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Chapter IV <br /> 9. Mine Drainage Treatment System <br /> Mine water drains from the rock tunnel and is routed to the 016 <br /> ponds for treatment and/or through an underground pipeline which <br /> extends to the water treatment plant which is located in the coal <br /> preparation plant. The water treatment plant removes solids <br /> through mechanical and chemical means, and the mine water flows <br /> through a pipe extending from the plant to the 020 pond for further <br /> settling prior to discharge to Coal Creek through Outfall 020. <br /> The 001 ponds series is also used, on an as necessary basis, for <br /> treatment of mine water, and flows can be managed among the 016, <br /> 001 and 020 ponds and/or in conjunction with the water treatment <br /> system. Solids removed in the water treatment system are conveyed <br /> to the approved refuse disposal area (Sutey pile) and disposed. <br /> Page 25(A) <br />