year under dry conditions, and environmental groups say ...

Arizona officials are pushing for states in the Upper Basin to take bigger cuts on their use of the drought-stricken river. Continued disagreement over which states must absorb the pain of future cuts ...

The battle over one of the Colorado River’s oldest, non-consumptive water rights continued this week during a 14-hour Colorado Water Conservation Board hearing over whether the rights could be used ...