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<br />1"\1..... '"\~? <br />: .,)..<1 <br /> <br />. <br /> <br />Governments' Open Space Advisory Committee indicated, in a <br />recent study, that there would be a need for over 18,000 acres <br />of local park lands and over 19,000 acres of regional park lands <br />by the year 2000. The Missouri River basin comprehensive frame- <br />work studies indicate a need for about 40,000 additional surface <br />acres of water-based recreational development in 500-acre units <br />or less within 100 miles of Denver. <br /> <br />d. Water quality. Cherry Creek is a polluted stream and <br />is periodically dry downstream from the Cherry Creek Dam. <br />Intermittent flows in the downstream areas are caused by <br />ground water seepage and by storm sewer effluent. The stream- <br />bed produces a sewage odor and contains evidence of oil. <br /> <br />e. Erosion and sedimentation. Soil Conservation Service <br />structures in the upland areas of the basin have reduced the <br />basin's sheet and gully erosion problems. Erosion around bridge <br />piers and abutments and lateral channel shifting continue to be <br />a problem along tributary watercourses and along the Cherry <br />Creek channel downstream from Franktown. <br /> <br />f. Hydroelectric power. navi~ation. andirri~ation. Water <br />yields from the Cherry Creek basin are insufficient to support <br />the development of hydroelectric power. navigation, or irrigation. <br /> <br />g. Summary. The major water resources problems of the Cherry <br />Creek basin are flooding, insufficient water supply, erosion, and <br />sedimentation. There is also a need to improve the water quality <br />of the basin and to provide additional recreational opportunities. <br />In addition to these problems, there are potentially serious hazards <br />associated with the existing Cherry Creek project. The development <br />that has occurred along Sand and Toll Gate Creeks downstream from <br />the Cherry Creek emergency spillway and the development in the <br />Cherry Creek Reservoir area both pose a serious threat to human <br />life and property. A deficiency in the height of the Cherry Creek <br />Dam embankment adds to those threats. <br /> <br />16. SOLUTIONS CONSIDERED <br /> <br />a. General. The planning objectives set forth in Senate <br />Document No. 97, 87th Congress, 2d Session, were considered in <br />the development of potential solutions to the basin's problems. <br />The compatibility of the various solutions with the basin-wide <br />development was also considered. It was recognized that because <br />of insufficient water yields from Cherry Creek, there is little <br /> <br />. <br /> <br />23 <br /> <br />