Knowledge and Technology Exchange (KTE) is, in addition to research and teaching, one of the three key tasks of Eawag's researchers. Due to the relevance of KTE for Eawag's mission, a survey was conducted in order to learn about the experiences, needs, and motivation of Eawag's researchers. KTE is defined as 'a two-way exchange of knowledge and/or technology between scientists and stakeholders outside the scientific community. Such external stakeholders include actors from private enterprises, government, professional and/or civil society, and the general public. KTE encompasses all facets of knowledge production, sharing, storage, mobilisation, translation and use (Cvitanovic, McDonald, and Hobday (2016), adapted for this survey).' [...]