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<br />Co., and 57 shares of Park Reservoir Co. Stored water is used to supplement the flow right in <br />case of drought or heavy demand. A summary of water rights and legal authority for the point <br />of diversion are found in Appendix C, <br /> <br />Project Description and Alternatives <br /> <br />The purpose of this project is to provide a means for USCDWUA to continue providing <br />acceptable domestic water service to existing shareholders while accommodating growth on the <br />system, The following alternatives were considered: <br />1. The no-action alternative, <br />2. Purchase additional capacity in the jointly owned system <br />3. Build a treatment plant using existing raw water collection system. <br />4, Build a treatment plant and new raw water intake and pipeline. <br /> <br />Alternative No.1 was considered unacceptable because USCDWUA water demand exceeds <br />its allowable capacity in the jointly owned system <br /> <br />Alternative No.2 was attempted, but failed because the Town of Cedaredge is not willing to <br />sell any more capacity in the jointly owned system, <br /> <br />Alternative No.3 will not solve the problem, because the existing raw water collection system <br />is the chief bottleneck that defines the total capacity of the jointly-owned system. The Town of <br />Cedaredge is unwilling to sell any more capacity in the raw water collection system; A capacity <br />upgrade to satisfy the needs of USCDWUA is expected to be costly, and would still involve the <br />cooperation of the Town. <br /> <br />Alternative No.4 was selected, since it is considered to have the greatest long term benefit to <br />the Association, <br /> <br />The selected alternative, Alternative No.4, involves construction of a rock diversion structure <br />in Surface Creek, a concrete pipeline intake, followed by screening and sedimentation <br />structures. After sedimentation, the raw water flows 3,000 feet through a 15-inch diameter <br />plastic pipe to reach the treatment plant. Water will be treated to meet State and Federal <br />standards for drinking water by a process train consisting of: <br />1. Pre-oxidation of organic material by chlorine dioxide <br />2, Coagulation with alum or ferric salts <br />3. Coarse filtration by pressure sand filters <br />4. Final filtration by membrane microfiltration (package plant by Pall Corporation) <br />5. Disinfection by chlorine. <br /> <br />The raw water intake and 2/3 of the pipeline will be located on easements which have been <br />acquired and recorded. The remainder of the pipeline and the treatment plant itself will be <br />located on property owned by USCDWUA. Access to the plant and intake is by a combination <br />of access easements, and roads on USCDWUA property. <br /> <br />The estimated cost of the completed water treatment plant project is $1.32 million. The cost <br />breakdown of the raw water portion, which would be financed by a CWCB Construction Fund <br />Loan, is summarized in Table 1. A cost estimate for the entire project is included in Appendix <br />D, as well as some preliminary engineering drawings for the raw water project. <br /> <br />7 <br />