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e <br />ESPEY, HUSTON &ASSOCIATES, INC. <br />• <br />2.0 WATER RESOURCES <br />2.1 SURFACE WATER RESOURCES <br />2.1.1 Regional Surface Water Characteristics <br />Table G-1 is a summary of the regional characteristics of six watersheds <br />in the White River basin which vary from 59.4 to 762 square miles in the azea. The <br />data are representative of the streamflow characteristics in the region of the <br />Meeker Area Mines and were collected from continuously flowing streams. In <br />general, runoff is least from January through Mazch and highest in May and June. <br />Approximatelq 75 percent of the annual flow occurs during the snowmelt runoff <br />season (April through July). Rainfall that occurs during peak snowmelt can produce <br />extremely high flows. Subsequent rainfall during summer and fall does not produce <br />• significant quantities of streamflow. <br />As seen in Fig. G-1, annual runoff correlates well with average water- <br />shed elevation. Below approximately 8,000 feet msl, much of the precipitation <br />occurring as runoff is consumed by vegetation lying within the valley drainages. <br />However, at elevations below 10,000 feet, annual water yields average more than <br />1,200 acre-feet per squaze mile. <br />2.1.2 Curtis Creek Drainage Basin <br />2.1.2.1 General Chazacteristics <br />The Curtis Creek drainage basin contains at least seven watersheds <br />totaling 9.21 square miles which feed into Curtis Creek at, and adjacent to, the <br />Meeker Area Mines. Within the basin, a minimum of 30 water supply developments <br />have been identified. Almost all of these water sources aze man-made stock ponds <br />• <br />tr 2 <br />