The Swiss Federal Institute of Aquatic Science and Technology (Eawag, German acronym for Eidgenössische Anstalt für Wasserversorgung, Abwasserreinigung und Gewässerschutz) is a Swiss water research institute and an internationally networked institution. As part of the Swiss Federal Institutes of Technology Domain, it is an institution of the Federal Department of Home Affairs of the Swiss Confederation. The Eawag is based in Dübendorf near Zurich and Kastanienbaum near Lucerne.