2018-06-15_PERMIT FILE - M2018030

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(2) If the operation is expected to directly affect surface or groundwater systems,the Operator/Applicant shall: (a) Locate on the map (in Exhibit Q tributary water courses, wells, springs, stock water ponds, reservoirs, and ditches on the affected land and on adjacent lands where such structures may be affected by the proposed mining operations; Not Applicable (b) Identify all known aquifers;and Not Applicable (c) Submit a brief statement or plan showing how water from de-watering operations or from runoff from disturbed areas, piled material and operating surfaces will be managed to protect against pollution of either surface or groundwater (and,where applicable,control pollution in a manner that is consistent with water quality discharge permits), both during and after theoperation. Not Applicable (3) The Operator/Applicant shall provide an estimate of the project water requirements including flow rates and annual volumes for the development,mining and reclamation phases of the project. Historical Hay Grass Proposed Bluegrass Unit Unit 35 Unit Unit 35 Consumption Demands acres Consumption Demands acres Month AF/acre AF/acre AF AF/acre AF/acre AF April 0.02 0.03 0.88 May 0.12 0.15 5.25 0.09 0.11 3.75 June 0.24 0.30 10.50 0.38 0.47 16.42 July 0.31 0.39 13.56 0.41 0.51 17.83 August 0.26 0.33 11.38 0.33 0.42 14.54 September 0.13 0.16 5.69 0.21 0.27 +9138 October 1 0.04 0.05 1.75 Annual 1.12 1.40 49.00 1.42 1.77 61.93 (Table based on info from Wright Water Engineers) The Town owns ample water rights associated with the permit area. Reclamation is the only part of the process requiring water. An estimated 1.4 acre-feet per acre is required for the restoration season. Over the 35 acres to be reclaimed with native seeds equates to a peak monthly demand of approximately 0.25 cfs and an annual demand of 49.0 acre-feet. Town of Granby Mining Permit 10