The International Water Association calls for nominations for the Ardern-Lockett Award and the IWA MEWE Early- and Mid-Career Researcher Awards. The Ardern-Lockett award recognizes outstanding contributions to research and practice in the field of Microbial Ecology and Water Engineering. The MEWE Early- and Mid-Career Award recognize accomplishments of a mid-career professional in the field of Microbial Ecology and Water Engineering. Nominations have to be received before 30 April 2023. Details