December 2004: Volume 46, Number 12
Groundwater Vulnerability to Microbial Contamination
by Kelly A. Reynolds, MSPH, Ph.D.
Currently, more than 100 million Americans rely on groundwater as their source for drinking. Historically, groundwater supplies were thought to be free of pathogenic microbes due to the natural filtering ability of the subsurface environment and the distance a microbe would have to travel in order to reach the groundwater source...
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