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J J) - -, I 1;1 '! Nebr:lska, ,-nd at :Jarf$ville. tansas. lath the exception of HCl.stings and York, strea~flo~s a~ these points are presently ade~uate to assi~i- late waste$. Hastings Is located near the e:r.trcrne edge of the cr<lina~E> basin and there is no feasible way of providing additional flou for (a::'':..:t~on p1.orposes in that location. The ....ate:- quality problerr. at York coul~ :e alleviated by releases from a reSe~vo~r ~?stream on Beaver C~eek. Cur:=-ect aiSC>Jssior.s \-'~th representatives 0: the niPCl-I indicate a justifiable need In the Kansas River for add~tioc.al flows to dilute ,increasing industrial pollution. It appears that storage in the Big ~nd Little Blue River basins could be justified for water quality control. d. Other problems. Preliminary stud~es have disclosed that no great need exists for bank stab~lization in the Big Llue r.lver basin. lnvestiga~ions also indicate that providing additional flows for navigation in the lo\..er rassouri and l'lississippi Rivers would not be feasible at this time. l'Iater based recreational opportunities in the region are not adequate to serve increasing needs. While the Tuttle Creek Reservoir provides much needed relief, additional facil- ities will be necessary to meet the a~ticipated continued increase in demand for water based recreation. 6. In formulating a plan for water resources developffient in the Big Blue River basin, flood control and the potential of damsites to develop sustained yields during critical drouth periods were con- sidered to be of primary importance. At the beginning of investiga- tions, about 21 indi~ldual sl~es ~ere Belec~ed for study. Field reconnaissance plus increasingly detailed economic evaluations have reduced that number to 7 sites currently under scrut1ny. Of these 5 are the same as, or reasonably close to, those studied by the Bureau of Reclamation: namely, Angus, Seward View, Surprise, Shestay., and Beaver Crossing. T~e A.TCA studies indiCate a local need for water quality control at York. Nebraska. This need could be served by the potential York Reservoir upstream on Beaver Creek. The other site under detailed study is the l~aterville Reservoir near Waterville, Kansas, on the Little Blue River. This reservoir could control a substantial area above the Tuttle Creek Reservoir and ~oulci be very effective as a flood control reservoir by providing backup stonge. It would also be higbly effective for conservation purposes. Since the chief source of benefits 1s from flood control, much of which stems from Tuttle Creek Reservoir backup. the addition or deletion of a reservoir from the system could affect the econoI!lic justification of other unl~s In the system. 7. Present studies indicate that all reservoirs currently under consideration, except the York Reservoir and possibly tbe Angus or Waterville Reservoir. may be included in final recorr.mendations. Ho'~- ever, the final apportiooI!lent of storage vol~es bet~een plan eleeents will depend on even more detailed econc~ic studies. These studies will be directed to defining the optimum plan, based on maximization of net benefits for servln~ all identifiable ~ater resources needed. Of con- siderable importance in these studies will be the physical site 5