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<br />Dotsero Powerplant: <br />Description <br />Water l;Jroducect. Area 3 <br />Above elevation 9250 less Dry Sweetwater <br />Creek <br />Below elevation 9250 <br />Irrigation return flow <br />TOTAL, all controlled by Sweetwater Lake <br />Controlled release, Sweetwater ?owerplant <br />TOTAL <br />helease to streams <br />Evaporation (Sweetwater Lake) <br />Irrigation <br />otall'deaSE:S and losses <br /> <br />ACrft. <br /> <br />22,700 <br />12,600 <br />1,000 <br />36,300 <br />115,630 <br />151,930 <br /> <br />2,920 <br />790 <br />4,840 <br /> <br />8,550 <br />i43,380 <br /> <br />'l'O'J.'AL controlled for project use <br /> <br />Capacity and Size of Features <br /> <br />Meadows Reservoir: The Nieadows r..eservoir has been sized to <br />go fronl full to full in 20 years during the driest period of record. <br />The maximum capacity of this reservoir. desirable from a hydro- <br />logic view. was determined to be 8!i. 500 acre-feet. Itwould pro- <br />bably be uneconomical to build a larger reservoir to compensate <br />for the shortages occuring during a similar period. <br /> <br />Sweetwater Lake: The capacity of Sweetwater Lake was not estab- <br />lished by hydrologic studies. as was Meadows Reservoir, but by <br />obtaining the maximum head for the Sweetwater Powerplant con- <br />sistent with reasonable excavation for the powerplant and tailrace <br />channtl. Sweetwater Lake raised to this level will have 5.350 <br />acre-feet of active storage capacity. <br /> <br />2112 <br /> <br />The 35.500 acre-feet of water directly tributary to Sweetwater <br />Lake would occur in about the same variable pattern 3.S the water <br />produced by Area 2 supplying Meadows Reservoir. Stream flow <br />is greatest in the spring. Because the required irrigation release <br />is also greatest at this time. storage requirements for the spring <br />runoff are reduced. The 5.350-acre-foot capacity planned for the <br />enlarged Sweetwater Lake is considered ample to regulate the <br />35.500 acre-feet directly tributary to Sweetwater LaKe. <br /> <br />Powerplants and Conduits: The capacities of conduits and power- <br />plants have tentatively been established at 260 cubic feet per sec- <br />ond above Sweetwater Lake and at330 cubic feet per second below <br />Sweetwater Lake. The capacities shown here may be expected to <br />vary somewhat from the economical capacities decided upon when <br />actual power contracts are considered. It is reasonabl~ to expect <br />that capacities will be increased rather than decreased, as hydro- <br />electric peaking capacity is generally considered valuable in this <br />region. <br /> <br />* * * * * <br /> <br />* * * * * <br /> <br />14 <br />