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<br />. <br /> <br />. <br /> <br />. <br /> <br />Draft <br />1/22-23/87 <br /> <br />COLORADO WATER CONSERVATION BOARD <br />721 State Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br /> <br />Morrison Consolidated DitCh Project <br />(Morrison Consolidated Ditch Company) <br /> <br />Introduction <br /> <br />The Morrison Consolidated Ditch Company's irrigation system <br />is located in southeast La Plata County, about 10 miles . <br />southeast of'~5p'ngo, ~he .~[a;;A~ "ir'1-1i illiA .HSUU">;oefI ,O.f.J <br />system was} d'anStlucted ln ~ bout 8,800 acres are 'truz. /o1e <br />irrigated ~y the system. The acreage ranges in elevations from /~~^ <br />6,300 feet to 6,800 feet above mean sea level. Thirty-nine uv<L <br />percent is in alfalfa and hay, 42 percent in pasture, 11 ~ <br />percent in small grains, and 8 percent in corn, <br /> <br />Problem {ff>0f.;uded- ;"'/9,/1- ~ oJ <br /> <br />~ siPhon~has had a history of high maintenance from the <br />time it was constructed. Nearly every section of the structure <br />has been repaired, but now the bottom side of the siphon is <br />considered by the U.S. Soil Conservation Service (SCS) to be <br />beyond repair. In the immediate future, severe breaks are <br />expected to occur, causing the interruption of water deliveries <br />and reSUlting in reduced crop yields. <br /> <br />The feasibility study for this project was prepared by SCS <br />under the authority of sections 1528-38 of the AgriCUlture and <br />Food Act of 1981 (P.L. 97-98) and is the basis for the recommen- <br />dation for this project. <br /> <br />Proposed Proiect <br /> <br />After evaluating and studying several alternative plans for <br />the rehabilitation of the siphon structure, the alternative <br />selected was the installation of a new concrete siphon where <br />the present structure is now located. It will be a 950-foot <br />underground concrete siphon designed to carry 110 cubic feet <br />per second of irrigation water. It will have a one-year <br />installation periOd and will cost $200,000. <br /> <br />2363E <br />