Introduce us from group 6 design thinking of innovation class B. We take the 11th SDGs theme about sustainable cities and settlements. By observing and taking into consideration many of the issues we take to resolve. It was born a prototype innovation named FISH (Flood Initiative System Water Wheel). Our great hope with the presence of FISH can effectively overcome the problem of flooding in the place that we observe, namely the river in the area of Keputih Tegal Timur I RT 07, Keputih, Sukolilo, Surabaya.