Occurrence of Pathogens in Rural Groundwater in the Fractured-Rock Terrain of Southwestern Wisconsin, USA

Kenneth Bradbury1, Mark A. Borchardt2, Joel Stokdyk3 and Maureen Ann Muldoon1, (1)Wisconsin Geological and Natural History Survey, Madison, WI, United States, (2)USGS, Middleton, WI, United States, (3)USGS Laboratory for Infectious Disease and the Environment, Marshfield, WI, United States