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~ I The largest portion of the irrigation supply would be to augment existing supplies for the Uncompahgre Project. A large share of the municipal water ouldwbe available to the communities of Colona, Montrose, Olathe, and Delta. Tri-County Water Conservancy District Or the water users would be responsible for any facilities necessary for diversion, treatment, and distribution of project water. A large minimum pool would be provided at Ridgway Reservoir and recreation facilities would be constructed to handle the anticipated large recreation usage. To provide access for fisherman, land would be acquired along stretches of the Uncompahgre River below Ridgway Dam. Land would also be acquired and developed for wildlife habitat to mitigate project caused losses to wildlife. Fencing for wildlife protection would be included along both sides of relocated U.s. Highway 550. WATER SUPPLY Project supply (average acre-feet annually) Irrigation Municipal use Light industrial use Recreation use Total Effects on Colorado River Stream depletion (average acre-feet annually) Increase in salt load (tons) Increase in salinity at Imperial Dam (mg/l) from concentration due to depletion from salt load IRRIGATION SERVICE AREA Dallas Creek exchange and Colona areas (acres) Uncompahgre Project area (acres) Area serviceable with Dallas Creek Project water Acreage within serviceable area likely to receive Dallas Creek Project water ESTIMATED COSTS (Preliminary) Construction costs (October 1975 prices) Ridgway Reservoir Recreation facilities Access easements (Uncompahgre River) Wildlife range acquisition Big-game fencing Permanent operating facilities Investigation of abandoned facilities Total $47,200,000 5,000,000 45,000 620,000 440,000 120,000 563,000 $53,988,000