EPA Guide Seeks To Toughen NPDES Mandates For Groundwater Discharges

The Biden EPA has issued long-awaited guidance for how it plans to apply the Supreme Court’s landmark decision that outlined when pollutants that travel through groundwater to surface water require a Clean Water Act (CWA) permit, easing the threshold for when regulators may require such a permit by removing extra factors added by the Trump EPA. EPA on Nov. 21 quietly released its draft guidance for applying the Supreme Court’s 2020 ruling in County of Maui v. Hawaii Wildlife Fund...