March 27, 2009 - More than one in five private wells across the United States contains at least one contaminant that poses a threat to human health, according to a comprehensive study released Friday.
In New Jersey, some wells had contaminants such as arsenic, mercury, nitrates and volatile organic compounds that were found in levels the government does not consider safe for drinking.
The United States Geological Survey studied 2,167 privately owned wells across the country, including sites in New Jersey. Of the private wells studied, 23 percent contained at least one contaminant.
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