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Revised April, 1984 <br />Surface Water Drainage Systems: Water Quantity <br />Streamflw characteristics of the intermittent and perennial <br />drainages in the proposed permit area have been continuously <br />monitored by CYCC and the IISGS for several years. The records from <br />two stream gaging stations on Foidel and Middle, Creeks are <br />su®arized in Table 27, DSGS Stream Monitoring Data. The gaging <br />stations have been located on Map 4, Energy Mine No. 3 Hydrology. <br />Flw from the disturbed areas, which is tributary to the <br />intermittent and perennial streams shown on the map, occurs only in <br />response to snowmelt and heavy rainstorms. The discharge points <br />located on Nap 4, Bnergy Nine No. 3 Hydrology, are classified as <br />ephemeral with no base flw and having channel bottoms which are <br />• always above the water table. <br />Surface Water Drainage Systems: Water Quality <br />Surface eater quality in the proposed permit and adjacent area <br />is affected at the baseline level by irrigation, farming, ezisting <br />roads, and previous mining. Concentrations of major and trace <br />constituents vary greatly with the amount of flw and the Locality <br />of sampling. In general, surface water upstream from mining <br />activities is of the calcium bicarbonate type, and is alkaline, <br />moderately saline and high in suspended load. <br />As demonstrated by Skogerboe, et. al. (1979) on Trout Creek, <br />• surface eater quality in the general area is variable and depends on <br />several factors: source, intensity, and duration of runoff, <br />2.04-48a <br />