APPENDIX C: WATER-TABLE ELEVATIONS IN EASTERN BARNSTABLE, MASSACHUSETTS 

 Cape Cod Aquifer Management Project Final Report Page C-2 



Barnstable at the Barnstable County Fire Training Facility and the WWTF 

 (GHR, 1986; lEP, Inc., 1986; Whitman and Howard, Inc., 1987). 



Acknowledgments 



The Cape Cod Aquifer Management Project wishes to thank the following 

 individuals and organizations for their assistance and cooperation in this 

 project: Daniel Leahy, Barnstable Department of Planning and Development; 

 David Green and Arthur Marney of the Barnstable Department of Public 

 Works; Michael Kruse, Town of Yarmouth; Gabrielle Belfit and David Janik, 

 Cape Cod Planning and Economic Development Commission; Peter Doyle, Barn- 

 stable Waste Water Facility; Normand Nault, Barnstable Water Company; 

 George Weir, Barnstable Fire District; Donald Rugg, Centerville-Osterville 

 Fire District; Paul Wilson and Rick Crowley, Yarmouth Water Company; 

 Thomas Cambareri, lEP, Inc.; Steven Wood, Commonwealth Electric Company; 

 Kevin Hehir, Barnstable Airport; Al Comeau, Cummaquid Golf Course; Tara 

 Gallagher, DEQE; and Lee Steppacher and Karen Wilson, EPA. It also wishes 

 to thank Michael Frimpter for providing information and well data on file 

 at the U.S. Geological Survey in Boston, Massachusetts, and Alison C. 

 Simcox for her helpful editorial assistance. 



Procedure 



Locations and data of observation wells in Barnstable and Yarmouth were 

 obtained from twelve public and private organizations during the six-month 

 investigative phase of the project (Summer - Fall, 1986). Of the initial 

 215 wells identified for potential inclusion for the study, 71 (about 

 one-third) were eventually selected for use. The final choice was based on 

 the availability of information including location, ownership, access, 

 construction data, drillers' logs, survey records, and a field check be- 

 fore actual readings were taken to ensure that the selected wells were not 

 lost or damaged. In addition, individual wells were selected within clus- 

 ters to provide representative data in the area. In total, the elevations 

 of the water table was measured at 71 wells and 7 ponds (see table) . 



The most accurate method of water-table measurement at a well is made by 

 determining the vertical distance from a known elevation such as the top 

 of a well casing to the water level inside of the well. In this study, 

 measuring-point elevations were provided by cooperating agencies and mea- 

 suring tapes graduated in hundredths of a foot were used. While nearly 

 all of the 71 wells had surveyed elevations, three (Nos . 47, 48, and 71 in 

 table) did not. Estimates of elevations for these wells were made from 

 the USGS 7.5 minute Hyannis quadrangle (USGS, 1979) and were assumed po be 

 accurate within five feet, versus 0.01 feet for other points. 



The elevations of seven ponds in the study area were obtained on May 13, 

 1987 by using local benchmarks and standard levelling techniques. To 

 mitigate the effects of waves, temporary stilling wells consisting of 

 perforated PVC casing were driven into shallow pond sediments within three 



