Wastewater Treatment Plants Press EPA For More Flexibility In CSO Policies

Publicly owned treatment works (POTWs) are pressing EPA to revise a pair of guidance documents addressing combined sewer overflows (CSOs) to provide more flexibilities for systems that are complying with their long-term control plans (LTCPs) but are still not meeting water quality standards. In March 21 comments , the National Association of Clean Water Agencies (NACWA) charges that EPA’s draft guidance for future national pollutant discharge elimination system (NPDES) permitting for CSOs, as well as a related January Office of...