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Very little ground water was encountered during exploratory <br />drilling, and the need for consistent mine discriarge as a result of <br />inflow into the mine is not anticipated. Some depletion of surface <br />water by infiltration to the workings through natural and mine <br />caused fractures may occur, but the amount would be minor due to <br />the steep topography and low precipitation. These factors, coupled <br />with the short duration, high volume characteristics of snowmelt <br />runoff and thunderstorm runoff favor surface runoff over <br />infiltration. Some localized increase in TDS and TSS may occur as <br />a result of mining, however any increases in TDS would be <br />diminished to insignificance by dilution of East Salt Creek, and <br />TSS increases outside the permit area will be controlled by <br />sediment controls at the mine. <br />mung\ahrsumry.mem <br />