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<br />" <br /> <br />115 'i <br />The Fort Morgan Canal outlet works, capable of releasing 350 ft3js <br />at a minimum water surface of 4351 feet, is included to continue <br />service to the existing Fort Morgan Canal. A water supply for the fish <br />hatchery downstream from the dam will be provided by seepage from toe <br />drains, wells, or direct supply from the reservoir. Monitoring of <br />qual i ty and temperatures wi 11 be necessary to insure a sui tab 1 e water <br />supply. <br /> <br />STORM AND FLOOD STUDIES <br /> <br />There are two est imates of the probab 1 e max imum flood. The recent <br />(1982) estimate of a probable maximum flood, which is critical with <br />respect to the peak discharge, was developed to properly evaluate the <br />effect s of a storm centered immed i ate 1 y upstream of the Narrows d am- <br />site. This flood has a peak flow of 599,200 ft3js and a 20-day <br />volume of 1,424,000 acre-feet. <br /> <br />The August 1975 probable maximum flood study, which is critical with <br />respect to volume, has a peak flow of 497,000 ft3js and a 20-day <br />volume of 2,230,000 acre-feet. This flood resulted from a more general <br />storm centered over the Front Range area of the South Platte River Basin <br />during the snowmelt season. This flood was used in the design of the <br />dam. <br /> <br />Either probable maximum flood could occur in the early to late spring <br />when it woul d be reasonab 1 e to expect the reservoi r conserv at i on pool <br />to be full. <br /> <br />11 <br />