PERMFILE52847

• Permit No: C1981028
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: GROUND-WATER RESOURCES STUDY
• Section_Exhibit Name: ASH DISPOSAL PLANS APPENDIX A
• Media Type: D
• Archive: No

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TABLE OF CONTENTS
Part
Page
Conclusions and Recommendations 1
I Introduction 4
II General Description of Hydrology and Geology 4
A. Climate 4
8. Geology 5
C. Water Resources 7
III Pre-Mining Subsurface Hydrology and Hater Quality in
Detailed Study Area 8
A. Geology ... 8
B. Characterization of Hydraulic Properties of Aquifers. 10
C. Piezometric Surface 25
D. Water Quality 29
E. Summary of Existing Situation 35
IV Subsurface Hydrology and Water Quality During Mining 36
A: Pit Inflow Estimates 36
B. 1)rawdown of Piezometric Surface Due to Pit Inflow 43
C. Quality of Mine Inflow 45
V Post-Mining Hydrology and Water Quality 46
A. Past-Mining flow Patterns and Hydrology 46
B. Post-Mining Hater Quantity and Quality 48
VI Acknowledgements . 49
APPENDIX A - Nell Construction and Location SD
APPENDIX B - Calculation of Hydraulic Coefficients 66
APPENDIX C - Data 85
APPENDIX D - Approximate Location of Existing Hells 94
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