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<br />001" ~"':
<br />
<br />
<br />Up..lreaffi ()elenlion Slruclures PnJ\'ide Flood
<br />Prlllecliun
<br />
<br />149 million a.:res wilh J.I.N n"lld prl'venlhll\ and ~rJJe
<br />slabtli/,:ltlllllstfu.:lures.
<br />Curr...nt !luud dalllagl's ll'lb5) .....l.re esllfllatl'd as the
<br />pmTlJry IJnglble lnss,:s thai ,'nuld be e'recuJ from
<br />
<br />flood u<.:..:urren.:es under CUrT,'nt e':llllolllk devehlpmenl
<br />01 Ihc !loud plJIl1 .md .....Ith l"ISIlllg phllcclt\.C wlIrb,
<br />AVer;l!!e allllUJl damJge.. re~u1tlll!! !rorn tllloJS Ihrough-
<br />l)lIt Ihe full rJl1~O: (,I plltel1llal I rcqul'nry w...rl. .....llmall.d.
<br />lIi~I"nl'JI tlllod occurrenre.. rrovu.1...d Ih... baSIS fill
<br />depth..uea-hcqu...rK)' e..lllllJles. 1'\i~Tinl! strUd\lIal llllod
<br />,'onIH,1 Im:J..Uf"'S pfonde \'arYll1!! dC!!rel'" 01 prtlll'.:!1011
<br />10 lwef J million Jd6 Jnd Il.prc......111 an JlerJge Jnnual
<br />dall1age pre\'entl'\!l cap;lOllil) ,,1' apprl"'lllalely $150
<br />million. ll"....e\,l'r. :lhOlil 14.3 1111l1i"n al'res relll:llll
<br />suh)e..:! III /loo.h_ ....,ith J residuJI Jverage:lllllual damage
<br />potl'nllal of about $95-.5 millulll. at 1'165 prl.:e I......els
<br />and .:onunlUns ,If enmullIh: uewl'lplllenl. dlstllbu[ed by
<br />\1l'i.SI1lHl RI\'\~1 Illaln stem and trlhutary arCJ~ III Ihe
<br /><'uhha"lI1" as ..!town HI t.:lhl... J I.
<br />,\s of l'JI>5. SI' ll11udplall1 IIllorm.:ltion rl.pIHIs .....ere
<br />,,:o1l1pleted alld IU nth!.'r Il'ports "crt:' bemg pre-pJre-J or
<br />LIre pelldm!!. 11"wrwr. full ......;lle- 1lI,nslnl.:turallllLlr1Jge.
<br />m...nl progrJms hLlW a.. yet n,)1 been llnple!1ll'nl...d :J~ a
<br />IllloJ dLllllage prewntion J"'VILC.
<br />
<br />Table 31 - AVERAGE ANNUAL FLOOD DAMAGES WITH CURRENT ECONOMIC DEVELOPMENT
<br />AND EXISTING PROTECTIVE WORKS, 1965
<br />
<br /> 'binS't'm >.Ii!'o..-.ouriRivcl Trihuu.ri..s AI<,as Tuu.1
<br /> An'llIgl' Annual
<br />Subbasin Flu",! An'" A"nuall)am~ Fl".,.d Area AnnuaIOamati!t's Damage,,1
<br /> ('lillion A....>:s) , (~illit)nl.totlanJ (~itliun An\,<) (\.lillinno...t1an) ('fillionOultar<1
<br />l1ppcl..II"",ourl (1,.1 '0 05 O,~ 1.5
<br />V"Uow'-'tl"e 04 I.l 0.3 (l,1I 1,1
<br />Wc'lcmUakul3 0.5 0.9 I n,1I " 2..1
<br />1'.a,rnnDakol~ 0.5 I 14 O.~ .1.3 ~.7
<br />Plarlc-~;obrara U 7.3 I 10 " 15.7
<br />MuJdk ",,-,,,un 1.0 91 ().~ 5.9 15.0
<br />I\an",,' , , 50 I " l.t,o T9.0
<br />Lower\l,,-,uuri 14 19.7 14 1.,.lI B.b
<br /> - - - -
<br />..II,-,-,,,,">>a,in 7.5 -1b.7 f',1I -1K,lI 95.5
<br />
<br />II:~du,.jH "r at-uul S.t5 m,llion ..fdo....-nslr..am. main "Icm t-cllclils ....h,,1> I>a~" ",'11>",," ""MlllleJ 10 11>.. mdwidual.uhbasins.
