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<br />.r.'J":";' 01< <br /> <br />6 <br /> <br />7. An opportunity exists for river basin authorities to provide more <br />water for beneficial use, and to improve the dependability of that now being <br />used. <br /> <br />The report covering Water District No. 64 also contained a proposal fo, <br />increased water utilization. <br /> <br />Wa,j;er District? <br /> <br />The investigations which have been carried out in regard to the avail- <br />ability of water in the South Platte River have resulted in a number of <br />basic conclusions. Some of these conclusions apply to all river basins of <br />the State and some are related primarily to the area of study. As a result <br />of this report, which deals with Water District No.8, it has been concluded <br />that: <br /> <br />1. The use of water in Water District No.8 is predominantly for muni~ <br />cipal use, particularly along the main stem of the South Platte River from <br />which the cities of Denver, Aurora, Englewood and Littleton obtain all or <br />a part of their municipal water supplies. <br /> <br />2. The use of water for irrigation along the South Platte River is <br />diminishing as land is converted from farming to urban use. <br /> <br />3. Supplies from the South Platte River in Water District No.8 are <br />almost fully appropriated and municipalities such as Denver and Aurora must <br />import water from the west slope to meet their increasing water needs. <br /> <br />4. Groundwater in storage in the alluvial aquifer of the South Platte <br />is limited within District No.8 and does not offer the potential for devel~ <br />opment that exists in downstream reaches of the South Platte River. The <br />transient groundwater storage is estimated to be on the order of 30,000 acre- <br />feet, which is relatively small in comparison to that in storage in down- <br />stream reaches of the River. <br /> <br />5. The groundwater alluvium does not provide a dependable source of <br />supply for municipal use. <br /> <br />6. The potential exists for the development of storage and/or exchange <br />agreements to re-regulate transmountain diversions, facilitate the re-use <br />of return flows and for the capture and storage of flood flows; all of which <br />can be used to effect a more efficient use of available supplies. <br /> <br />7. The conjunctive use of groundwater and surface water in District <br />Nos. 1, 2, and 64 can provide for increased utilization of water in District <br />No.8. Return flow from increased diversions would be available downstream <br />for direct use, for storage in reservoirs, and for recharge of groundwater <br />aquifers. Similar increased water use could be made in the Poudre, Big <br />Thompson, St. Vrain, Boulder Creek, and Clear Creek Basins. <br /> <br />'I <br /> <br />;1 <br />, ,j~,... <br />i1;,'. ;.", ...~ _.._ <br /> <br />" <br />