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COLORADO <br /> Division of Reclamation, <br /> Mining and Safety <br /> Department of Natural Resources <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> February 5, 2020 <br /> Kurt Blunt <br /> Blue Mountain Energy, Inc. <br /> 3607 County Rd. 65 <br /> Rangely, CO 81648 <br /> RE: Deserado Mine,Permit No. C-1981-018 <br /> 2019 Annual Hydrology Report <br /> Dear Mr. Blunt, <br /> The Division received the 2019 Annual Hydrology Report(AHR) on January 29, 2020 <br /> via mail. Thank you for your timely submittal. The Division finds the 2019 AHR is in <br /> compliance with the following Rules: <br /> Rule 4.05.13(4)(a)— The data collected for the 2019 AHR is kept and maintained at the <br /> Deserado Mine Office. <br /> Rule 4.05.13(4)(b) —The 2019 AHR is compiled from the analysis of hydrologic data <br /> collected from the monitoring period of October 1, 2018 to September 30, 2019. <br /> Rule 4.05.13(c)(i), (ii), (iii)—The 2019 AHR was submitted to the Division by the <br /> determined date on which the permittee and the Division agreed to. The report included <br /> an interpretation of the collected data and identified mining related impacts to the <br /> hydrologic balance. <br /> The 2019 data supports the predictions of the Probable Hydrologic Consequences (PHC) <br /> of the Deserado Mine permit. The following is a review of the 2019 data as per the PHC: <br /> The impact on the quantity of water to the White River was minimal, 128,339,290 <br /> gallons or 394 acre-feet was withdrawn from the White River in the 2019 water <br /> year. This is less than the projected 552 acre-feet per year. Groundwater inflow <br /> is usually 20 to 40 gallons per minute (gpm), occasional increased inflows occur <br /> when a localized perched water table is encountered. Other inflows to the mine <br /> are the result of water from leaks and water line brakes. The total incidental <br /> C�L� <br /> I I� o <br /> 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us * *' <br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director \ 876*'/r <br />