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<br />.-'-- <br /> <br />I <br />~ <br />~ <br />11:-- <br />l. <br />" <br />I .' <br /> <br />1 <br />~--." <br /> <br />1 ~ .}'~'~ <br />,OJ~' <br /> <br />Chapter-r-rI~ -- <br /> <br />Avorage annual flood damage <br /> <br />Averago annual flood damages on the Arkansas River botween the <br />Pueblo Damsite and John Vartin Reservoir were arrived at by dGtormining <br />the total flood damages in that reaoh of th~ Arknnsas Valley and sub- <br />tracting thG dalTElges from floods on tributary str~OlllS. T:lO romainder <br />is the damage resulting diroctly from floods due to the Arkansas River. <br />Tho damages are based on present valley development and 1939-44 ,prices. <br />Details of this prooedure and tho resultant damages are disoussed in <br />the following paragraphs. <br /> <br />Table 5 was used as the basis for plotting the stage-damago curve <br />of flood damages in the Arkansas Valley between Pueblo Damsitc al~ John <br />I~rtin Reservoir, as shown on exhibit 7. <br /> <br />Table 5.--Flood damage in Arkansas Vall~y: <br />'Pueblo DNnsite to John ~J"rti n Ressrvoir <br /> <br />Flood ,peaks <br />(sec. -ft.) <br />100,000. <br />75,000. <br />50,000. <br />45,000. <br />30,000. <br />10,000. <br /> <br />aj Includes ~20,OOO,000 damage <br />~ Includes $4,000,000 damage <br /> <br />. <br /> <br />DDJllllge <br />(dollars) <br />. u/35,000,000 <br />D:/33,OOO,000 <br />8:/28,000,000 <br />'0/11,000,000 <br />- 3,000,000 <br />10 ,000 <br /> <br />; <br /> <br />in Pueblo. <br />in Puoblo. <br /> <br />At 45,000 second-feet discharge the City of Pueblo would be damaged <br />to the extent of about S4,000,000. At 50,000 seoond-feet disoharge it <br />is estimated that tho City of Pueblo would bo subject to ,$20,000,000 <br />damage. This damage would be possible because tho valley has been con- <br />stricted by construction of tho existing floodway and by tho filling of <br />the old river channel which was capable of discharging 40,000 second- <br />feet. <br /> <br />Since the 1921 flood several structuros have been built in tho <br />flood plain. These struotures together with the increased property <br />valuations more than compensate for structures permanently destroyed and <br />not replaced. <br /> <br />Flood damages from the mouth of the Fountain River to John Martin <br />. <br />Reservoir, based on past floods, are listed in table 6. <br /> <br />-' <br /> <br />12 <br />