title: USGS profiles private wells.
authors: Naomi
authors: N
authors: Lubick
mesh_terms: D004784:Environmental Monitoring; D006801:Humans; D014481:United States; D037041:United States Government Agencies; D014871:Water Microbiology; D014874:Water Pollutants, Chemical / Q000737:chemistry; D014881:Water Supply / Q000032:analysis*
chemical_list: D014874:Water Pollutants, Chemical