EPA finalized facility response plan requirements for worst case discharges of 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. 

EPA announced the availability of its final general NPDES permit for water discharges from facilities classified as low threat located in the Navajo Nation.