Water is the most abundant liquid on the Earth's surface and is crucial to numerous aspects of our daily life. Thus, a wide variety of fluid dealing with applications include transporting and or pressurizing water in its liquid structure. As a liquid, water is commonly a neutral fluid that is effectively taken care of without unique considerations. In any case, water does present some unique sealing challenges that should ought to be thought of. With the focus of this issue on pumps in water handling systems, our potential challenges to successfully applying mechanical seals in these pumps.