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<br />C --~~- average, made -:~-Of -q:~ti ties ~i-~h in - :ol11e months and yea~s e.r~~:exc-e~~-----
<br />of assumed completed storage capacity of the irrigation pool. Tlhile such ex-
<br />oess volumes may be controlled, by storage in the flood pool, to ,prevent or
<br />reduce darr.ages from floods originating upstream to lands and property along
<br />the river cha~el dCYlnstream, they cannot be impounded or stored in the irri-
<br />gation pool, nor be regulated or conserved therein for irrigation purposes.
<br />Are such excess stree.mflO'lfs properly included in quantities termed "available
<br />f'or storage?" Colerado notes that, in later calculations by 'Kansas,' flood
<br />pool spills (as well as evaporation losses) have been deducted from the "water
<br />available for storage" to arrive at so-called "amounts of usable water." Colo-
<br />rado'suggests that the calculated 190,000 acre feet of so-called "water avail-
<br />able for storage," if diminished by flood pool spills, might be said to repre-
<br />sent the streamflows availahle for storage, and, if further diminished by
<br />evaporation losses. to represent the water supplies availabls for release fram
<br />storage, provided that suoh quantities, in both instancss, be recognized as
<br />being exclusive of: "Caddoa flows heretofore used in' Colorado," but inclusive
<br />of "Caddoa floVls heretofore used in Kansas," both of whioh ars available for
<br />storage'for purposes of regulation.
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<br />15. Though included by Kwsas in the so-c,,-lled "water ",vailable for
<br />storage" and "amounts of usa:,le water," the Caddoa flows' heretofore used in
<br />Kocosas were ignored, or not esti~ted, in the document submitted for study
<br />and discussion. To arrive at the amounts of "new water" attributable to
<br />Caddoa reservoir operations, under the plan of operation assumed'by Kansas.
<br />the Caddo a fl~ws heretofore used in Kansas must be calculated or estimated.
<br />Total Stateline flows, averaging 260,700 acre feet annually, were segreg~ted
<br />by Kansasl 190,000 acre feet, or 73%, river flo~ passing Caddoa, and 70,700
<br />aore feet, cr 27%, net aocretions belm? Lamar. Total uses of State line flews
<br />in Kansas are indicated by the difference between 260,700 acre feet passing
<br />the Stateline and 171,000 acre feet passing Gardsn City, - a difference of
<br />89,700 acre feet, which inclUdes ditch diversiOns, estimated at 84,900 aore
<br />feet, as well as channel ccnveyance losses and riv:er water used from ',-rells
<br />by pumping. Segregoting the uses in Kansas in the same prcportions in which
<br />Stateline flows were segreg~ted by Kansas, the 89,700 acre feet of total use
<br />would consist of 24,200 acre feet frem net accretions below Le.mar. and 65.500
<br />aore feet from river flow passing Caddoa.
<br />
<br />16. To arrive at amounts of so-called "nmv water," the Caddoa flo'~ here-
<br />tofore used in Kansas must be deduoted from the so-called "amounts of usable
<br />water," as follows.
<br />
<br />"Ar.1ount s ,of Usable i1ater"
<br />Less "Caddoa Flows heretofore
<br />used in Kans"s" ,"
<br />Estimated amounts of So-edlled
<br />"New_vre.t~rn _'"~_ _~_ _ _____
<br />
<br /> Exbension of Kansas Studie s
<br />1 and 2 _l_ 4
<br />-..-- --~-
<br />121,000 137,000 153,000
<br /> 65,500 65.500 ~!500
<br /> 55,500 -71,500 -- 87.500
<br />
<br />17. The showings of Studies 3 and 4. as compnred'with Study 2. as s~~-
<br />marized by Kansas, are to the effsct that greater "demands on the reservoir,"
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