USGS Study Discusses the Quality of Domestic Well Water
Scientists from the U.S. Geological Survey evaluated a range of inorganic and organic contaminants in domestic wells from every state and Puerto Rico.
USGS scientists conducted a groundbreaking study and evaluated a range of inorganic and organic contaminants in domestic wells from every state and Puerto Rico.
Inorganic compounds arsenic and nitrate exceeded the U.S. Environmental Protection Agency´s drinking water standards in well water most often, detected in 11 percent and 8 percent of the sampled wells, respectively, while uranium, mercury and fluoride also exceeded standards at a smaller percentage.