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<br />. <br /> <br />AGENDA ITEM Ib <br />SPECIAL BOARD MEETING <br />December 13, 1995 <br />ATTACHMENT I <br />KI;:Y DECISION ISSUES <br />Y AMPA RIVER <br /> <br />Q\\E. ~- <br /> <br />rr~ 913 - \ y/tVV <br />tt I I -1 'd..5 - <br /> <br />1. Base Flow Amounts: <br />Are the amounts acceptable? Staff recommends changing some of the Yampa base <br />flows to more closely resemble the hydrograph as deflned by the adjustedflows shown in <br />the physical water availability study. Typically, the Service's recommended base flaws <br />during The non-nmoffmollths are at the 800/0 exceedance levels or greaTer as defined by <br />Ihe Board's piJYSlcaJ water avai/ability study (meaning thO! today water is in the stream <br />ar these flow rares at least 80% of the time or more). Our suggested changes are aimed <br />ar mimicking a natural hydrograph that will be present 90-95% of rhe time since the <br />Service has indicated they may choose not to augment winter base flows. However, the <br />antaunrs in rhe final notice may be acceptable for filing purposes given that they could <br />be adjusted downward as the Carve Out is distributed. <br /> <br /> Oct. NtH" Dee. Jan. Feb. Mar. Apr. May Jun. Jul. Jul. Aug, Sep. <br /> 1-t5 16-31 <br /> FWS 88 17. 157 187 <<1 305 all all all all all 1<5 45 <br /> Base flow flow flow flow flow <br /> Flow <br /> Final 88 t71 157 187 2<1 305 3<5 3.5 325 175 t75 1<5 45 <br />. Notice <br />Staff 88 157 115 115 180 305 3.5 3.5 3.5 175 175 80 55 <br /> Rec. <br /> <br />2. Recoverv Flow Amounts: <br />Should the Recovery Flow be a numeric value as described in the Final Notice or <br />for the flows remaining after the Carve Out is in full use? This is the most <br />controversial part of the application; staff recommends that the Board adopt the larer <br />approach which has been described in various forms (e.g. "the stream flow remaining <br />after humans have totally consumed rhe Carve Our" or "Flows remaining after the <br />Carve Our is fully developed"). If the Board chooses numeric values. terms and <br />condirions which reflect a frequency of enforcement consistent with the Service's <br />recommendations will need to be developed. <br />How should administration be accomplished? Staff recommends that this be <br />negotiated during water court proceedings. <br />Do not call for right if such could cause flooding. Staff recommends that this <br />condition be negotiated during water court proceedings. The Service would like to see <br />some flooded bottom lands, but, the Board staff is concerned that such action not result <br />in any property damage. <br /> <br />3. <br /> <br />Carve Out: <br />Are the amonnts acceptable? A annual Carve Out of 52,000 acre feet appears to be <br />acceptable and staff recommends that an annual Carve Out in this amount be provided <br />for. <br /> <br />. <br /> <br />1 <br />