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<br />Number Six Ditch Company <br />July 12, 2005 <br />Page 2 of 4 <br /> <br />Agenda Item 6b <br /> <br />others in the Mancos Valley. Qualifying agriculture producers that install "more efficient irrigation <br />systems", which reduce salt loadings may be eligible for funding by the EQIP. <br /> <br />Feasibility Study <br /> <br />Jack Burk, Company President, has completed the feasibility study in accordance with CWCB <br />guidelines. The study includes an assessment of alternatives available for ditch rehabilitation. The <br />cost estimate was provided by NRCS. Raymond Keith of the Mancos Conservation District continues to <br />provide guidance and coordination on salinity projects in the valley. <br /> <br />The Number Six Ditch ComDanv <br /> <br />The Company is a non-profit corporation registered in the State of Colorado in January 2004 and is in <br />good standing. There are 23 funding members. The Company is relatively new; however, the Ditch has <br />been in existence for nearly 126 years. Prior to incorporation, an informal version of the Company <br />managed the Ditch by distributing costs or in-kind services for Ditch maintenance and repair needs <br />(approximately $1200 per year). The Company's Funding Agreement establishes that member <br />assessments will be based on the maximum amount of water (in cubic feet per second) that each <br />funding member is entitled to have carried through the pipeline by the Company. The Company will <br />own, operate and maintain the new pipe system and diversion structure and will have the responsibility <br />to receive, convey and deliver irrigation water to the members of the Company. The Company will <br />repair, improve and/or reconstruct the Ditch when necessary. The Company DOES NOT own any of <br />the water conveyed in the Ditch. <br /> <br />Water Riahts <br /> <br />The members of the Company own the water rights conveyed in the Ditch. The source of the irrigation <br />water is the Mancos River. Two open ditches currently carry the 9.5 cfs and an average of 2051 acre- <br />feet of direct flow per year (measured 1974-2003 per State Engineer's Office Summary), with the <br />highest diversion measured in 1997 of 1,228 ac-ft. The water is diverted from the Mancos River under <br />several different adjudicated rights with dates of appropriation ranging from 1877 to 1893. In addition, <br />19 rights (540 acre-feet) to storage water in Jackson Gulch Reservoir are used to supplement <br />adjudicated rights late in the irrigation season. <br /> <br />Proiect DescriDtion <br /> <br />Three alternatives were analyzed in the feasibility study: <br /> <br />1 ) No action alternative <br />2) Individual members construct pipeline to meet their own needs <br />3) Participate in the Mancos Valley Unit of the Colorado River Basin Salinity Control Program <br /> <br />The Company chose to participate in the Salinity Control Program primarily due to the available NRCS <br />funding assistance. The selected alternative includes a new diversion structure, flow rate measurement <br />structure, approximately 29,000 feet of PVC pipeline, metered delivery points to each member, valves, <br />drains and vents, and river channel improvements to improve delivery of the water to the diversion <br />structure. <br /> <br />Total Project cost estimate is: <br /> <br />TOTAL <br /> <br />$114,823 (20% of Const. Cost) <br />574.118 <br />$688,942 <br /> <br />1. <br />2. <br /> <br />Planning/Engineering <br />Construction <br />