Office of Ground Water and Drinking Water - EPA's Office of Ground Water and Drinking Water protects public health and the environment by setting standards for drinking water contaminants and protecting sources of drinking water.
Office of Wastewater Management - EPA's Office of Wastewater Management oversees a range of programs contributing to the well-being of the nation's water and watersheds.
American Water Works Association - AWWA is an international non-profit scientific and educational society dedicated to the improvement of drinking water quality and supply.
H2OUSE - This website, developed by the California Urban Water Conservation Council, provides information on how consumers can practice water conservation at home.