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<br />WATER USE IN 197538
<br />REPUBLICAN
<br />
<br /> SURFACE WATER GROUNDWATER
<br /> Average Ave.
<br /> Total Amount of Total Amt. of
<br />Acres Amount of Water Used Acres Amt. of Water Used
<br />Irrigated Water Used Per Acre Irrigated GW Used Per Acre
<br />ACRES ACRE-FEET ACRE-FEET/ACRE ACRES ACRE-FEET ACRE-FEET/ACRE
<br />92,200 192,210 2.08 613,120 81 5,500 1.33
<br />
<br />Storage reservoirs in the basin have improved
<br />the availability of waters significantly. Four reser-
<br />voirs are operated by the U.S. Bureau of Recla-
<br />mation. They include: Swanson Reservoir in
<br />Hitchcock County, with a surface area of 4,794
<br />acres and a storage capacity of 1 20,160 acre-
<br />feet; Enders Reservoir in Chase County, covering
<br />1,707 acres with available storage capacity of
<br />44,480 acre-feet; Hugh Butler and Harry Strunk
<br />Reservoirs, both in Frontier County, with respect-
<br />ive surface acreage of 1,629 acres and 1,850
<br />acres, and storage capacity of 37,776 acre-feet
<br />and 37,141 acre-feet. Harlan County reservoir is
<br />operated by the U.S. Army Corps of Engineers,
<br />
<br />and has a surface area of 13,024 acres, providing
<br />a storage capacity of 342,560 acre-feet.39
<br />Interstate Arrangements. An interstate
<br />compact on the Republican River allocating the
<br />flows of the river and most of its major tributaries
<br />between the states of Colorado, Kansas, and
<br />Nebraska has been in effect since 1943.40 The
<br />allocations are based on computed virgin flow
<br />conditions which are recomputed annually to
<br />determine if the variation is in excess of the
<br />original limits of variation established in the
<br />compact. The breakdown between the states is
<br />as follows:
<br />
<br />Colorado
<br />Acre-Feet
<br />
<br />Kansas
<br />Acre-Feet
<br />
<br />Nebraska
<br />Ac re- Feet
<br />
<br />TOTAL
<br />
<br />54,1 00
<br />
<br />1 90,300
<br />
<br />234,500
<br />
<br />North Fork of Rep. R.
<br />Arikaree R.
<br />South Fork of Rep. R.
<br />Beaver Creek
<br />Driftwood Creek
<br />Sappa Creek
<br />Prairie Dog Creek
<br />Rock Creek
<br />Buffalo Creek
<br />Medicine Creek
<br />Frenchman Creek (River)
<br />Red Willow Creek
<br />
<br />1 0,000
<br />1 5,400
<br />25,400
<br />3,300
<br />
<br />11 ,000
<br />3,300
<br />800
<br />6,700
<br />1,200
<br />8,800
<br />2,100
<br />4,400
<br />2,600
<br />4,600
<br />52,800
<br />4,200
<br />
<br />1,000
<br />23,000
<br />6,400
<br />500
<br />8,800
<br />12,600
<br />
<br />In addition, Colorado is allocated the entire
<br />supply of Frenchman Creek (River) and Red
<br />Willow Creek in Colorado; Kansas is entitled to
<br />an additional 138,000 acre-feet from otherwise
<br />unallocated upstream supplies; and Nebraska
<br />has a right to 132,000 acre-feet in addition to its
<br />upstream supplies.
<br />
<br />1.20
<br />
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