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The Lower Colorado water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units. These geographic areas contain either the drainage area of a major river, or the ...
Map showing the Upper and Lower Colorado River Basin, and adjacent areas supplied by Colorado River water. The Colorado River Basin consists of 246,000 square miles (640,000 km 2), making it the seventh largest drainage basin in North America. [1] About 238,600 square miles (618,000 km 2), or 97 percent of the basin, is in the United States. [40]
Near Parker Dam are the first two major diversions of the lower Colorado: the Colorado River Aqueduct, which travels 240 miles (390 km) west to Los Angeles and San Diego, California; and the Central Arizona Project, which sends water 340 miles (550 km) east towards Phoenix and Tucson, Arizona.
Seven Western states are starting to plot a future for how much water they’ll draw from the dwindling Colorado River in a warmer, drier world. They just can’t agree.
Those are the river’s two main reservoirs that transfer and store Colorado River water, produce hydropower and serve as barometers of its health. The 2007 rules determine when some states face ...
"We actually see that the Colorado River Basin is one of the most extremely water-stressed places in the world," said Samantha Kuzma, one of the authors of the latest report.
This is a List of dams of the Lower Colorado River Valley in the United States. There are many smaller dams, check dams, or diversion dams, that lace the length of the Colorado River. The major Davis Dam directly downstream of Hoover Dam has the purpose of re-regulating Hoover Dam releases.
The current system by which Colorado River water is allocated expires at the end of 2026, and water users are scrambling to reach an agreement. The Central Arizona Project and Tom Buschatzke ...