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Hydrology Study Team Formed On January 16, Reclamation an- nounced the formation of a hydrology ~tudy learn for the evaluation (If exist- ing Reclamation Platle Ri\'cr Projects and scheduled the fitslleam meeting for February 12 and 13. This team of technical specialists .....;11 prmiJc input and support of hydrology .....ork thaI is coru;idcrcd KC)'IO anaJ)7ing the ef. feels of facility opt:ration on threatened and endangered species. Hydwlogy learn leader Duane Woodward ~id Reclamation plans to develop prcdicti..,c monthly waler operation studies (or the North Pblle. Soulh Plaue and Platte Rivers that can be u~d 10 anal)7.c changes in Oows and habitat .."alues in the riverine em-ironment. The plans for developing operation study analysis include updating and'or modifying ex. isting analysis. Reclamation has re\icwed the North Platte River Simulation Model developed by the Wyoming Water Dn-elopment Com- mir.sion and is in the linal stages of purcha....ing the model for develop- ment and u.-.e by the team. The pur~ of the hydrology study team is to provide technical input and as.....ist in developing a hydrologic analysis that ha.c; a ....ide basis of underslanding and accept- ability among the various intcrcst groups. The tcchnical input, for ex- ample, may include hydrologic data, new or improo.'Cd methods for an analysis., or definition of exi....ting waler resource uses. The hydrology team ""ill ha\'C the opportunity to re\iew ami become familiar with exi.!.t- ing analy!.is, proo.ide input to de\'elop- ing the hydrologic analysis, and comment on the ....Titeups for the developed analysis. Hydrology Study Team Meeting The fint meeting of the Hydrology StudvTeam was February 12 and 13, atth~ North PlaHe River Projects Of- fice in Mills, Wyoming. The learn is . . There aft' 30 indil'idllaJs , representinK sel'era[ Q~ncies and illlerest grollpS, par- ticiputingon the I~rdrol~' Study Team. prescntly comprised of 30 indi\iduals representing several federal and state agencies. con.!.ervation and wildlife or- ganil'..ations, and watcr users (see list of ~tudy participants on follo""ing page). The hydrology sludy team re..iewed and became familiar ....ith the currenl operations and wall'r ac- counling requirement for the North Plane pruje(;ts. There wa<; consider- able discu.....c;ion and agreement con- cerning the need for developing an llpcration modclthat ....ill have the Ocxibility to evaluate a ....ide array of operational alternatives. The team decided that the model should; I) simulate present reservoir opera- tions. 2) have nexihility to set changes in resc('mir operations, J) make diver. sions for prescnt water u.-.es from the river according to .....ater rig.hl priority and decree allocations, ~) utilize in. noW'S and gains thai reOeet present basin development, and 5) use a ground....ater rcturn now function that changes ""ith surface ....ater dcli...eric..... The team also discu~..cd the pO!io.sil:>1c nced for a daily operation analysis and the prescnt condition channel m(1(- phology analysis. Prior (0 the ncxt stuu\-tcam meel- ing, Reclamation will de~-clop the ofll,'ration slUuy peril>U. analp-t' in. 00\'\'"5 and g.3ins to detcrmine prescnt .....ater supply conJilions, and linalizc purchase of the North Plauc River Simulation Model and distribute user manuals to the study team. These items ""ill be disc~d at the next hydrology study team meeting set for May 22. 1991 in Denver. CO. Questions and Comments The c\'aluation to determinc iflhe operations of Reclamation facilities in the Plaue River Ba...in arc in com- pliance ....ith the Endangered Species Act is I:>cing led by (he North PiaUI.' River Projects Office. Any questions or comments regarding the evaluation should be directed 10: Slud~ Managrr Ddllolz North PlaUe Rhrr Projt"('ts P.O. 8m. 16.'0 ~1ills W'f "16-1~-I6.'O (307) 261-569.' -(lr- Prujt"l'1 ~Ianager John II. LaMson l"lorth Platte Ri'er Projt"('ts P.O. ROll. 16.'0 .\liII!> WY 826-14.16..'0 (.'07) 261.5ti71