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• <br />• <br />(10) All mined material to be disposed of within the affected area must be <br />handled in such a manner so as to prevent any unauthorized release of <br />pollutants to the surface drainage system: <br />Please see Section 6.3.3(1)(i), above. <br />(11) No unauthorized release of pollutants to ground water shall occur from any <br />materials mined, handled or disposed of within the permit area: <br />Please see Section 6.3.3(1)(i), above. <br />3.1.6 Water — General Requirements: <br />(1) Hydrology and Water Quality: <br />Disturbances to the prevailing hydrologic balance shall be minimized: <br />(a) Compliance with applicable Colorado Water laws and regulations <br />governing injury to existing water rights: <br />Please see Section 6.3.3(1)(j) above <br />(b) Compliance with applicable federal and Colorado water quality laws <br />and regulations, including statewide water quality standards and site <br />specific classifications and standards adopted by the Water Quality <br />Control Commission: <br />Calais currently manages and treats one permitted mine water discharge point, which discharges <br />directly into Coon Track Creek under Colorado Department of Public Health and Environment <br />(CDPHE) Water Quality Control Division (WQCD) National Pollutant Discharge Elimination <br />System (NPDES) Permit CO- 0032751. <br />(c) Compliance with applicable federal and Colorado dredge and fill <br />requirements: <br />Wetlands on the proposed Calais Mine permit area are primarily associated with Coon Track <br />Creek, which is a narrow and well - defined channel that flows through the length of the proposed <br />permit area and drains the watershed. Coon Track Creek is a tributary of Beaver Creek, which <br />flows into Middle Boulder Creek just before Barker Reservoir. Coon Track Creek exhibits <br />steady low flows year -round beginning at the Cross Mine, with high flows during snowmelt <br />runoff. <br />Waters of the U.S., including associated wetlands, were surveyed within the proposed site <br />boundary and plotted by a Professional Wetland Scientist for Walsh Environmental using a <br />Trimble XT (hand -held GPS unit with ESRI ARC Pad mobile mapping software) and total 1.94- <br />Page 43 <br />