Borehole-Geophysical Investigation of the University of Connecticut Landfill, Storrs, Connecticut Water-Resources Investigations Report 01-4033 TEMPERATURE MECHANICAL GAMMA ACOUSTIC OPTICAL SPECIFIC and ACOUSTIC CONDUCTIVITY TELEVIEWER TELEVIEWER CONDUCTANCE CALIPERS Prepared in cooperation with the University of Connecticut U.S. Department of the Interior U.S. Geological Survey Cover: Borehole-geophysical logs from a section of borehole MW109R, University of Connecticut landfill study area, Storrs, Connecticut. U.S. Department of the Interior U.S. Geological Survey Borehole-Geophysical Investigation of the University of Connecticut Landfill, Storrs, Connecticut By Carole D. Johnson, F.P. Haeni, John W. Lane, Jr., and Eric A. White Water-Resources Investigations Report 01-4033 Prepared in cooperation with the University of Connecticut Storrs, Connecticut 2002 U.S. DEPARTMENT OF THE INTERIOR GALE A. NORTON, Secretary U.S. GEOLOGICAL SURVEY Charles G. Groat, Director The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the U.S. Government. For additional information write to: Copies of this report can be purchased from: Branch Chief U.S. Geological Survey U.S. Geological Survey Branch of Information Services 11 Sherman Place, U-5015 Box 25286, Federal Center Storrs Mansfield, CT 06269 Denver, CO 80225 http://water.usgs.gov/ogw/bgas http://www.usgs.gov CONTENTS Abstract....................................................................................................................................................................... 1 Introduction ................................................................................................................................................................ 2 Purpose and scope.............................................................................................................................................. 3 Description of the study area ............................................................................................................................. 3 Previous investigations ...................................................................................................................................... 3 Acknowledgments.............................................................................................................................................. 4 Borehole-geophysical methods................................................................................................................................... 4 Conventional borehole-geophysical methods .................................................................................................... 4 Caliper logging .......................................................................................................................................... 6 Gamma logging ......................................................................................................................................... 6 Fluid-temperature logging......................................................................................................................... 6 Fluid-resistivity logging ............................................................................................................................ 6 Electromagnetic-induction logging ........................................................................................................... 6 Advanced borehole-geophysical methods ......................................................................................................... 6 Deviation logging...................................................................................................................................... 6 Optical-televiewer logging........................................................................................................................ 7 Acoustic-televiewer logging ..................................................................................................................... 7 Heat-pulse flowmeter logging................................................................................................................... 7 Borehole-radar reflection logging ............................................................................................................. 9 Hydraulic methods ............................................................................................................................................. 11 Temporary borehole liners................................................................................................................................. 11 Data from the borehole-geophysical investigation at the UConn landfill study area................................................. 12 Conventional borehole-geophysical logs........................................................................................................... 12 Advanced borehole-geophysical logs ................................................................................................................ 12 Deviation logs ........................................................................................................................................... 12 Optical-televiewer logs ............................................................................................................................. 16 Acoustic-televiewer logs ........................................................................................................................... 16 Heat-pulse flowmeter logs ........................................................................................................................ 16 Borehole-radar reflection logs................................................................................................................... 16 Hydraulic test data ............................................................................................................................................. 16 Results of the borehole-geophysical investigation at the UConn landfill study area................................................. 16 Hydrogeologic characterization of boreholes .................................................................................................... 17 Borehole MW109R ................................................................................................................................... 17 Borehole MW101R ................................................................................................................................... 23 Borehole MW103R ................................................................................................................................... 24 Borehole MW104R ................................................................................................................................... 25 Borehole MW105R ................................................................................................................................... 27 Borehole MW121R ................................................................................................................................... 30 CONTENTS iii Borehole MW122R................................................................................................................................... 31 Borehole MW123SR................................................................................................................................. 33 Hydrogeologic characterization of domestic wells ........................................................................................... 34 Domestic well W80, Hunting Lodge Road............................................................................................... 34 Domestic well W125, Hunting Lodge Road............................................................................................. 35 Domestic well W156, Hunting Lodge Road............................................................................................. 36 Characterization of unconsolidated glacial deposits ......................................................................................... 37 Integration of borehole- and surface-geophysical results .......................................................................................... 37 Summary and conclusions ......................................................................................................................................... 37 References cited ......................................................................................................................................................... 42 Appendix 1. Conventional borehole-geophysical logs from boreholes in the UConn landfill study area, Storrs, Connecticut ............................................................................................................................................... 43 Appendix 2. Deviation plots of boreholes in the UConn landfill study area, Storrs, Connecticut ............................ 57 Appendix 3. Optical-televiewer data from boreholes in the UConn landfill study area, Storrs, Connecticut........... 61 3A. Optical-televiewer logs............................................................................................................................... 63 3B. Selected optical-televiewer logs showing transmissive fractures............................................................... 76 3C. Midpoint depth, strike,