District of Columbia hosts 1 Superfund cleanup sites, 11 facilities reporting to EPA's Toxic Release Inventory, and 26 facilities currently in significant noncompliance with federal environmental laws. EPA has assessed $974.2k in lifetime penalties across these facilities, and TRI reporters released roughly 19.9k pounds of regulated chemicals on-site in the latest reporting year. The single largest on-site releaser is U S Army Corps Of Engineers Mcmillan Wtp Aqueduct Div in Washington, reporting 18.9k lb to EPA.