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<br />Flood Control <br /> <br /> <br />3eginnfng of 242.mile Colorado River AQueduct. <br /> <br />Lake Mead is the only reservoir on the <br />Colorado River in which a specified space is <br />exclusively allocated for mainstem flood <br />control. Flood control regulations for Hoover <br />Dam are being updated and revised by the <br />Bureau of Reclamation and the Army Corps of <br />Engineers with the consultation and advice of <br />State and local interests. <br /> <br />~ draft report has been prepared and is In the <br />review process. After the review process has <br />Jeen completed, a final report and revised <br />regulations will be published. An interim <br />3greemenl on flood control regulations prior <br />to pUblication of the revised regulations is now <br />n effect. II takes inlo account the available <br />~ffectjve space in Colorado River Storage <br />'roject (CRSP) reservoirs as well as In Lake <br />>1ead, <br /> <br />_ocal flood control protection was provided by <br />he reservoirs within the basin during water <br />'ear 1981, which received lower total <br />)recipitation than during normal years. Total <br />~olorado River reservoir system storage at <br />he start of water year 1981 was <br />,pproximalely 54,5 million acre-feet and about <br /> <br /> <br />CoachellaCanal he1ps lurn desert areas Into fertile California: land <br /> <br />49.6 million acre-feet at the end of the water <br />year, representing a 4.9 million acre-feet <br />increase in total remaining available reservoir <br />space. <br /> <br />In addlUof\ to too mainstem stTuctures, Alamo <br />Dam on the Bill Williams River, and Painted <br />Rock Dam on the Gila River (both in the Lower <br />Basin) received flood inflow during the winter <br />months. Painted Rock and Alamo Reservoirs <br />are scheduled to be operated at minimum <br />flood control levels during 1982, <br /> <br />Flood control storage space will be <br />maintained in Lal<.e Mead as 5~ipula\e(j in the <br />new interim agreement between the Bureau <br />of Reclamation and the Army Corps of <br />Engineers. <br /> <br />23 <br />