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<br />through evaporation, and this amount. varies in c~ose
<br />relationship to the different areas In t~e r~glon.
<br />Records indicote that the annual evaporatIon In the
<br />Arkansas Valley region ranges from 62 inches in the
<br />Eastern Counties to approximately 26.5 inches at
<br />Turquoise Reservoir neor leadville.
<br />
<br />Population
<br />
<br />Population of the Arkansas Valley has grown
<br />steadily, especially the Cities of Pueblo a~d Colorado
<br />Springs. Pueblo's population was 52,162 In 194? ~nd
<br />91,181 in 1960. Colorado Springs has had 0 slm.J~r
<br />growth rate going from 36,789 in .1940 to 70,194 In
<br />1960. Current estimated population for Colorado
<br />Springs and Pueblo is over 100,000 each. The popu-
<br />lation of the nine counties in which the Southeastern
<br />Colorado Water Conservancy District is located has
<br />grown from a population of 204,465 in 1940 to
<br />342,189 ;n 1960,
<br />
<br />
<br />DIVIDE. SOUTH FORK, CHAPMAN TUNNELS
<br />
<br />PROJECT AUTHORIZA TON
<br />
<br />Project authorization under Public Low 87-590
<br />approved August 16, 1962 is documented by House
<br />Document No. 187 and House Document No. 3.53.
<br />The bosic plan for the Fryingpon-Arkansas Prolec1
<br />was completed in 1950, and approved by the Secre-
<br />tary of the Interior in 1951. In 1953, t~e report w~s
<br />submilled to the Congress and was printed and dls,
<br />tributed as House Document No. 187, 83rd Congress,
<br />1 s1 Session.
<br />
<br />The Fryingpan.Arkonsas Project, located wholly
<br />within the Stote of Colorado, is a multiple-purp.os~
<br />development which will serve the functions of Irn-
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<br />gotion, municipal and industrial water, power, flood
<br />control, fish and wildlife, recreation, and sediment
<br />control.
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<br />The Project involves a transmountain diversion
<br />of water, thus requiring features on both the East
<br />and West Slopes of the Continental Divide. Water
<br />from the Colorado River Basin will be diverted for
<br />beneficial and consumptive uses in the Arkansas River
<br />Basin in Colorado. The imported water, together with
<br />regulated native Arkansas River water, will provide
<br />supplemental irrigation, munic.ipal and industrial
<br />water, and enable power generation. Flood c.ontrol
<br />will be provided by Pueblo Reservoir on the Arkansas
<br />River immediately above Pueblo, Colorado. (See
<br />Brochure No.2)
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<br />REPA YMENT OF COSTS
<br />
<br />The Fryingpan-Arkansas Project, as authorized
<br />by Public Law 87-590, required that all reimbursable
<br />Project costs be returned to the United States within
<br />a fifty year period following completion of Project
<br />construction. In accordance with Reclamation low, all
<br />construction costs and interest therein associated with
<br />hydroelectric power and municipal and industria!
<br />water investments are to be returned with interest.
<br />Investments in irrigation are reimbursable without
<br />interest. Costs associated with flood control, fish and
<br />wildlife and recreation are nonreimbursable. Repay-
<br />ment of the reimbursable portion of the $203,587,000
<br />Fryingpan-Arkansas Project are from a number of
<br />sources.
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<br />Revenues from contractural agreements made
<br />with the Homestake Project, CF&1 Steel Corporation
<br />and expected additional revenues from other con-
<br />tractural arrangements now under negotiation will
<br />materially assist in the repayment of aI/ reimbursa-
<br />ble costs. Also, revenues from the sale of Project
<br />power will provide considerable assistance towards
<br />repayment (see Brochure No.3).
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<br />COllECTION SYSTEM
<br />West Slope Features
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<br />Ruedi Dam and Reservoir
<br />
<br />Ruedi Dam is an earthfill structure 285 feet
<br />high. It has been constructed on the Fryingpan River
<br />approximately 14 miles East of Basalt, Colorado, and
<br />will provide water for replacement and other bene-
<br />ficial uses on the West Slope. The Reservoir has a
<br />storage capacity of 101,000 acre-feet, and was com-
<br />pleted ;n 1968,
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