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New Horizon Mine Annual Hydrology Report <br />Rule 4.05.13(4)(c) Annual Hydrology Report Requirements <br />(i) Water quantity monitoring data is presented Appendix 1 and Appendix 2 of this report. <br />(ii) Water quality monitoring data is presented in Appendix 1 and Appendix 2 of this report. <br />Discharge monitoring reports (DMR) are submitted to the Colorado Department of Public <br />Health and Environment on a monthly basis. Copies of each DMR are provided monthly to the <br />Division during the report year and are included in this report by reference only. Whole <br />effluent toxicity (WET) testing data is provided in Appendix 3 (summary pages and Chains of <br />Custody). <br />(iii) A written interpretation of the data has not been included as it has not been requested by <br />the Division in accordance with Rule 4.05.13(4)(c)(iii). <br />The monitoring timeframe for this annual hydrology report is from October 2014 through <br />September 2015. <br />A description of the surface and ground water monitoring plan including the monitoring <br />frequency is located in Section 2.04.7. All monitoring locations are shown on Map 2.04-7-1A <br />and summarized on Table 2.04.7-1. This previously mentioned information can be located in <br />Permit No. C-1981-008. <br />General Discussion <br />Surface Water <br />Surface water monitoring sites are comprise of several sites which comprise the current, <br />upstream and downstream condition and are briefly described below. Please see Map 2.04.7- <br />1A for locations. <br />• SW -N102 is located on a tributary of Calamity Draw and is also the NPDES discharge <br />point for Pond 007. SW -N103 represents the downstream condition and SW -N108 <br />represents the upstream condition. <br />• SW -N104 is located at the inlet of the 26" HDPE pipe on the West Lateral Ditch <br />upstream of the mine permit area. <br />• SW -N1 is located on Tuttle Draw and represents the upstream condition above mining. <br />• SW -N3 is located on Tuttle Draw and represents the downstream condition below <br />mining. <br />Surface monitoring data for all sites listed above can be found in Appendix 1. <br />Page 2 <br />