Superfund practitioners are waiting to see whether the U.S. Environmental Protection Agency (EPA) will designate perfluorooctanoic acid and perfluorooctane sulfonate, two chemicals in the per- and polyfluoroalkyl substances (PFAS) group, as CERCLA hazardous substances. Such a designation may lead to selected remedies being modified and further work being required at Superfund sites where remedies were believed to be complete. This Article explores potential future liability by reviewing provisions of the 2021 Remedial Design/Remedial Action (RD/RA) Model Consent Decree.

This Comment examines the legal framework for state protection of nonfederal waters and its implications for cooperative federalism. After a brief overview and legal background, it identifies some recent state actions that attempt to fill gaps in coverage created by changes in federal interpretations of the Clean Water Act. It then summarizes the current scope of state regulation of waters in every state, in order to discern the likely impact of changes at the federal level on the status of waters in the states.