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J ~<.:-'\ , <:> CI:'> ;.,...J 18, Up~rade Existing System Alternat'ive ~. ...... This alternative plan calls for upgrading the existing water distribution system on Hright's Uesa; one improvement would be the relining of Gurley Ditch to Coventry Hill to reduce seepage r ~ losses. Land on Hright's l1esa would be placed under sprinkler irrigation, with pressure developed by gravity. Turnouts ,,rould be provided at each ownership. The existing ditch system would still be used to supply the supplemental land in the East Lilylands and the Dry Creek Basin, with no improvements slated for these areas. The project would serve a total of 11,483 acres of supple- mental service land on Hright's l1esa. Also, 100 acre-feet of municipal water would be provided for Norwood under this plan. The Upgrade Existing System Alternative would provide an average 70 percent of a full irrigation supply, as opposed to the current figure of around 48 percent. Some method for the possible redis- tribution of water rights would also be worked on to help make this alternative hold water. Feature Description Cost (Jan '79) Gurley Canal 35 cfs capacity and 7.6 mi $ 2,000,000 South Lateral Canal 78 cfs capacity and 4 mi $ 1,800,000 Laterals and Drains 11,483 acres $16,200,000 Total Construction Cost Total Average Annual OH&R .$20,000,000 .$ 15,000 ; I i Ij }; , " I ,~~; i ~<: ': ~ ;^1 '" 'I '1' '1 il I , 'r ,( j ~ II i~ II I I I "I i !