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<br />. <br /> <br />. <br /> <br />. <br /> <br />,.~.....,'1 <br />I) ~. .: _ .~ .j Explanatory Notes for Tab~e ~ <br /> <br />Column 2 Transmountain i orts above I lwilde Reservoir. Sum of the <br />histor:Lc recor ed impo s of the six transmountain di ve1"sions <br />~ocated above Idylw:l.1.de Reservoi1". Names and dre.1nage from <br />which they divert are' mentioned in the text. <br />Co~umn 3 Idylwi~de Reservoir Inflow. The in1'low is assumed the same as <br />the flow at the gaging station "Cache la Poudre Rive1" near <br />Rustic," ~ocated a short distance upstream of the damsi te. <br />This flow 1nc~udes the imports (col. 2) and reflects the <br />regulation by upstream reservoirs. FlCJ1.TS of ~957 to ~960 <br />are as recorded; ~956 flow partiaJ.1y recorded and part1a1.ly <br />conelated; and. ~947 to 1955 flows were determined by <br />conelation. <br />Co~umn 4 Gain - Idy~wild.e Dam to Rustic Diversion Dam. Tributary in1'low <br />between features as determined by: one-third x (flow at <br />Elidlorn gage minus col. 3 minus co~. 5) <br />Co~umn 5 South F01"k Runoft'. The flow at the gaging station site, "South <br />F01"k Cache la Poudre near Rustic." The flow reflects regu- <br />lation by upst1"eam reservoirs. Flows of 1957 to ~960 are as <br />recorded; ~956 flow partiaJ.1y recorded and part1a1.ly corre- <br />lated; and 1947 to ~955 flows were determined by correlation. <br />Co~umn 6 Transmountain imports to North Fork. SUII1 of the two trans- <br />mountain diversions into the North Fork Cache la Poudre. <br />Names and drainage from which they divert are mentioned in <br />the text. <br />Co~umn 7 North Fork Runoft' inc~ud1ng imports. Sum of the recorded flow <br />at gaging station 'North Fork Cache la Poudre River near <br />Livermore" and diversions of the North Poudre Canal (co~.~O). <br />AJ.though the North Poudre Canal diverts above Livermore, the <br />water diverted is considered part of the Mountain Supp~. <br />This runoft' includes the imports (co~. 6) and regulation by <br />upstream reservoirs. <br />Co~umn 8 Gain - Rustic Diversion Dam to Grey Mowrtain Reservoir. This <br />gain is the total inflow between Rustic diversion dam and. <br />Grey Mountain Reservoir and represents the water not regu- <br />lated through the power system. Sum of: (a) two-thirds x <br />(flow at Elidlorn gage minus col. 3 minus col. 5). This <br />portion of the gain includes Bennett and Elkhorn Creeks. <br />(b) The South Fork Runoff, co~. 5. (c) The North Fork <br />Runoff, co~. 7. (d) The gain from the Elkhorn gage and <br />Livermore gage to Grey Mountain Reservoir. This gain <br />equals co~. ~2 p~us co~. II minus the Elkhorn gage minus <br />the Livermore gage. <br />Co~umn 9 The Mountain Supply. The historic water supp~ availab~e at <br />Grey Mountain De.msite dift'ers slightly from the Grey <br />Mountain Reservoir inflow due to ~osses and change in <br />storage at Idy~w1lde Reservoir, (Note Table 8). <br />Co~. 9 equals col. 3 plus co~. 4 p~us co~. 8 <br />a1so co~. 9 equals co~. ~2 plus co~. II plus col.. ~O. <br />Co~umn 10 North Poudre Canal Diversions. Estimated from partia1 dive1"sion <br />records and change in content of plains 1"eservoirs served by <br />the canal with an estinated transportation loss. <br />Co~= II Total of 3 Diversions above Gage. Sum of the indicated diver- <br />sions which divert immediately above "mouth of canyon gage." <br />Oo~= 12 Recorded Flow at "mouth of canyon" Gage. The historic reco1"ded <br />flow at the gaging station uncorrected 1"01" diversions above <br />gage. <br /> <br />16 <br />