2017-01-04_REPORT - C1981008 - Laserfiche WebLink

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New Horizon Mine Annual Hydrology Report Rule 4.O5.13(4)(c) Annual Hydrology Report Requirements (i) Water quantity monitoring data is presented Appendix 1 and Appendix 2 of this report. (ii) Water quality monitoring data is presented in Appendix 1 and Appendix 2 of this report. Discharge monitoring reports (DMR) are submitted to the Colorado Department of Public Health and Environment. Copies of each DMR are provided quarterly to the Division during the report year and are included in this report by reference only. (iii) A written interpretation of the data has not been included as it has not been requested by the Division in accordance with Rule 4.05.13(4)(c)(iii). The monitoring timeframe for this annual hydrology report is from October 2015 through September 2016. A description of the surface and ground water monitoring plan including the monitoring frequency is located in Section 2.04.7. All monitoring locations are shown on Map 2.04-7-1A and summarized on Table 2.04.7-1. This previously mentioned information can be located in Permit No. C-1981-008. General Discussion Surface Water Surface water monitoring sites are comprise of several sites which comprise the current, upstream and downstream condition and are briefly described below. Please see Map 2.04.7- 1A for locations. • SW -N102 is located on a tributary of Calamity Draw at the discharge point for Pond 007. • SW -N103 represents the downstream condition on Calamity Draw. • SW -N108 represents the upstream condition upstream Calamity Draw. • SW -N104 is located at the inlet of the 26" HDPE pipe on the West Lateral Ditch upstream of the mine permit area. • SW -N1 is located on Tuttle Draw and represents the upstream condition above mining. • SW -N3 is located on Tuttle Draw and represents the downstream condition below mining. Surface monitoring data for all sites listed above can be found in Appendix 1. Page 2