The EPA's compilation of national recommended water quality criteria is presented as a summary table containing recommended water quality criteria for the protection of aquatic life and human health in surface water for approximately 150 pollutants.
EPA's Office of Water helps to ensure that the latest water pollution science and best available control technologies support our program goals to keep water safe and clean.
WATERS (Watershed Assessment, Tracking and Environmental ResultS) unites water quality information that was previously available only from several independent and unconnected databases.