Colorado River Basin

The Colorado River is one of the arid American West’s most important suppliers of water. Its basin drains an area roughly the size of France and provides water to seven states in the US – Wyoming, Colorado, California, Nevada, Utah, New Mexico, and Arizona – as well as two states in Mexico.

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South Platte River Basin

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Arkansas River Basin

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Rio Grande River Basin

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San Juan/Dolores/San Miguel River Basins

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Gunnison River Basin

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Yampa/White/Green River Basins

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North Platte River Basin

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