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<br />,I " <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />UUOl97 <br /> <br />No.2 Ditch during the IS-year study period was 1,800 acre-feet, ranging <br /> <br /> <br />from a minimum of 300 acre-feet in 1959 to a maximum of 3,700 acre-feet <br /> <br /> <br />in 1950. The high variability of diversions reflects the difficulty <br /> <br /> <br />experienced by a relatively junior water right diverting immediately <br /> <br /> <br />downstream from a senior water right, It is understood that as of 1977, <br /> <br /> <br />all of the irrigated area under the Sterling No.2 Ditch is being served <br /> <br /> <br />by wells as alternate points of diversion. The efficiency of delivery <br /> <br /> <br />during the IS-year study period is estimated to be 75 percent, <br /> <br /> <br />Henderson and Smith Ditch, The Henderson and Smith Ditch is a small <br /> <br /> <br />ditch system on the south side of the river diverting from a point 22.7 <br /> <br /> <br />miles downstream from the Balzac gaging station, Estimates of the area <br /> <br />irrigated from this ditch vary widely between different sources, but it <br /> <br /> <br />I appears that about 900 acres is correct. The average annual diversion of <br /> <br /> <br />river water during the IS-year study period by the Henderson and Smith <br /> <br /> <br />Ditch was 2,100 acre-feet. The lowest annual diversion was 1,100 acre-feet <br /> <br /> <br />in 1947 and the largest was 3,000 acre-feet in both 1954 and 1956. This <br /> <br /> <br />reflects a favorable seniority and position on the river in order to <br /> <br />record maximum diversions in dry years. The ditch diverted 2,558 acre- <br /> <br />feet of river water in 1977. It is estimated that the delivery efficiency <br /> <br /> <br />of the Henderson and Smith Ditch is about 75 percent. <br /> <br /> <br />Lowline Ditch. The Lowline Ditch diverts from the river 23.0 miles <br /> <br /> <br />downstream from the Balzac gaging station and serves a little over 2,000 <br /> <br /> <br />acres of irrigated land on the north side of the river. The average annual <br /> <br /> <br />diversion of river water during the IS-year study period was 6,900 acre- <br /> <br /> <br />feet. The lowest annual diversion amount was 4,300 acre-feet in 1957 and <br /> <br /> <br />the largest was 9,900 acre-feet in 1950. The delivery efficiency of the <br /> <br /> <br />Lowline Ditch is estimated to be about 80 percent of the water diverted. <br /> <br /> <br />Bravo Ditch. The Bravo Ditch diverts from the river 27.6 miles down- <br /> <br /> <br />stream from the Balzac gaging station and serves an area estimated by <br /> <br /> <br />different sources as being as low as 1,200 and as high as 3,300 acres. <br /> <br /> <br />During the IS-year study period, the Bravo Ditch diverted an average of <br /> <br /> <br />6,300 acre-feet and a minimum of 4,400 acre-feet (1954). With these diver- <br /> <br /> <br />sions, it would appear that an irrigated area of about 3,000 acres may be <br /> <br />correct. It is estimated that the delivery efficiency of the Bravo Ditch <br /> <br /> <br />is about 70 percent. <br /> <br />-40- <br />