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<br />LAKE HAVASU <br />(COLORADO RIVER) <br /> <br /> <br />WalerYear 1986 <br /> <br />At the beginning of water year 1986, the water level of Lake <br />Havasu, impounded by Parker Oam, was at elevation 446 feet <br />with an active storage of approximately 540,000 acre-feet. <br />During October, November, and Oecember 1985, the <br />reservoir fluctuated between elevation 446 feet and 448 feet. <br />In early April 1986, tbe reservoir was at elevation 446 feet to <br />provide vacant space for runoff from the drainage area <br />between Davis and Parker Dams. The water level was then <br />raised to an approximate elevation of 449 feet near the fu st <br />part of May, with an active storage of about 602,000 acre-feet. <br />At the end of the water year, Lake Havasu was at an elevation <br />of about 448 feet with ai' aclive storage of 577,000 acre-feet. <br /> <br />During the water year, approximately 16,015,000 acre-feet <br />were released at Parker Dam, of which approximately <br /> <br />ACTUAL RELEASES <br /> <br />WY 1986 <br /> <br />tooo OF. <br />.. <br /> <br />ao <br /> <br />.......... <br />.....r ,... <br />...,...' -....,. <br />. 11'9" . <br /> <br />.. <br /> <br />.. <br /> <br />-- <br /> <br />. <br /> <br />I'IDJPMAMJJASO <br /> <br />14,703,000 acre.feet passed through the turbines for power <br />production. The total release amount included releascs from <br />Alamo Dam on the Bill Williams River. In addition to the <br />releases from Parker Dam, approximately 1,294,000 acre-feet <br />were diverted from Lake Havasu by MWD. Diversions from <br />Lake Havasu for the Central Arizona Project (CAP) were <br />109,000 acre-feet during the water year. <br /> <br />Space in the top 10 feet of Lake Havasu (about 180,000 <br />acre-feet) is reserved by the United States for control of floods <br />and other uses, including river regulation. Normally, only <br />about the top 4 feet, or 77,000 acre. feet of space, have been <br />used for this purpose since the Alamo Reservoir on the Bill <br />Williams River has been in operation. <br /> <br />LAKE HAVASU <br /> <br />Reservoir <br /> <br />Acre-feet <br /> <br />Elevation, feet <br /> <br />Maximum Storage <br />Rated Head <br />Minimum Power <br />Surface Area, full <br />Reservoir Length, full <br /> <br />619,400 <br />619,400 <br />439,400 <br /> <br />450 <br />450 <br />440 <br />20,4<Xl Acres <br />35 Miles <br /> <br />Powerplant <br /> <br />Number of Units <br />Total Capacity <br /> <br />4 <br />120,000 Jo..'W <br /> <br />19 <br />