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also due to the fact that no mixing of surface drainage with <br />a discharge from underground workings will occur. The small <br />• areas to be exempted are specified on Drawing 5-019, Map <br />EB-3255, and Appendix B (4.05.2(3)(b)(i)). <br />B. Diversions and Conveyance of Overland Flow <br />Specific drainage control plans are presented in Appendix B. <br />Ditch locations are shown on Map E8-3255, and Drawing 5-019. <br />C. Stream Channel Diversions <br />The Division has approved the diversion of an intermittent <br />stream (Elk Creek). This decision is based on a finding that <br />the proposed diversion meets the requirements of 4.05.18 and <br />4.05.4, applicable local, State, and Federal statutes and <br />regulations and that the diversion is designed to safeguard <br />public safety and to minimize adverse impacts to the <br />hydrologic balance (4.05.4(1) and (4)). <br />D. Sedimentation Ponds <br />1. Disturbed areas in the Elk Creek yard are treated by 13 <br />sediment ponds. The Division approved a revision (Technical <br />Revision OS> to restructure the sediment control system. <br />These activities involve removal of 11 ponds and enlargement <br />of Pond No. 11 and Pond No. 12. The Hubbard Creek Pond and <br />• East Yard Pond both remain intact. One additional pond is <br />approved for treatment of underground discharge from the <br />Sanborn Creek Mine. Specific plans are found within Appendix <br />B of the permit document. All ponds are designed in <br />compliance with Rule 4.05.6. <br />E. Acid-forming and Toxic-forming Spoil <br />There is no evidence of acid- or toxic-forming material at <br />this site. <br />F. Impoundments <br />Refer to Section D, Sedimentation Ponds, above. <br />G. Surface and Ground Water Monitoring <br />The applicant will conduct monitoring of ground water in a <br />manner approved by the Division. The ground water monitoring <br />plan is specified on Page 2.04-46i of the permit document <br />(4.05.13(1)). <br />2. The applicant will conduct monitoring of surface water in a <br />manner approved by the Division. The monitoring plan was <br />submitted under 2.05.6(3)(b)(iv) and as specified on page <br />2.04-46i of the permit document (4.05.13(2)). <br />• <br />_12_ <br />