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Windsor East Mine, Exhibit G – Water Information September 2022 <br /> Page 1 | 11 <br />EXHIBIT G: WATER INFORMATION <br /> <br />1.0 INTRODUCTION AND BACKGROUND <br />This Exhibit addresses the hydrologic conditions at the Windsor East Mine located in Section 36, Township 6 <br />North, Range 67 West of the 6th Principal Meridian, Town of Windsor, Colorado (See Figure G-1), The Exhibit <br />documents the depth and direction of groundwater flow, the nature of the subsurface geologic materials through <br />which it flows (Figure G-2), any interactions with streams, lakes, canals or other surface water bodies in the area <br />and the potential impacts to surrounding water users due to mining impacts. <br />The information in this Section is intended to satisfy the requirements outlined in Sections 3.1.6, 6.3.3, 6.3.4, and <br />6.4.7 of the Colorado Mined Land Reclamation Board's Construction Material Rules and Regulations. <br />Section 3.1.6 <br />(1) Hydrology and Water Quality: Disturbances to the prevailing hydrologic balance of the affected land and of the <br />surrounding area and to the quantity or quality of water in surface and groundwater systems both during and after <br />the mining operation and during reclamation shall be minimized by measures, including, but not limited to: <br />(a) compliance with applicable Colorado water laws and regulations governing injury to existing water <br />rights; <br />(b) compliance with applicable federal and Colorado water quality laws and regulations, including <br />statewide water quality standards and site-specific classifications and standards adopted by the Water <br />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 are <br />revegetated and stabilized, if required by the Reclamation Plan. <br />Section 6.4.7 <br />(1) If the operation is not expected to directly affect surface or groundwater systems, a statement of that <br />expectation shall be submitted. <br />This site is directly adjacent to the Cache la Poudre River. The Cache la Poudre River will be utilized for the <br />discharge of dewatering water from each of the proposed mine cells. The presence of the river has the collateral <br />benefit of mitigating groundwater drawdowns and associated impacts to wells east of the Site. <br />(2) If the operation is expected to directly affect surface or groundwater systems, the Operator/Applicant shall: <br />(a) Locate on the map (in Exhibit C) tributary water courses, wells, springs, stock water ponds, reservoirs, <br />and ditches on the affected land and on adjacent lands where such structures may be affected by the <br />proposed mining operations. <br />Please see Exhibit C Pre-Mining Maps for the location of all tributary water courses, wells, springs, stock water <br />ponds, reservoirs, and ditches on the affected land and on adjacent lands where such structures may be affected <br />by the proposed mining operations <br />(b) Identify all known aquifers <br />