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Borehole-Geophysical Investigation of the University of Connecticut Landfill, Storrs, Connecticut

USGS Water Resources Investigation Report 01-4033

Prepared in cooperation with the University of Connecticut

By Carole D. Johnson, F.P. Haeni, John W. Lane, Jr., and Eric A. White

CONTENTS

Abstract
Introduction
    Purpose and scope
    Description of the study area
    Previous investigations
    Acknowledgments
Borehole-geophysical methods
    Conventional borehole-geophysical methods
        Caliper logging
        Gamma logging
        Fluid-temperature logging
        Fluid-resistivity logging
        Electromagnetic-induction logging
    Advanced borehole-geophysical methods
        Deviation logging
        Optical-televiewer logging
        Acoustic-televiewer logging
        Heat-pulse flowmeter logging
        Borehole-radar reflection logging
    Hydraulic methods
    Temporary borehole liners
Data from the borehole-geophysical investigation at the UConn landfill study area
    Conventional borehole-geophysical logs
    Advanced borehole-geophysical logs
        Deviation logs
        Optical-televiewer logs
        Acoustic-televiewer logs
        Heat-pulse flowmeter logs
        Borehole-radar reflection logs
    Hydraulic test data
Results of the borehole-geophysical investigation at the UConn landfill study area
    Hydrogeologic characterization of boreholes
        Borehole MW109R
        Borehole MW101R
        Borehole MW103R
        Borehole MW104R
        Borehole MW105R
        Borehole MW121R
        Borehole MW122R
        Borehole MW123SR
    Hydrogeologic characterization of domestic wells
        Domestic well W80, Hunting Lodge Road
        Domestic well W125, Hunting Lodge Road
        Domestic well W156, Hunting Lodge Road
    Characterization of unconsolidated glacial deposits
Integration of borehole- and surface-geophysical results
Summary and conclusions
References cited

Appendix 1. Conventional borehole-geophysical logs from boreholes in the UConn landfill study area, Storrs, Connecticut
Appendix 2. Deviation plots of boreholes in the UConn landfill study area, Storrs, Connecticut
Appendix 3. Optical-televiewer data from boreholes in the UConn landfill study area, Storrs, Connecticut
    3A. Optical-televiewer logs
    3B. Selected optical-televiewer logs showing transmissive fractures
    3C. Midpoint depth, strike, and dip of features identified in optical-televiewer logs
    3D. Stereoplots of poles to fracture planes identified in optical-televiewer logs
    3E. Stereoplots of poles to foliation planes identified in optical-televiewer logs
Appendix 4. Acoustic-televiewer data from boreholes in the UConn landfill study area, Storrs, Connecticut
    4A. Acoustic-televiewer logs
    4B. Midpoint depth, strike, and dip of features identified in acoustic-televiewer logs
    4C. Stereoplots of poles to planes identified in acoustic-televiewer logs 137
Appendix 5. Heat-pulse flowmeter data from boreholes in the UConn landfill study area, Storrs, Connecticut
    5A. Heat-pulse flowmeter measurements
    5B. Graphs of average flow in boreholes
Appendix 6. Borehole-radar data from boreholes in the UConn landfill study area, Storrs, Connecticut
    6A. Processed borehole-radar logs
    6B. Location, orientation, and length of interpreted radar reflectors
    6C. Stereoplots of poles to fracture planes identified in borehole-radar logs
Appendix 7. Specific capacity and open-hole transmissivity values for selected boreholes in the UConn landfill study area, Storrs, Connecticut
Appendix 8. Electromagnetic-induction and gamma logs for selected boreholes in unconsolidated deposits in the UConn landfill study area, Storrs, Connecticut

FIGURES

1. Map showing location of boreholes and piezometers in the UConn landfill study area, Storrs, Connecticut
2. Plot of optical-televiewer log of borehole MW109R
3. Plot of acoustic-televiewer log of borehole MW109R
4. Diagram of single-hole borehole-radar reflection method
5. Schematic diagram of stereographic projections 15
6. Plot of conventional borehole-geophysical logs for borehole MW109R
7. Plot of heat-pulse flowmeter data for borehole MW109R
8. Plot of processed borehole-radar log for borehole MW109R
9. Plot of specific conductivity before and during pumping in borehole MW105R
10. Plot of specific conductivity and temperature before and after pumping in borehole MW122R
11. Map showing orientation of foliation in bedrock boreholes
12. Map showing orientation of transmissive fractures in bedrock boreholes (A) and stereoplot of poles to planes of transmissive fractures in bedrock boreholes (B)

TABLES

1. Description of boreholes in the UConn landfill study area, Storrs, Connecticut
2. Description of piezometers
3. Transmissive fractures in borehole MW109R
4. Heat-pulse flowmeter measurements in borehole MW109R
5. Location, orientation, and length of interpreted radar reflectors for borehole MW109R
6.-15. Transmissive fractures in boreholes
6. MW101R
7. MW103R
8. MW104R
9. MW105R
10. MW121R
11. MW122R
12. MW123SR
13. W80
14. W125
15. W156

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Citation: Johnson, C.D., Haeni, F.P., Lane, J.W., and White, E.A., 2002, Borehole-geophysical investigation of the University of Connecticut landfill, Storrs, Connecticut: U.S. Geological Survey, Water Resources Investigations Report 01-4033, 187 p.