Microbiological Quality of Water from Noncommunity Supply Wells in Carbonate and Crystalline Aquifers of Pennsylvania.

摘要

Contents: Abstract; Introduction; Sampling design; Methods of study; Microbiological quality of ground water used for noncommunity water supply; Summary and conclusions; References cited; Appendix 1: Noncommunity supply well information for Pennsylvania; Appendix 2: Water-quality data for noncommunity supply wells in Pennsylvania; Illustrations; Tables and Conversion factors and Abbreviations.