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1 <br />' <br /> TABLE OF CONTENTS <br />' 1.0 INTRODUCTION ..................................................................................................... ............... 1 <br />' 2.0 SUMMARY OF HYDROLOGY MONITORING DATA ............................................. ............... 2 <br /> 2.1 Description of the Deserado Mine Hydrologic Monitoring Program ......... ............... 2 <br /> 2.1.1 Surface Water Monitoring Program ............................................. ............... 2 <br />' 2.1.2 Ground Water Monitoring Program ............................................. ............... 2 <br /> 2.2 Summary and Analysis of Deserado Mine Hydrology Data .......................... ............... 4 <br /> 2.2.1 Ground Water Monitoring Data ...................................................... ............... 4 <br />' 2.2.1.1 Alluvial Water Level Data ............................................... ............... 4 <br /> 2.2.1.2 Alluvial Water Quality Data ............................................. ............... 5 <br />' 2.2.1.3 Bedrock Water Level Data .............................................. ............... 5 <br /> 2.2.1.4 Bedrock Water Quality .................................................... ................ 7 <br /> 2.2.1.5 Mine Water Balance ....................................................... ................ 7 <br /> 2.2.1.6 NPDES Discharges ........................................................ ................ S <br /> 2.2.1.7 Whole Effluent Toxicity (WET) Testing ........................... .................8 <br /> 2.3 Red Wash Alluvial Monitoring Program ................................................... .............. 10 <br />3.0 HYDROLOGY AND MINE DEVELOPMENT ......................................................................... 12 <br />3.1 Mining Related Hydrologic Impacts ....................................................................... 12 <br />3.2 Comparison of Projected Impacts with Observed Impacts .................................... 12 <br />' 3.3 Significance of Impacts to Use of Water ................................................................ 13 <br />3.4 Effectiveness of Mitigation Measures .................................................................... 13 <br />' 3.5 Changes Necessary to Minimize Impacts ............................................................. 13 <br />' LIST OF TABLES <br /> TABLE PAGE <br />' 2-1 Alluvial Monitoring Hole Water Quality Parameters ..............................................................4 <br /> 2-2 Mine Water Balance .............................................................................................................7 <br />1 <br /> LIST OF APPENDICES <br />' <br /> A Revised Hydrologic Monitoring Requirements <br />t B <br />C Surface Water Monitoring Data and Statistical Summaries <br />Groundwater Monitoring Data <br /> D Groundwater Hydrographs <br />' E Qal-5 Monitoring Data, Statistical Summary and Hydrograph <br />t <br />