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<br />TABLE S.4 <br /> <br />JOINT-USE RESERVOIR ALTERNATIVES AND <br />COMPARATIVE UNIT COST OF YIELD <br /> <br /> FIRM TOTAL 2) UNIT <br /> RESERVOIR ANNUA~ COST COST OF <br />JOINT-USE CAPACITY YIELD 1 PER YEAR YIELD 3) <br />RESERVOIR (af) (af/yr) ($1,000,000) ($/af) <br />Wolford Mountain A' 120,000 40,000 7.1 $180 <br />wfColo. diversion 120,000 49,000 10.4 210 <br />Wolford Mountain C 60,000 25,000 3.9 160 <br />Red Mountain 140,000 56,000 14.2 250 <br />Azure 85,000 48,000 12.3 260 <br />, <br /> <br />-' <br /> <br />......J <br /> <br />1) Firm annual yield is defined as the quantity of water that can be supplied every year without <br />any shortage during the study period of 1951 through 1983. Demands on the Joint-Use <br />Reservoirs are based on a high future-level of water development, without pumpback to <br />Dillon Reservoir from Green Mountain Reservoir. <br /> <br />2) <br /> <br />Total cost per year is the sum of yearly debt service, average electrical power and other <br />operating costs from Table 5.3. <br /> <br />3) <br /> <br />Estimated cost per acre-foot of firm reservoir yield during a year of average operating costs. <br /> <br />........ <br /> <br />Both the conveyance system cost and the costs of selected Replacement Reservoirs must be <br />combined to indicate the total cost of additional water made available at Dillon Reservoir. This is <br />presented in Table 5.5. The Exchange Project Yield is the increased average annual yield to the <br />Roberts Tunnel Collection System which results from operation of the pumpback with the <br />Conveyance System and the Replacement Reservoir(s). <br /> <br />........ <br /> <br />10 <br />