Regulation
Clean Water Act Hazardous Substance Facility Response Plans
The U.S. Environmental Protection Agency (EPA or Agency) is finalizing facility response plan requirements for worst case discharges of Clean Water Act (CWA) hazardous substances for onshore non-transportation-related facilities that could reasonably be expected to cause substantial harm to the environment by discharging a CWA hazardous substance into or on the navigable waters, adjoining shorelines, or exclusive economic zone.