A water-powered sump pump is a type of sump pump that uses the pressure of your home's water supply to pump water out of the sump pit. . They're a reliable alternative to battery-powered backups. They utilize municipal water pressure for operation. Water-powered sump pumps are a good option for homeowners who want a reliable backup system that doesn't require electricity or batteries. . However, they can use a significant amount of water, so you may see an increase in your water bill. They also require a continuous and sufficient municipal water supply to function effectively. .