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WSP11872
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Last modified
1/26/2010 3:19:09 PM
Creation date
10/12/2006 5:15:05 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8282.600.10
Description
Colorado River Operating Annual Reports
Basin
Colorado Mainstem
Date
1/1/1981
Author
USDOI/BOR
Title
Operation of the Colorado River Basin 1981 Projected Operations 1982
Water Supply Pro - Doc Type
Publication
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<br /> <br />.ake Havasu (Colorado River) <br /> <br />-~, .; ^ - . <br />.~' <br /> <br />~. - ,. <br />~ - ,- <br /> <br />Ian! pipe sections for Cenlral Arizona PrOJecl dwarf car. <br /> <br />"'aler Year 1981 <br />It the beginning of water year 1981, the water <br />evel 01 Lake Havasu, impounded by Parker <br />Jam, was at elevation 447 feel with an active <br />'torage of about 554,000 acre.feet. The <br />reservoir was drawn down to approximately <br />qlevation 446 feet, with an active storage of <br />about 549.000 acre.feet in February to <br />provide fiood conlrol space for runoff from the <br />drainage area between Davis and Parker <br />Dams. The water level was then raised to an <br />approximate elevation of 450 feet by the end <br />of June, with an active storage of about <br />312.000 acre-feet. By the end 01 the water <br />(ear, Lake Havasu was drawn down to about <br />147 feet with an active storage 01569,000 <br />lcre-feel. <br /> <br />Juring the water year, approximately <br />1,653.000 acre-feet were released at Parker <br />)am. all 01 which passed through the <br />urbines for power production. That amount <br />lcluded the additional releases tram Lake <br />~ead during the year and fiood control <br />eleases from Alamo Dam on the Bill Williams <br />liver. <br /> <br />pace in the top 10 feet of Lake Havasu <br />'bout 180,000 acre-feet) is reserved by the <br />Inited States tor cootrol of floods and other <br />ses, including river regulation. Normally, only <br />bout the top 4 feet, or 77 ,000 ac re-teet of <br />pace, have been used for this purpose since <br />lamo Reservoir on the Bill Williams River <br />as been in operation. <br /> <br />'. -~'1,;;::""""":~:;iH~'~~;:----:-- ,,~~.-- --~~,,-;~ j <br /> <br />,,' <br /> <br />WalerYear1982 <br />Lake Havasu is scheduled at the highest <br />levels consistent with the requirements for <br />maintaining flood control space, The yearly <br />low elevation of approximately 446 feet is <br />scheduled for the October through February <br />nigh flood hazard period, The yeariy high of <br />450 feet is scheduled for the low flood hazard <br />months of May and June, During water year <br />1982, a total Of approximately 6,6 million acre. <br />feet is scheduled to be released from Lake <br />Havasu to meet all downstream requirements. <br />Ail releases are scheduied to pass through the <br />turbines for electric power production. <br /> <br /> <br />I <br />",! <br /> <br />Lelluce being loaded 'or Eastern markets. <br /> <br />Lake Havasu Active Storage. <br />Reservoir (Acre-Feet) <br /> <br />MaJ<imum Storage 619,400 <br />Rated Head 619,400 <br />Minimum Power 439,400 <br />Surface Area (Full) 20,400 Acres <br />Reservoir Length <br />(Full) <br />Power Plant <br /> <br />Number of Units <br />Total Capacity <br /> <br />Charf 8 <br />EI.(Ft.) <br /> <br />450,0 <br />450.0 <br />440,0 <br /> <br />35 Miles <br /> <br />"dOllS nOllnclude 28.600 serll.tOllt 01 dosd etorago <br />below 400.0 '1101 <br /> <br />4 <br />120,000 Kilowatts <br />
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