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NEW ELK MINE <br />2010 ANNUAL HYDROLOGIC MONITORING REPORT <br />TABLE OF CONTENTS <br />Page <br />1.0 INTRODUCTION <br />1.1 Site Description 1 -1 <br />1.2 Monitoring Program 1 -3 <br />1.2.1 Surface Water 1 -4 <br />1.2.2 Springs and Seeps 1 -4 <br />1.2.3 Ponds and Direct Discharges 1 -5 <br />1.2.4 Alluvial Wells 1 -7 <br />1.2.5 New Elk Mine Water Levels 1 -8 <br />1.2.6 Refuse Disposal Area Piezometers 1 -9 <br />1.2.7 UST Monitoring and Remediation Wells 1 -9 <br />1.2.8 Inactive Stations 1 -9 <br />2.0 MONITORING METHODS <br />2.1 Surface Sites 2 -1 <br />2.2 Groundwater Sites 2 -1 <br />3.0 HYDROLOGIC CONSEQUENCES <br />3.1 Water Quantity 3 -1 <br />3.1.1 Springs and Seeps 3 -1 <br />3.1.2 Purgatoire River System 3 -1 <br />3.1.3 Groundwater 3 -2 <br />3.1.4 Piezometers 3 -2 <br />3.2 Water Quality <br />3.2.1 Springs and Seeps 3 -2 <br />3.2.2 Surface Waters 3 -2 <br />3.2.3 Alluvial Groundwater 3 -3 <br />3.2.4 New Elk Mine Water 3 -4 <br />4.0 MITIGATIVE MEASURES 4 -1 <br />5.0 MONITORING PROGRAMS FOR 2011 <br />6.0 REFERENCES <br />5 -1 <br />6 - 1 <br />APPENDIX A WATER QUALITY DATA, 2010, FIELD NOTES, LAB REPORTS <br />APPENDIX B WATER QUALITY SUMMARY, 1984 - 2010 QUARTERLY <br />LEVELS /FLOW RATES, PHYSICAL PROPERTIES, CHEMISTRY <br />APPENDIX C SPRING & SEEP SURVEY <br />