The Shoshone water rights call up to 1,408 cubic feet of water per second (cfs) – or 1.02 million acre feet per year – to the Shoshone Hydroelectric Plant for electricity generation, providing power for 15,000 customers in Colorado before flows return to the river. The largest and most senior non-consumptive water right of 1,250 cfs appropriated in 1902 together with a junior 158 cfs right appropriated in 1929, Shoshone commands water on the Colorado mainstem down through Glenwood Canyon, providing vital environmental, economic, and community benefits upstream, downstream, and across the state.