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and downstream location, is typically the first of Denver's mountain reservoirs to fill during the <br />storage season. <br />Specifics regarding Cheesman Reservoir include: <br />• 79,064 ac-ft total capacity <br />• Maximum surface area of 874 acres <br />• No dead storage <br />• 79,064 ac-ft active capacity used by Denver Water <br />• Outlet capacity is not limiting <br />• Seepage losses from Cheesman Reservoir are estimated to be minor because of the dam and <br />reservoir location in canyon bedrock <br />An elevation-area-capacity table for Cheesman Reservoir was provided by Denver Water, as <br />summarized in Table 5. <br />Table 5 <br />Elevation-Area-Capacity Data <br />Cheesman Reservoir <br />Description Elevation Area Capacity <br />(feet msl) (acres) (ac-ft) <br />Dead storage level 6,645 27.1 0 <br /> 6,650 46 184 <br /> 6,660 75 782 <br /> 6,670 107 1,687 <br /> 6,690 174 4,467 <br /> 6,710 244 8,666 <br /> 6,730 317 14,248 <br /> 6,750 401 21,422 <br /> 6,780 542 35,536 <br /> 6,820 748 61,244 <br />Normal High Water Line (spillway) 6,842 874 79,064 <br />Maximum Water Surface Line 6,851 927 87,092 <br />Dam Crest 6,851 927 87,092 <br />Source: Denver Water <br />HydroBase Data <br />The data for the 1950 to present period of record pertaining to Cheesman Reservoir include the <br />following: <br />End-of--Month Contents (see Figure 10) <br />• End-of--month contents missing for water years 1950 to 1972 and 1982 along with <br />sporadic months missing in other years. Denver Water provided a complete set of end- <br />of-month storage contents data for Cheesman Reservoir. These data have been <br />forwarded to the DWR database administrator for inclusion into HydroBase, and are <br />included in Figure 10. <br />Denver Water Board Operating Memorandum 18 of 40 <br />