The AD4GD pilot on water pollution was presented to stakeholders and decision makers in a conference on small urban lakes organized in Berlin. The event called “WasserWerkstatt” brought together experts and authorities from the German capital and beyond, who shared their perspectives on the benefits that small lakes can bring to the city and the challenges that lay ahead. Malte Zamzow, researcher at KWB, presented how the AD4GD project is integrating satellite data, online sensors, and citizen science to get to know these small lakes more and better. “WasserWerkstatt is organized by KWB under the umbrella of the “Water Innovation Challenge Berlin”, organized by the Berlin School of Economics and Law in collaboration with the Startup Incubator Berlin, the IHK Berlin, the university network “Zukunft findet Stadt” and Berlin Partner for Business and Technology.