A new Environmental Working Group (EWG) study, indicating widespread nitrate pollution in US drinking water (at levels linked to increased cancer risk), underscores the need for in-home water filtration, the Water Quality Association said. In the October 2 report, the EWG analyzed tests of public water systems and found that 1,700 communities across the US regularly have nitrate levels that the National Cancer Institute says can increase the risk of cancer. Two-thirds of those systems (serving more than three million Americans) have no nitrate treatment process. Home filtration devices or systems can remove nitrate or other contaminants and WQA offers a technical fact sheet on nitrate/nitrite at https://www.wqa.org/learn-about-water/common-contaminants/nitrate-nitrite.


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