The seven states on the Colorado River are spending millions of dollars to accurately measure how much water flows downstream and how much is taken out along the way. Quantifying the river's flow ...

Five out of seven Colorado River basin states are failing to maximize a critical resource that could help alleviate the region’s long-standing water crisis, a new report found.

but since the Colorado River Compact of 1922, too much water has been allocated or diverted elsewhere. Today, dams and reservoirs trap water and sediment and release cold, clear waters. Native fish ...

That’ll take years to unfold. The Colorado River corridor might look lush, but not everything green is good. Invasive species like Russian Olive and Russian Knotweed have quietly overrun parts of the ...

If any of the Colorado River management options were used to manage this year’s sub-par snowpack, Arizona, California and Nevada would be forced to slash 17% to 43% of their legal share.

“Climate change is reducing the flows of the Colorado significantly,” says climate scientist Brad Udall. 40 million people in the booming Southwest rely on the river. But the demands and ...

Colorado River officials are debating six options for how to manage the overstressed river after 2026 with the goal of reaching a seven-state agreement by May. Under this year’s ultra dry water ...

Nearly all water in the 1,450-mile-long river originates from snowmelt in the Upper Colorado River Basin, a region adjacent to arid landscapes that regularly blows dust onto mountain snowpacks ...