A new study reveals that nearly a third of Americans are exposed to unregulated contaminants in their drinking water, with Hispanic and Black communities facing a higher risk. Researchers emphasize the urgent need to protect source waters and reduce discharges of pollutants to ensure safe drinking water for all.
Nearly a third of Americans have been exposed to unregulated contaminants in their drinking water that might affect their health. What's more, Hispanic and Black people are more likely to have unsafe levels of contaminants in their drinking water , and to live near pollution sources like industrial facilities, researchers said in a new study published January 15 in the journal Environmental Science & Technology.
\Our findings show that the percentage of Hispanic and Black residents in a community is a consistent predictor of poorer water quality,” said lead researcher Aaron Maruzzo, a scientist at Silent Spring Institute in Boston, in a news release from the group. Public water facilities are currently required to test for nearly 100 contaminants in drinking water, researchers said. “Yet we know there are thousands of other harmful chemicals that are not regulated that make their way into groundwater and surface waters, and some of these chemicals can ultimately end up in drinking water supplies,” senior researcher Laurel Schaider, a senior scientist at Silent Spring Institute, said in a news release. \For this study, researchers looked at data the U.S. Environmental Protection Agency collected between 2013-2015 under a program tracking unregulated contaminants in drinking water. The research team analyzed data from more than 4,800 public water systems and found that 27% -- serving 97 million people -- had detectable levels of at least one of these chemicals:These chemicals appear more frequently in Hispanic and Black neighborhoods, which are more likely to be situated close to sites that discharge the pollutants, researchers said. Discharge sites include wastewater treatment plants, airports, industrial sites, and military training facilities. These findings build on previous research by the Silent Spring Institute which found that Hispanic residents were more likely to be exposed to higher levels of nitrate in drinking water, researchers stated. Nitrate exposure can cause a fatal condition called “blue baby syndrome,” in which blood is less able to carry oxygen around the body, researchers said. Nitrate exposure also might increase the risk of colon and \Ultimately, we need to do a better job at protecting source waters and reducing discharges of pollutants into water bodies that feed into our drinking water supplies,” Schaider concluded.
Drinking Water Contaminants Environmental Health Water Quality Racial Disparities
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