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<br />fYj <br />c.o <br />t'- <br />C'J <br /> <br />. <br /> <br />- <br /> <br />. <br /> <br />'- <br /> <br />. <br /> <br />-" <br /> <br />. <br /> <br />. <br /> <br />1-;1 <br /> <br />flows 1s a thing of the past. <br /> <br />Once the syst.em h filled, even a normal runoff <br /> <br />yoar eould require flood control relaas.s from Hoover Da.. <br /> <br />An abovft-normal runoff year could produce dama~ln9 flows. <br /> <br /> <br />What would be a dAmaging flow today? ~entY-fiv. <br /> <br />thousand (25,000) cubic-fee-per-second would inflict. 80me <br /> <br />damaqe on development along the tower Colorado River. <br /> <br />However, damaqe from such flows would be t.o low-lyinq <br /> <br />farmland. and to piers, dooks, dikes and beach.s located right. <br />! <br /> <br />,; <br /> <br />on tn. River. <br /> <br />Under the curr~nt operat.ion plan for Hoover Dam, <br /> <br />rele.... in excsas of twenty-eiqht thousand (28,000) <br /> <br />CubiQ-feet.-per-second could be expected on an averaqe of <br /> <br />o~ce in about ten (10) to fifteen (15) y..ra. Aside from <br /> <br />aome farmland, recreation and wildlife pres.rge areas, t~e <br />. <br /> <br />r&ach most vulner.ble to flood damages is the Parker Strip <br /> <br />riverfront area below Parker DAm. O.mages from a flow of <br /> <br />twenty-eight thousand (28,000) cubic-feet-per~..cond through <br /> <br />here would be an estimat.ed one hundred. and fifty thous.nd <br /> <br />($150,000) dollars. Damaqe. would increase steadily with <br /> <br />increased flow. Thirty-ei9ht thousand (30,000) cubic-feet- <br /> <br />per-.econd would cau.e over four hundred t.hou.and ($400,000) <br /> <br />dollars dlUllAl1e. 1l108tly to residential property. An event <br /> <br />of this aia., r.sult1nq entirely from Hoover Dam r.l....., <br /> <br />would occur on the aver.98 ot once in one hundred <br /> <br />and eighty I <br />n '" J <br /> <br />I <br /> <br />:~__.~-,-I, <br />