"Yuengling is responsible for serious violations of its Clean Water Act pretreatment discharge limits, posing a potential risk to the Schuylkill River which provides drinking water to 1.5 million people," EPA Regional Administrator Shawn Garvin said in a news release. "This history of violations and failure to fully respond to orders from the Greater Pottsville Area Sewer Authority and EPA to correct the problems resulted in this enforcement action."