<br />
<br />Ero..loll i~ related d,\~I} hl fl"lIds sin,,'c da1l1a!l-c to
<br />strealll ban\,;~ JIld the formal ion of gulltes are ar.:ckraled
<br />dUflllg hlg.h-Ilow .;ondllll'llS. lIuwcn'r. bl'..:au~ '11'
<br />unst.:lhle .....ils and hallk ,h.:lfJ..:t('rMI<.:s. the l'wstOl\
<br />pH'''.l-''S IS qUlIe adl\!;" III .:rrt.:lm porll\'IlS "I tll.' bJSHl.
<br />even Juring ["w-n"w perlod-s, Slle.ull banb Jr,' hetn~
<br />eroded al'lOg m'1St .If the pfin":lpal ..tre.:lm~ Jnd on Iluny
<br />of thl" ..mailer uibu!;JfI(,s. (;ull}'I}l'e eft\SWll o.;.:urs in
<br />Jrea.. ....ith uns[ahle ~oih and po,'r v'l'g~t~th'e ,,',>ver, and
<br />i~ most S<."\'I.'re III the rnlll11~ l'l fllu~h area~. ,\ltholl~h
<br />ero~h1l1 OftCIl IS as~o'IJt...d wllh nOl1umg. III thl~ s!lld~
<br />eroSIOn ':01\1101 nl'('Js haw heen sepJrateJ Illtu gully
<br />eroSIOn and ~tr...amhal1k ~r"..I'll1.
<br />Gull~ ewslOn IS Ih.: ....IJel1in~. di.'epening. and head.
<br />i..utllng i.,1 ..mall ..Ileam ..hannels and walo:rwa).. dUl' to
<br />WJll'f l."[p,i,,". JnJ J,'':olll1lS for J Jalg,' shar,' "I 1.1IlJ
<br />uamagr III IIIl' ba"ln. S'lllle :. milll,'n a(les tll bnJ
<br />sub;.::..t III gtlll~ er"<,lol\ ha\'e hel'n mh"nh'fll'd .Il1J
<br />rSliI1lJI<,,~ "~I .:Inrlual nmn.:l.:1l) d.:llllagi.' .:IlId bnd lo!>-., haw
<br />
<br />been prep;lreu. J" shown in l.:Ihle h:' uf chapter x.
<br />Current averag.: annual dall1age.. are JboUI S 15.4 million.
<br />,wrr h:llf ,'I this o<.:.:urrlllg in the \lidJle \ltSSOUfl
<br />Suhbasin.
<br />SIIl'amban!.. eroStlHl IS a l-ulllllllll1J~ pmblell1 along
<br />111<IS[ "I tlli.' malll s[realllS and mJny lubutary real'hes.
<br />with 11.:'00 han\'; Illlk~ seri'lu~l} Jffe.:ted and JwrJ!!1.'
<br />all11ual dalll;l!-!l''' o:..tilllaleJ al SS.I lIlillt,'n. as shown in
<br />t.:lhk tJ.~ "I .:hapler .\. On I} a fl..... r\[enSlle hall\,;-
<br />,1.:Iblh/Jlioll prnj<'.:h hJ\e heen ..,m..tru.;!ed Il' date.
<br />a1th,,"~h .'l1lo:rgell.:y.type mcasures hale ho:en lllstalled
<br />by IU':JI intereST' at brrdg.., and othe, slrul'[Url'S.
<br />
<br />Municipal and Rural Domestic, Industrial.
<br />and Livestock Water Supply
<br />
<br />\Iunidpal anJ rurJ] d"llll'Sti.:. mdustflal. and live.
<br />silk'\'; .... Jtl'r ~lIrpltes rullill \11.:11 and high pllmlly u....~ of
<br />
<br />71
<br />
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