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DES MOINES, Iowa — The Environmental Protection Agency has proposed rolling back protections that stop coal-burning power plants from dumping toxic wastewater—including arsenic, mercury, selenium, and lead—from coal ash waste landfills into U.S. waterways. The discharge of coal ash wastewater has been an issue at Iowa coal plants, including in Sioux City on ... [continued] The post Iowa Waterways at Risk as EPA Allows More Toxic Waste from Coal Plants appeared first on CleanTechnica .

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