NOAA approved a boundary expansion for the South Slough National Estuarine Research Reserve in Charleston, Oregon. 

EPA finalized a CWA regulation to revise the technology-based effluent limitations guidelines and standards for the steam electric power generating point source category applicable to flue gas desulfurization wastewater, bottom ash transport water and legacy wastewater at existing sources, and combustion residual leachate at new and existing sources. 

EPA withdrew from Agency regulation and management two designated ocean dredged material disposal sites, the Nome East and Nome West Sites, located near Nome, Alaska, pursuant to the Marine Protection, Research, and Sanctuaries Act.