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HYDROLOGY <br /> TABLE OF CONTENTS (Continued) <br />is Page <br /> 2. Ground Water 7-255 <br /> a. Levels 7-255 <br /> b. Quality 7-259 <br /> C. Probable Ground water Impacts Due <br /> to Mining 7-262 <br /> 3. Alluvial Valley Floors 7-279 <br /> 4. Summary 7-280 <br /> Glossary 7-282 <br /> Bibliography 7-284 <br />VIII. Seneca II Permit Renewal 02 (1992) Hydrology <br /> Information 7-290 <br /> A. Operational and Postmining Monitoring Program 7-290 <br /> B. Hydrologic Data 7-311 <br /> 1. Introduction 7-311 <br /> 2. Ground Water Data 7-311 <br /> a. Ground Water Levels 7-311 <br /> b. Ground Water Quality 7-311 <br /> 3. Surface Water Data 7-317 <br /> a. Review of Surface Water Flow Data 7-317 <br /> b. Comparison of Surface Water Parameters <br /> to Water Use Standards 7-318 <br /> C. Review of Surface Water TDS Values 7-324 <br /> C. Cow Camp Creek and Bond Creek Alluvial Aquifer <br /> Characteristics 7-330 <br /> D. Review of Pit Inflows at Seneca II Mine 7-331 <br /> E. Sediment Accumulation in Sediment Ponds 7-333 <br />IX. Seneca II Permit Renewal #3 (1977) Hydrology Information 7-336 <br /> A. Hydrologic Monitoring Program 7-336 <br /> 1. Introduction 7-336 <br /> 2. Ground Water Monitoring 7-336 <br /> 3. Surface Water Monitoring 7-345 <br /> 4. Water Monitoring Techniques 7-345 <br /> B. Hydrologic Data 7-355 <br /> 1. Introduction 7-355 <br /> 2. Ground Water Data 7-357 <br /> a. Ground Water Levels 7-357 <br /> b. Ground Water Quality 7-357 <br /> 3. Surface Water Data 7-357 <br /> 4. Surface Water Flow Hydrographs 7-358 <br /> 5. Precipitation 7-358 <br /> C. Probable Hydrologic Consequences 7-358 <br /> 1. Introduction 7-358 <br /> 2. Ground Water 7-360 <br /> a. Total Dissolved Solids 7-360 <br /> b. Water Quality Standards 7-360 <br /> 3. Surface Water 7-371 <br /> a. Total Dissolved Solids 7-371 <br /> b. Water Quality Standards 7-371 <br />X. Seneca II Technical Revision 36 (2004) Monitoring Program Changes 7-378 <br />XI. Seneca II Technical Revision 38 (2005) Monitoring Program Changes 7-379 <br />XII. Seneca II Technical Revision 37 (2005) Permanent Impoundment Water Quality and <br /> Water Rights Discussions 7-379 <br />XIII. Seneca II Technical Revision 45 (2007) Monitoring Program Changes 7-388 <br />XIV. Seneca II Technical Revision 47 (2009) Ground Water Points of Compliance 7-388 <br />References 7-388 <br /> LIST OF FIGURES <br />Figure No. Page <br />7-1 Trilinear Diagram Illustrating Ground Water Quality 7-7 <br />7-2 Comparison of Transmissivity, Specific Capacity, and <br />Well Potential <br />7-17 <br />7-3 Trilinear Diagram Illustrating Ground Water Quality at <br /> The Seneca II Mine, Routt County, Colorado 7-21 <br />7-4 Reserved <br />7-5 Reserved <br />TR-47 ii Revised 1/09