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<br />The Operator has a current NPDES permit. The original permit CO- <br />0036935 was granted to a prior operator in July of 1980. The <br />mine site is currently covered under Colorado's general discharge <br />permit system which authorizes discharges that consist entirely <br />of precipitation induced surface run-off. A copy of the permit, <br />Number COG-850020, is included in Figure 2.04.7(2)(b)-7. <br />13) Alternate Water Supply Information <br />In reference to Section 2.04.7(1), it is again noted that wells <br />in the vicinity of the mine will not be affected by the mining <br />operation. This statement is further reinforced by the fact that <br />mining at the Red Canyon Mine ceased in 1984, over six years ago, <br />and none of the wells in the vicinity of the mine are known to <br />have been affected by the abandoned underground workings. <br />If any of the registered wells utilizing the alluvial aquifer, as <br />a source of potable water, including the Carson Well, are inter- <br />rupted by the mining operations of the Red Canyon #1 Mine, the <br />• Operator will provide an alternate source of potable water, <br />namely the Coalby Domestic Water System, for these persons. The <br />system has approximately 88 taps in service and is capable of <br />handling 62 more taps with the present water source (Archie <br />Peterson 4/30/91, former Coalby Domestic Water System board <br />member). The Operator has one tap 8~ near its Red Canyon Mine. <br />Most if not all, of the residents within and adjacent to the per- <br />mit area of the Red Canyon #1 Mine already utilize the Coalby <br />Domestic Water System as their source of potable water. Thus, <br />the system is compatible with the water use of the residents. <br />The system uses a series of springs on the side of Grand Mesa <br />which have. no chance of disturbance by the Operator. <br />As discussed in the September 1981 Hydrology and Alluvial Valley <br />Floor Report, Red Canyon Mines compiled by Kaman Tempo, little <br />affect is anticipated on the Williams Creek - Ward Creek drainage <br />(page 62 Streamflow Depletion Associated with Mining). In the <br />64 <br />Rev. May 17, 1991 <br />