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. , , ~r~~~_ :.: ) " '0"'1 I ..' ,~ River and Dallas Creek would be formed by the l72-foot-high, rolled earthfill Ridgway Dam and a 1,460-foot-long dike. The l7,600-acre- foot Dallas Divide Reservoir on Pleasant Valley Creek would be formed by the l65-foot-high, rolled earthfill Dallas Divide Dam. The 825-acre-foot Sneva Reservoir would be at an off stream site near Cow Creek. The storage reservoirs' water supplies would be supple- mented or (in the case of Sneva) entirely supplied by the 8-l/Z-mile Cow Creek Feeder Canal, the 13-l/2-mile Dallas Creek Feeder Canal, and an existing ditch, respectively. Water from Ridgway Reservoir would be pumped by the Ridgway Pumping Plant to the l6-mile-long McKenzie Canal for distribution, water from the Dallas Divide Reservoir would be distributed to project lands through the 5-mile Pleasant Valley and 9-mile Log Hill Mesa Canals, and. water from Sneva Reservoir would be distributed by the Sneva Outlet Canal. Project laterals and drains would be constructed as needed. A farm on the Dallas Creek Project is expected to require approximately 155 acres of Class 1 land in single ownership or its equivalent in land in lower classes in order to provide an adequate level of living for the farm family and permit reasonable payments on project costs. There- fore, the project authorizing legislation should provide for delivery of water to 160 acres of Class 1 land or the equivalent, as determined by the Secretary, in land of lower classes. The project municipal and industrial water supply would be developed at Ridgway Reservoir and would be delivered to the Tri-County Water Conservancy District on the Uneompahgre River below Ridgway Pumping Plant. The district would be responsible for treatment of the water and delivery to the water users. Water would be supplied to Olathe, Montrose, Delta, and surrounding rural areas. , , Conditional decrees for water rights with an appropriation date of November 16, 1956, have been granted by the State of Colorado to the Tri-County Water Conservancy District for 223,046 acre-feet of storage in Ridgway Reservoir and 14,089 acre-feet of storage in Dallas Divide Reservoir. The distriet is now in the process of aequiring other rights needed for the project, includ.ing an additional right to cover the full 17,600 acre-feet of storage capaeity in Dallas Divide Reser- voir, a storage right for 825 acre-feet of Sneva Reservoir, and direct flow rights on a number of streams from which water would be used without storage for project purposes. No difficulty in obtaining the necessary rights is anticipated. ~i rl ., Operation of the Dallas Creek Project would deplete the flow from the Uncompahgre River to the Colorado River by an estimated average of 3