The water flow of the Colorado River can be 800 million gallons per hour. Roughly 40 million people, including 90% of the water needs of [[Las Vegas]] (which also gets its other 10% from groundwater<ref name="snwa">https://www.snwa.com/water-resources/current-water-supply/index.html</ref>), depend on the Colorado River. | The water flow of the Colorado River can be 800 million gallons per hour. Roughly 40 million people, including 90% of the water needs of [[Las Vegas]] (which also gets its other 10% from groundwater<ref name="snwa">https://www.snwa.com/water-resources/current-water-supply/index.html</ref>), depend on the Colorado River. |