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<br />EVALUATION OF NARROWS UNIT, COLORADO
<br />'Pick-Sloan Missouri Basin Program
<br />December 1981
<br />
<br />INTRODUCTION
<br />
<br />The Addendum to the Definite Plan Report for the Narrows Unit, May 1976,
<br />evaluated a plan of development which would serve the following pur-
<br />poses: irrigatiqn, flood control, recreation, fish and wildlife, and
<br />highway improvement.
<br />
<br />The purpose of this evaluation is to analyze the authorized project with
<br />municipal and industrial water and without flood control. The addition
<br />of hydroelectric power is also evaluated.
<br />
<br />AUTHORITY AND HISTORY
<br />
<br />The Narrows Oam was originally authorized as a unit of the Missouri
<br />River Basin Project (now the Pick-Sloan Missouri Basin Program) by
<br />the Flood Control Acts of 1944, 1946, and 1950. A definite plan report
<br />was prepared in 1951. Pub 1 ic Law 88-442, approved August 14, 1964,
<br />required that all Missouri River Bas in Projects not under construct ion
<br />at that time be reauthorized by an Act of Congress, Accordingly, a
<br />feasibility report was published in January 1967 and approved and
<br />adopted by the Secretary of the Interior in September 1967.
<br />
<br />The Secretary of the Interior's report was transmitted to Con9ress in
<br />May 1968 and printed as House Document No. 320. A reevaluation state-
<br />ment dated November 1969 was made a part of the Department's reports on
<br />the authorizing bills. Following the hearings, the Narrows Unit was
<br />authorized for construction and operation by Public Law 91-389,
<br />August 28, 1970. The authorized purposes include irrigation, flood
<br />control, fish and wildlife, recreation, municipal and industrial water,
<br />and other purposes. The principal features of the Narrows Unit will
<br />include the Narrows Dam and Reservoir; fish hatchery and rearing ponds;
<br />acquisition and development of the existing Jackson Lake Reservoir,
<br />including some'rehabilitation of Jackson Lake Oam, for public outdoor
<br />recreation and fish and wildlife enhancement; and other necessary \,orks
<br />and facilities to effect its purpose.
<br />
<br />The final environmental statement was fi led with the Council on
<br />Environmental Qual ity in May 1975, and an addendum to the Definite
<br />Plan Report was prepared in June 1976. Repayment contracts were signed
<br />with the Lower South Platte Water Conservancy District on July 27, 1976,
<br />and the Central Colorado Water Conservancy District on July 30, 1976. A
<br />contract was executed on August 18, 1976, with the State of Colorado for
<br />repayment of reimbursable recreation costs under provision of Public Law
<br />89-72. A contract will have to be negotiated with the State of Colorado
<br />for repayment of reimbursable fish and wildlife enhancement costs under
<br />provision of Publ.ic Law 93-251 prior to construction of fish and wild-
<br />life facilities. In February 1978, a special report outlining the
<br />results of the investigation on specific issues was submitted to the
<br />Department of the Interior.
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