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<br />SYSTEM PLANNING AND CONTROL
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<br />The system is operated for irrigation, municipal and industrial,
<br />hydroelectric power production, flood control, recreation, fish and
<br />wildlife preservation, and other purposes. Each project of the
<br />system must be operated in accordance with the purposes for which
<br />it was authorized and constructed. As stated previously, the objec-
<br />tive of a coordinated system operation is to obtain optimum benefits
<br />consistent with the operational limitations of the individual projects.
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<br />The integrated operation of the system is planned and coordinated
<br />by the Bureau of Reclamation's Water Scheduling Division of the South
<br />Platte River Project Office in Loveland, Colorado. This organzation
<br />collects and analyzes information daily and makes the decisions
<br />necessary for a successful operation of the system. This is a contin-
<br />uous water-management function involving coordination among Upper
<br />Colorado, Upper Missouri, and Lower Missouri Regions of the Bureau
<br />of Reclamation. When reservoir levels rise into the exclusive flood
<br />control pools at Glendo or Boysen Reservoirs, the flood control
<br />operation is directed by the Omaha District, Corps of Engineers,
<br />Omaha, Nebraska.
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<br />Experience has proven that in a multiple-purpose system such as this,
<br />proper utilization of the available water resource can be achieved
<br />only through careful budgeting of the anticipated water supply.
<br />The technical end-product of this budgeting process is an "Annual
<br />Operating Plan." The system is operated on a water year (WY) basis.
<br />The operating plan for the system is prepared in October or November
<br />of each year following the Annual Operating Plan Review and Criteria
<br />Meeting.
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<br />Operating plans are prepared for "reasonable maximum" and "reasonable
<br />minimum" conditions of water supply and requirements, as well as for
<br />the "most probable runoff" condition. The system is operated in
<br />accordance with a plan of action to best utilize the "most probable"
<br />water supply without jeopardizing operational position should either
<br />"reasonable maximum" or "reasonable minimum" water supply conditions
<br />occur. The plan is restudied and revised from time to time during
<br />the year whenever new information or changing conditions indicate this
<br />to be desirable. Flexibility is a keynote of the plan. Computer
<br />programs were utilized by the Bureau of Reclamation to develop plans
<br />of operation and water supply forecasts.
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