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<br />I <br />II <br />II <br />II <br />II <br />II <br />II <br />II <br />II <br /> <br />SECTION 3 <br />RAW WAtER SUPPLY <br /> <br />General. <br /> <br />This section will deal with the me,hod of supplying raw water to the <br /> <br /> <br />water treatment plant. The existi~g facilities will be briefly described, <br /> <br /> <br />then the adequacy of these existing facilities will be discussed along with <br /> <br /> <br />improvements that will be required if the facilities are to be used on a <br /> <br /> <br />continuing ba~s in the future. <br /> <br />To facilitate the comparison of the continued use of the present method of <br /> <br /> <br />supplying raw water with an alternate of pumping all raw water to the <br /> <br /> <br />treatment plant, operation and maintenance costs and capital expenditures will <br /> <br /> <br />be developed for continuing to use the present facilities. These costs will <br /> <br /> <br />then be reduced to an equivalent annual cost over the next 20 years. <br /> <br />II <br /> <br />For the alternate of pumping all the raw water this same information will <br /> <br /> <br />be developed and a comparison can then be made on the two alternate methods <br /> <br /> <br />of providing a raw water supply to the treatment plant. <br /> <br />II <br /> <br />[I <br /> <br />Finally, the adequacy of the City's water rights with respect to future demand <br />will be investigated. <br /> <br />II <br /> <br />Description of Existing Facilities. <br /> <br />rl <br /> <br />Canon City's source of raw water is the Arkansas River. Intake facilities <br />are located in the Royal Gorge and ~ater is normally fed by gravity to the <br />treatment plant through a 30" woodell and steel transmission line 7 miles <br />long. A pump station located below the treatment plant can also supply the <br />plant and is used as a standby when problems occur with the intake facilities <br />or transmission line. <br /> <br />II <br /> <br />II <br />] <br />J <br />J <br /> <br />The original intake facilities were constructed in approximately 1908 and <br />modified in 1931. They consist of ~ dam and inlet basin connected to initial <br />sand settling basins by appr~ximateJ.y 600 feet of 40" steel pipeline. <br /> <br />3~1 <br />