The mountains that feed the Colorado River with snowmelt are strikingly dry, with many ranges holding less than 50% of their ...

Nearly all water in the 1,450-mile-long river originates from snowmelt in the Upper Colorado River Basin, a region adjacent ... to build detailed maps of land-surface characteristics.

A map from the U.S. Bureau of Reclamation shows precipitation and SWE levels (blue-green boxes), reservoir levels (gray boxes) and overall Upper Colorado River Basin totals (bright blue box). Berggren ...

Upon reaching Fortymile River country ... United States Geological Survey (USGS) reconnaissance expeditions braved the arduous terrain and harsh weather of all seasons to map the geology and geography ...

The U.S. Department of Interior said Wednesday it extended more than a dozen contracts with water-rights holders in ...

During a tour of the Western Slope last week, U.S. Sen. John Hickenlooper, D-Colo., said he was frustrated with the pace of ...

The federal forecast for 55% of normal April to July runoff into Lake Powell means this year’s runoff could be the second lowest in the past six years. The prediction was made Wednesday by the federal ...

Hydrologists say that hotter temperatures have been drying out soils and vegetation in the west, leading to less water ...