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. since no down-gradient water rights will be effected. As previously <br />discussed, flow pattern alterations will be localized and temporary and <br />any alteration which may occur will be confined to the upper portion of <br />the groundwater basin with little probable impact on either down-gradient <br />portions of the groundwater basin or surface discharge zones. <br />Creation of a perched groundwater reservoir within the Southfield Mine <br />workings upon completion of mining and abandonment will not result in any <br />significant adverse impacts on the quantity or availability of <br />groundwater. Vertical seepage through subsidence fractures may result in <br />some short term reduction in the amount of groundwater available in <br />abandoned mine workings in the Vento Seam. However, there is no current <br />beneficial usage of these groundwater resources. As the Southfield Mine <br />workings fill with water there may also be some reduction in down- <br />gradient flow volumes in the stratigraphic interval mined. However, any <br />reduction is expected to be minimal due to limited permeability. <br />• Availability of groundwater resources in a perched reservoir at a known <br />depth and location would appear to be preferable from a potential water <br />use standpoint to disseminated water resources with low potential yields <br />within the natural strata. <br />Southfield's ongoing mining, processing, and related activities are not <br />expected to have any significant effect on recharge, storage, or discharge <br />relationships other than those specifically discussed in the preceding <br />sections. As described in Section 2.04.7, Hydrology Information, recharge <br />within the groundwater basin occurs primarily along the outcrop of the <br />various stratigraphic units as a result of direct precipitation and <br />infiltration from ephemeral drainages crossing outcrop areas. <br />Supplemental recharge may occur along the Wet Mountain fault and the <br />exposed margins of adjacent upturned sedimentary units. EFCI's operations <br />are both limited in areal extent and are not located within any major <br />recharge area. Groundwater storage relationships will not be effected, <br />other than with respect to localized and temporary reductions in the <br />piezometric surface, an6 establishment To77owing Yne completion o'{ mining <br />and abandonment, of a perched groundwater reservoir within the Southfield <br />Mine workings. Discharge relationships will also be minimally effected <br />2.05.6-34 <br />