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-33- <br />Effluent Maximum Meeker Mine Seepage <br />Characteristics allowance (fan house) <br />Iron, total 7.0 0.51 <br />Manganese, total 4.0 <.O1 <br />Total suspended Solids 70.0 13 <br />pH 6.0-9.0 8.3 <br />As discussed above, mine drainage will be controlled by two settling <br />ponds immediately downstream from the mine area. The exact location and size <br />of these retention ponds will depend on more specific engineering and site <br />data; however, preliminary locations for two ponds are shown in Plate 1. By <br />law, effluent limitations guidelines and standards of performance must be deter- <br />mined in accordance with recent regulations established by the Colorado Depart- <br />ment of Health, Water Quality Control Commission. Appropriate permits will also <br />be required to meet the State 4Jater Quality standards. <br />G. OPERATIONAL HYDROLOGY <br />A continuing program of hydrologic monitoring is proposed for the Rienau <br />Mine. These studies will prgvide valuable engineering data for water quality <br />management and planning in connection with the mining operation. Surface water <br />sources well above mined areas have often been linked with major mine disasters. <br />Accordingly, as surface water data become available, it is proposed that this <br />information be routinely analyzed in conjunction with engineering geologic <br />factors (Dunrud, 1976) with the objective of determining if these sources are <br />being affected by mining activities. <br />1. 4Jatcr Rescurce <br />t Up-to-date surface information on water sources such as seeps, springs, <br />ponds, and streams (Figure 2) will be important in future mining operations. <br />Routine inventories of all surface waters and wells within a 2-mile radius of <br />the mine should be continued. <br />