A sump pump is a very important part for buildings in flood-vulnerable regions

https://crweworld.com/australia/victoria/goulburn-valley/localnews/home-garden/3469554/what-in-your-house-requires-plumbing-

A sump pump is a critical thing for homes in flood-inclined regions, supporting to avert basement flooding through mechanically hunting down extra water from the foundation, protective your property from water smash.