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;7 '!it';) SUMMARY SHEET West Divide Pro1ect ;'iJ"'"'''\ January 30, 1980 LOCATION I L j Project is located in west-central Upper Colorado River Basin. r- .'" CC C.;J The West Divide ~olorado in the PURPOSE The West Divide Project would provide water for irrigation and municipal uses. It would also pro- vide benefits to fish and wildlife and recreation. STATUS The West Divide Project was authorized for con- struction by the Colorado River Basin Act of September 30, 1968 (Public Law 90-537) as a partic- ipating project under the Colorado River Storage Project Act of April 11, 1956 (Public Law 84-485). The project is now in the advanced planning stage. Detailed geologic, hydrologic, economic, and engineering data have been gathered and design data have been submitted to the Engineering and Research Center in Denver~ for preparation of feasibility designs and estimates. Environmental and cultural resource data collection is nearing completion. " The Draft Definite Plan Report is scheduled for mid calendar year 1980. The Draft Environmental Impact Statement and public hearing are due in mid calendar year 1980 and the Final Environmental Impact Statement in early calendar year 1981. JANUARY 1980 STATISTICS Water (annual average) (acre-feet) :\~:-- t~rw CAS,TlE Increased supply from project Irrigation water Municipal and industrial Total Depletion of Colorado River 59,400 3,500 62,900 37,200 IRRIGATION SERVICE AREA (acres) Full service land Supplemental service land Total 10,450 14,720 25,170 PROJECT FEATURES Reservoirs (acre-feet) Dry Hollow . Kendig Canals (cfs) West Divide Hunter Mesa Cache Creek Dry Hollow Feeder Pumping plants (cfs) Divide Creek Dry Hollow Unit 1 Unit 2 West Divide 23,000 18,060 95 115 225 130 130 105 115 10 The FY80 appropriations include $460~OOO for fur- ther advanced planning. PLAN Water for the project would be obtained mainly by pumping from the Colorado River near the town of Silt. This wate~ plus water from East and West Divide Creeks would be distributed throughout the service area by a system of four project canals and the ,necessary lateral systems. A system of pumps would lift the water from the river to the canals and also to Dry Hollow Reservoir for stor- age and later release for irrigation and municipal use. The flows of West Divide Creek, regulated by the construction of Kendig Dam and Reservoir, would be for irrigation and municipal use in the rural area south of Silt. The West Divide Canal and existing ditches would distribute the irrigation releases from Kendig Reservoir. Drains would be provided as needed. Additional municipal water would be made available from Beaver and Battlement Creeks by ex- changing present irrigation supplies in those streams w2th water from Cache Creek Canal. Diversion and distribution of Beaver and Battlement Creek water made available by exchange from Cache Creek Canal would be the responsibility of the water users. Recreational developments would be provided at all project reservoirs. Late-season diversions from the Colorado River would be replaced by releases from Green Mountain or Ruedi Reservoirs. " '" 0- '" '" ,. ~ <> GARFIELD CD. MESA CO. SID" FEEOF.R ~~ANAL < 1 ~o,ORY HOLLO::! ~,'7'rrp ~\.!~~TJI.44; .,.., ,,/\ ,..'1 <.. ,..<) .."'{~,,:::~:'hf,,~t:,f~ ,'''i';!'.)\1{Z/~/,' '<;?- i :;1:5',- 0/ VI D ,,. ~;(i~VifJ!'f(Hl/N ri: i~::SA ,.. ? . ."". CAfilA L I 1 8~olf~' e,. II Proje ct land. o Pumping Plant )(~ GRANO