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<br />" <br /> <br />000199 <br /> <br />. <br /> <br />annual diversion was 1,800 acre-feet in 1948 and the largest was 6,300 <br /> <br />acre-feet in 1954 and 1956. Officials estimate the seepage losses from <br /> <br /> <br />Powell Ditch as being only about 10 percent of the amount diverted. <br /> <br />Ramsey Ditch. The Ramsey Ditch diverts from the river 42.6 miles <br /> <br /> <br />downstream from the Balzac gaging station and 41.2 miles upstream from <br /> <br /> <br />the Julesburg gaging station, It serves a small irrigated area on the <br /> <br /> <br />north side of the river within 1/2 mile of the river. The average diver- <br /> <br /> <br />sion during the IS-year study period was 1,100 acre-feet ranging from <br /> <br /> <br />200 acre-feet in 1952 to 2,300 acre-feet in 1955. The delivery efficiency <br /> <br /> <br />of the Ramsey Ditch is estimated to be about 75 percent, <br /> <br /> <br />Harmony No.2 Ditch, The Harmony No.2 Ditch diverted, at one time, <br /> <br /> <br />from the river at the same point as the Ramsey Ditch. In recent years <br /> <br />the diversion has not been maintained. Apparently the ditch received <br /> <br /> <br />sufficient runoff and seepage from lands above it irrigated from the <br /> <br /> <br />North Sterling Reservoir Outlet Canal in order to supply its irrigated <br /> <br /> <br />acreage in combination with irrigation wells. <br /> <br />. <br /> <br />Harmony No, 1 Ditch. The Harmony No, 1 Ditch diverts from the river <br /> <br /> <br />46,4 miles downstream from the Balzac gaging station. It carries both <br /> <br />direct-flow water for irrigation of about 14,000 acres under the Harmony <br /> <br /> <br />No. 1 and storage water for the Julesburg Reservoir. The average annual <br /> <br /> <br />diversion for the IS-year study period was 25,500 acre-feet ranging from <br /> <br />a low of 10,900 acre-feet in 1959 to a high of 39,400 acre-feet in 1957. <br /> <br /> <br />The major losses in the Harmony No.1 Canal are in the first few miles <br /> <br /> <br />which traverse the alluvium. It is estimated that the delivery efficiency <br /> <br /> <br />is about 75 percent. <br /> <br />. <br /> <br />Julesburg Reservoir and Highline Ditch. Water diverted to storage <br /> <br /> <br />in the Julesburg Reservoir through the Harmony No.1 Ditch during the IS-year <br /> <br /> <br />study period averaged 14,600 acre-feet. The lowest diversion during the <br /> <br /> <br />period was 4,200 acre-feet in 1956 and the largest was 24,000 acre-feet in <br /> <br /> <br />1955. Approximately 9,000 acres are irrigated from the Julesburg Reservoir <br /> <br /> <br />through the Highline Canal. Besides the seepage losses in the inlet canal <br /> <br /> <br />seepage and evaporation losses occur from the reservoir and from the High- <br /> <br /> <br />line Canal. It is estimated that the overall efficiency of the system is <br /> <br /> <br />in the neighborhood of 50 percent. <br /> <br />-42- <br />