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WSP12299
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Last modified
1/26/2010 4:14:31 PM
Creation date
10/12/2006 5:30:23 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8282.600.10
Description
Colorado River Annual Operating Reports
Basin
Colorado Mainstem
Date
1/1/1975
Author
USDOI/BOR
Title
Operation of the Colorado River Basin 1975 Projected Operations 1976
Water Supply Pro - Doc Type
Publication
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<br />Lower <br />Basin <br />36 Reservoirs <br /> <br />Lake ~Iead <br /> <br />Lake Bavasu <br /> <br />During the 1976 water year, the <br />Lake Mead water level is sched. <br />uled to remain at about elevation <br />1,188 feet to enhance the bass <br />spawn and survival conditions. <br />At that level, the lake will have an <br />average active storage of about <br />21.2 million acre.feet. During <br />water year 1976, a total of 8.1 <br />million acre.feet is scheduled to <br />he released from Lake Mead to <br />meet all downstream requirements. <br />All releases are scheduled to pass <br />through the turbines for electric <br />power production, (Chart 7.) <br /> <br />Lake lUohave <br /> <br />The water level of Lake Mohave <br />is scheduled to rise through the <br />fall and winter months and reach <br />elevation 643 feet by February 29, <br />1976, It should remain near that <br />yearly high elevation th rough <br />May 1976, Because of the heavy <br />irrigation use during the su:nrner . <br />months, the water level in Lake <br />Mohave is expected to he drawn <br />down to elevation 631 feet by the <br />end of the water year 1976. Dur. <br />ing that time a total of 8.2 million <br />acre-feet is scheduled to be reo <br />leased from Lake M ohave to meet <br />all downstream requirements. All <br />releases are scheduled to pass <br />through the turbines for electric <br />power production, (Chart 8.) <br /> <br />Lake Havasu is scheduled at the <br />highest levels consistent with the <br />requirements for maintaining <br />flood control space. The yearly <br />low elevation of 446 feet is sched- <br />u led for the December through <br />February high Rood.hazard pe. <br />riod, The yearly high of 449 feet <br />is scheduled for the low Rood. <br />hazard months of May and June, <br />During water year 1976, a total of <br />7.0 million acre-feet is scheduled <br />to be released from Lake Havasu <br />to meet all downstream require. <br />ments. All releases are scheduled <br />to pass through the turbines for <br />electric power production. (Chart <br />9.) <br /> <br />/' <br /> <br />As the Nation's principal <br />conservation agency, the Depart- <br />ment of the Interior has responsi. <br />bility for most of our nationally <br />owned public lands and natural <br />re!,ources. This includes fostering <br />the wisest use of our land and <br />water resources, protecting our <br />fish and wildlife, preserving the <br />en....ironmental and cultural values <br />of our national parks and histori- <br />cal places, and providing for the <br />enjoyment of life through outdoor <br />recreation. The Department <br />assesses our energy and mineral <br />resources and works to assure that <br />their development is in the best <br />interests of all our people. The <br />Department also has a major <br />responsibility for American Indian <br />reservation communities and for <br />people who li\.e in Island Terri- <br />tories under U.S. administration. <br /> <br />'" u.s. Government Printing Office: 19 7 6 -6 B 2.890 <br />
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