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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />002698 <br /> <br />2. Water Source <br /> <br />The drainage area of the White River above the Taylor Draw <br />Dam site is 2,450 square miles. Most of the flow in the White River <br />is from snowmelt in the higher portions of the drainage basin, while <br />a smaller percentage of the flow is from springs which in turn are <br />probably recharged largely from snowmelt. The total flow in the White <br />River resulting from rain showers or rain storms is very small in <br />comparison to snowmelt and flow from springs. Flash floods from heavy <br />downpours carry large quantities of sediment into the river. The <br />normal pattern of stream flow in the river is for low flows to occur <br />during the late summer, fall, and winter months and peak flows from <br />the snowmelt to occur during late spring and early summer (1) (see <br />Table 2), <br /> <br />The nearest United States Geological Survey (USGS) stream <br />flow gaging stations on the White River are above Rangely at the pro- <br />posed dam site and near Watson, Utah, about 30 miles below the dam <br />site, The gaging station at the dam site was placed in operation in <br />April 1972. The gaging station near Watson, commonly referred to as <br />the "State L1neGage", has been in continuous operation since April <br />1923. <br /> <br />At Watson, Utah, the average annual discharge for 53 years <br />of record is 502,100 AF or 693 cfs. The average annual discharge <br />above Rangely since 1972 is 454,226 AF per year or 627 cfs, At <br />Watson, the minimum historic rate of flow was 11 cfs on December 6, <br />1972, during freeze up and the maximum rate was 8,160 cfs on July 15, <br />1929, <br /> <br />II-18 <br />