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Environmental Assessment <br /> 2.1.5 Water Supply <br /> Water is used at the King II Mine primarily for dust suppression, as required by MSHA and other <br /> regulations for worker safety and mine operations. Since there is no water supply at the mine,water for <br /> the King II Mine is based on water rights owned and leased by GCC.Water is delivered to the King II <br /> Mine site through ditches on the private Huntington Ranch and then the Huntington pipeline. GCC and <br /> Huntington Ranch have completed negotiations with respect to water rights conveyance and easements. <br /> The water right decree in Colorado Water Court District 7 for Case Number 07CW 100 provides raw <br /> water for mine operations and for treatment to provide potable water for offices and sanitary facilities. <br /> The decree provides up to 34.07 acre-feet annually from three sources of water: Huntington irrigation dry- <br /> up, diversion from the La Plata River,and well water. In 2015, GCC filed (2015CW3059)for <br /> supplemental water supply to meet the requirements of LPC's land use code. The supplemental water <br /> supply is comprised of Huntington Class A Shares through dry-up of an additional 44 acres of previously <br /> irrigated Huntington-owned lands. This supplemental water supply required a"change of use"decree <br /> from the water court to allow irrigation water to be used at the mine. The supplemental water and"change <br /> of use"were approved by the District Court,Water Division No. 7 on January 6, 2017. <br /> As part of GCC's continued effort to reduce impacts to water resources, an existing 20-acre-foot <br /> underground reservoir was replaced in 2016 with an alternate storage reservoir with capacity of up to 40 <br /> acre-feet at the Huntington Ranch location through enlargement of an existing pond. Per the current <br /> decree, GCC may store its First Lease Water, Second Lease Water, or any other water rights decreed in <br /> Case Number 07CW 100 in this reservoir. This additional storage will allow for a reliable water supply at <br /> the mine into the future. <br /> 2.1.6 Reclamation <br /> After completion of mining the following sequence of reclamation events will occur as detailed in Table <br /> 2-6. These actions are estimated to take the specified amount of time but GCC Energy, LLC does not <br /> commit to any specified timeframe. Certain activities may be accelerated or delayed dependent on season <br /> and whether they can be carried on contemporaneously with other activities. <br /> DOI-B LM-CO-S010-2011-0074-EA <br /> September 2017 <br /> -43- <br />