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1, Re- regulating some of the existing water supply to provide <br />for its most efficient and beneficial use. <br />2. Consolidation of unusable established storage rights to effect <br />their optimum utilization, <br />3, Abandonment of some inefficient plains reservoirs, <br />C Replace Halligan Dam and Reservoir as the regulatory reservoir <br />in the northern part of the system. <br />5o Water Savings, <br />6, Storage of some supplemental water, <br />Dam, The Park Creek Dam will be a rolled, earthfill structure having <br />a total embankment of about 413, 000 cubic yards. The maximum height will <br />be 114 feet, with 10 feet of freeboard at normal high water level and 4 feet <br />at maximum flood stage water level. The crest will be 1, 005 feet long and <br />20 feet wide. The dam will be zoned with an impervious core and a shell of <br />relatively pervious material encasing the core. A cut -off trench will be con- <br />structed upstream from the dam axis for the full length of the dam, and will <br />extend into bedrock a minimum of 3 feet, <br />Reservoir The reservoir will have a total capacity of 7, 155 acre <br />feet, of which 7, 055 acre feet will be active storage for irrigational purposes <br />and 100 acre feet will be a dead or silt pool. The water surface area will vary <br />from 60 4 acres to 275 acres <br />Outlet Works. The outlet works which will be constructed almost en- <br />tirely from reinforced concrete will consist of the following: Inlet structure <br />S -5 <br />