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<br /> <br />W <br />IV <br />.I>> <br />... <br /> <br />Several cypcs of desalination treatment planes arc available and <br />preliminary studies indicated that the multistage flash distillation <br />process is the most thoroughly proven method for treating water similar <br />to the Dotsero-Glenwood Springs. Some very approximate cost estimates <br />for treatment plants and associated features were prepared considering <br />an individual plant located near each of the sources or a combined <br />plant to treat both sources. This potential plan and the coat estimates <br />are discussed below, <br /> <br />COST ESTIHATES <br /> <br />The quantity and quality of the collectible discharges of the springs <br />in the Dotsero and Glcnwood Springs areas were coordinated ....ith the <br />Dt'salting llandbook for Planners, First. Edition, !-lay 1972, for e6timating <br />the cost of desalting these flo\ols. This handbook ....af> prepared for the <br />Office of Saline Water, ~ashington, D. C., by a special team of the <br />Bureau of Reclamation, Engineering and R~se.:J.rch Center, Denver, Colorado, <br />....ith the participation nnd under the general direction of the Office of <br />Saline Water Desalting Feasibility and Economics Studies Staff. J <br /> <br />The handbook has been prepared for use in preliminary planning as a source <br />of up-co-date information on the state of development, cases, economics. <br />and applicability of those desalting processes which are available for <br />improving the quality of \oIater. <br /> <br />The pertinent data collected at Dotsero and Glcnwood Springs indicate <br />the average total dissolved solids contained in the discharges from <br />these two areas to be approx}matcly 9.300 and IS,OOO parts per million <br />(p.p.m.) respectively. TIle combined weighted average of both areas is <br />about 14,200 p.p.m. The discharge of the springs at Dotsero has been <br />measured to be about 7 second-feet and at Glenwood Springs to be approxi- <br />mately 9 second-feet. <br /> <br />Because of the approximately 16 miles separating the two spring areas a <br />cost estimate \Jas prepared for individual plants for desalinizing the <br />discharges of the Dotsero area in that vicinity and for desalting the <br />flows of the Glen\Jood Springs area locally, and a cost estimate was <br />made of a single plant to treat the combined discharges of both areas. <br />A schematic outline of these plans is shown on the following page. <br /> <br />30 <br />