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MIRAGE FLATS PROJECT LOCATION: Northwestern Nebraska in the Niobrara River Basin Twelve Miles South of Hay Springs MIRAGE FLATS PROJECT � SPONSORS: Mirage Flats Irrigation District FEATURES: 17 Deep Irrigation Wells BUREAU of RECLAMATION CONSTRUCTION PERIOD: 2 Years PROJECT LIFE: 100 Years TOTAL ANNUAL COST: $54,000 ANNUAL O.M.&R.: $33,100 1 , BENEFIT-COST RATIO: 2.00 to 1.00 COSTS BASED ON: 1965 Prices LEGEND PROJECT ACREAGE: 11,662 Acres Table I - Avera a Annual Project Benefits EXISTING RESERVOIR Irrigation Fish & Wildlife Recreation Total PROPOSED DEEP WELL • a. EXISTING DIVERSION DAM Direct Benefits $ 77,600 $ 8,500 $ 3,700 $ 89,800 EXISTING CANAL --�-1� Indirect Benefits 18,000 -0- -0- 18,000 EXISTING SIPHON --;I •� otal Benefits $ 95,600 $ 8,500 $ 3,700 $ 107,800 I EXISTING IRRIGATED LAND �* Table 2 - Project Costs and Repayment by Source Irrigation Fish & Wildlife Recreation Total Share of Project Costs $ 560,000 $ 110,000 $ 38,000 $ 708,000 .. C Amount Reimbur. 560,000 31,500 15,000 606,500 o'ro' �O� I • t ✓. . Non-reimbursable -0- $ 78,500 $ 23,000 $ 101,500 0 .R.B.P. -0- -0- -0- -0- Non-Federal (State) -0- 31,500 15,000 46,500 I ` { f _ • '' } Local 1 560,000 1 -0- 1 -0- 1 560,000 Creek C., ' BOX BUTTE DAM FLATS - .• ,� • Table 3 - Average Annual Water Requirements Table 4 - Dam and Reservoir Data &RESERVOIR Crop Irrigation Requirement: 1.09 ac.ft./ac. RIVER • Farm Delivery Requirement: 1.56 ac.tt. ac. i OBRA RA N Diversion Requirement: 2.32 ac.ft./ac. NOT APPLICABLE d DUNLAP ' Total Diversion Requirement: 26,200 ac.tt. DIVERSION DAM — DAWES - -l- O I 2 3 4 _ SHERIDAN miles Table 5 - Land Acquisition BOX BUTTE (acres) r•,. ' Feature Fee Easement Total Additional Reservoir 520 40 560 I Wells 5 -0- 5 I Canal 11 -0- 11 Fish & Wildlife 1 350 1 -0- 1 350 I �` Total Acres 1 886 1 40 1 926 �� 4-7 ,„"