<br />OC1237
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<br />ARKANSAS RIVER COMPACT
<br />
<br />ARTIOLE IV
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<br />ThiS article further recognizes that the reservoir is a llood~control as well as
<br />water-conservation facility Rnd must be operated in cooperation and conjunction
<br />with the Oorps of EngIneers, defines the relative flood control and conservation
<br />storage pools, and specifically provides that it is not intended to impede or prevent
<br />future beneficial development of the river basin, so long as such future develop.,
<br />ll1ent does not materially deplete such river.basin water in usable quantity or.
<br />availability for use to. the water users of Colorado. and Kansas 130 far as their
<br />rights are established under the compact.
<br />
<br />ARTIOLE v
<br />This Is the apportionment article. In considering it one must keep in mind the
<br />fact that it was the definite intent of the commissioners that water must n'ot be
<br />wasted and. that there must be a fiexibiUty and availability in use for water users
<br />in both States and that such requirements will not necessarily arise at the 'same
<br />time, dependent on weather conditions in different areas. Furthermore, it must
<br />not be overlooked that the principal beneficial purpose of the reservoir is to con-
<br />serve water which previOUSly has been unusable and wasted because of lack of a
<br />storage facili ty ,in which to conserve it for future use. This article and the com..
<br />pact in general also recognizes that p~ogressive siltation will occur in the reser~
<br />voir, and it is so written that neither State will beai' more than .us proportionate
<br />share of such loss of storage capacity.
<br />The general principle of this compact is the divisioQ of the benefits of the reser-
<br />voir storage on the basis of the maximum rates of fiow, 750 Cubic feet per second
<br />or 60 percent to Colorado and 500 cubic feet pel' second or 40 percent to Kansas, out
<br />of available storage ,water in the reservoir, with Colorado having the substantial
<br />advantage of using all accretions and return flow at the State Une to make up
<br />Kansas' 40 pel;cent share at the State'Une. In other words, if Kansas called for
<br />500 cubic feet per second of release of stored water and there was 250 cubic feet
<br />per second of other water crossing the State lIne, then only a sufficient flow neces~
<br />sary to develop a flow of 500 cubic feet per second need be released .from the
<br />reservoir. Thus, if each, State continued to call for their maximum releases at
<br />the same time, Colorado wo.uld always have the advantage of such return flow and
<br />accretions at the State line, which would result in the actual division of the water
<br />in the reservoir being much more than 60 percent to Oolorado and much less than
<br />40 percent to Kansas.
<br />The oPeration of the reservoir is divided into two general periods, namely
<br />(1) winter storage from November 1 to March 81, when all water entering the
<br />reservoir shall be stored up to conservation capacity limit, except that Colorado
<br />may call for up to 100 cubic feet per second limited to river flow entering the
<br />reservoir, for stock-pond and other winter uses, and (2) summer storage from
<br />. April 1 to October 81, ~hen all water entering the reservoir up to conser.vation
<br />capacity limit shall be stored: Provideit, however, That if volume of river flow is
<br />sufficient, Colorado can call for 'the release of the fl'rst 500 cubic feet per second of
<br />such Fiver flow and Kansas can call up for the release of water equivalent to that_
<br />portion of such river flow between 500 cubic f~et per second and 750 cubic .feet
<br />per second whether Colorado calls for any or all of her 500 cubic feet per second.
<br />In other words, Colorado gets the first 500 cubic feet per second, but Kansas is
<br />limited to what river flow may be available in excess of Colorado's maximum, but'
<br />in no event more than 250 cubic feet per second. In such cases Colorado again
<br />has the decided advantage of using the accretions and return flow at the State
<br />line to make up Kansas' share of such river flow.
<br />Releases of stored water, referred to above, are limited to the summer storage
<br />period. April I to October 81. .
<br />Releases under the terms'of the compact, except when all Colorado water users
<br />are operating under decreed priorities, as hereinafter mentioned, shall not impose
<br />any _call on Colorado water users that divert from the river above the reservoir.
<br />Releases of 8:11 kinds can be made by the States separately or concurrently. Ben~
<br />ficial use of released waters is demanded, and waste is prohibited. Allowance Is
<br />made for intervals of time in the flow of released water. There shall be no allow-
<br />ance or accumulation of credits or debits for or against either State.
<br />This article further recognizes that when there is water in storage in the reser-
<br />voir and available for use, Oolorado shall not administer diversions on a decreed
<br />priority basis, but that users above the reservoir may_ divert without regard to
<br />the decreed priorities in Oolorado below the reservoir and at the same time the
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