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2.04.5(1) <br />from the alluvium will be adequate to serve all wells in the area <br />for their present uses, needs and registered amounts of water. <br />Since the mining could primarily affect the alluvial. water near ~. <br />the subcrop areas, the only predictable affect on water quality <br />would be associated with the same water. However, the subcrop <br />will not be mined. Induced recharge from the alluvial material <br />into the coal seam will improve the water quality being produced <br />in mine. This better quality water will be disposed of by pumping <br />operations within the mine. The discharge water from the mine, <br />therefore, will be of higher quality than if the water contained within <br />within the present coal seams were discharged without dilution. Water <br />quality within the alluvial aquifers, both up gradient from the subcrop <br />area, will not be adversely affected because the amount of alluvial <br />water which is anticipated to be withdrawn is relatively small, and <br />the direct recharge capacity of the surface streams into the alluvium <br />is high. <br /> <br />In summary, the quantitative and qualitative affects of mining <br />the "D" and "E" coal seams in this area will he minimal. Affects <br />on the water quantity and quality available to wells from the "D" <br />and "E" coal seams will not be serious because: <br />1. Present poor quality water contained within the coal seam. <br />2. Prohibitive depth at which the coal seams exist below the <br />area to the north. <br />3. The quantity of water available from these coal seams <br />is not of significant magnitude to make them feasible <br />for high capacity water supply. <br /> <br />REVISED May 8, 1981 <br />49 <br /> <br />