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<br />MR-203 2.05 - 114 01/20 <br />(b)(i) A plan for control of surface and ground water drainage. <br /> <br />As explained in (a)(i) above, six sedimentation ponds have been constructed <br />to control surface water drainage through the surface facilities area. Other <br />surface drainage from the permit and adjacent areas is allowed to flow <br />through ephemeral channels unimpeded by the mining operation. In addition, <br />the Operator will install half culverts to provide supplemental sedimentation <br />control for surface water runoff, which is in addition to sediment ponds. <br />Ground water drainage concerns are isolated to potential mine discharge. <br />This ground water drainage, if any, will be treated in underground sumps and <br />discharged to the surface in accordance with NPDES permit requirements. <br /> <br />(b)(ii) A plan for treatment and for surface and ground water drainage. <br /> <br />Surface run-off from the facilities area should not require treatment, other <br />than detention time provided by the sedimentation control ponds or treatment <br />with alternative sedimentation control. Mine discharge will be treated in <br />underground sumps if required.