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May Day and Idaho Mine Complex 112 (d) Permit Application <br />• Rule 3.1.6 Water — General Requirements <br />(1) Hydrology and water quality disturbances to the prevailing hydrologic balance of the affected <br />land and of the surrounding area and to the quantity or quality of water in surface and <br />groundwater systems both during and after the mining operation and during reclamation will <br />be minimized by measures, including, but not limited to (Exhibit G — Water Information): <br />(a) compliance with applicable Colorado water laws and regulations governing injury to ex- <br />isting water rights; <br />(b) compliance with applicable federal and Colorado water quality laws and regulations, in- <br />cluding statewide water quality standards and site - specific classifications and standards <br />adopted by the Water Quality Control Commission; <br />(c) compliance with applicable federal and Colorado dredge and fill requirements; and <br />(d) removing temporary or large siltation structures from drainage ways after disturbed areas <br />are revegetated and stabilized. <br />(2) The augmentation pond at the Idaho Operational Area will not damage adjoining property or <br />conflict with water pollution laws, rules or regulations of the federal government, the state of <br />Colorado or with any local government pollution ordinances. <br />(3) Surface areas of the affected land, including mine rock piles, will be stabilized and protected <br />so as to effectively control erosion (Exhibit 6.5 — Geotechnical Stability). <br />• Rule 3.1.7 Groundwater — Specific Requirements: <br />(1) Wildcat will comply with standards and conditions applicable to classified and unclassified <br />groundwater (Exhibit G — Water Information). <br />(a) Operations that affect groundwater quality will comply with state -wide groundwater <br />quality standards established by the Water Quality Control Commission (WQCC). <br />(b) The May Day Idaho Complex is located in an unclassified water basin. <br />(c) Wildcat will ensure that its operations will protect the existing quality and reasonably po- <br />tential future uses of groundwater which has not to date been classified by the WQCC <br />(d) Wildcat understands that water quality standards applicable to groundwater that has been <br />classified, state -wide standards for certain pollutants, and interim narrative standards set <br />by the WQCC shall supersede any numeric protection levels established for the subject <br />pollutants pursuant to Subsection 3.1.7 of the Mineral Rules and Regulations. <br />(2) through (6) Wildcat has reviewed and incorporated permit conditions as specified in Subsec- <br />tions 3.1.7(2) through 3.1.7(6) for groundwater as identified in Exhibit G — Water Informa- <br />tion. <br />• <br />May Day Idaho Mine Complex 112(d) Permit Application <br />September 21, 2010 <br />