More than 40 million people depend on the Colorado River Basin for their water
including 30 federally recognized Tribal Nations. 150 threatened species depend on the river for their survival, and 70% of native fish species in the basin are found nowhere else on Earth.
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Our Colorado River
More than 40 million people rely on the Colorado River for water, food, recreation and energy. Stand with us to protect this iconic lifeline of the west.







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Our Work in the Basin Discover projects we're working on throughout Arizona, Colorado, Nevada, New Mexico, Utah and Mexico.
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The Colorado River is one of the hardest working rivers in the West. The Nature Conservancy is working hard across the entire Colorado River Basin to protect this amazing river and resource.