The answer to 'difference between water line' is the main difference between a water line and a sewer line is their purpose and function. A water line is responsible for delivering clean, fresh water into a home, while a sewer line is responsible for removing wastewater from the home. Water lines typically carry potable water from the municipal supply or well, while sewer lines carry used water, sewage, and waste to the municipal sewer system or a septic tank.
Water lines are generally smaller in diameter, made of materials like copper, PEX, or PVC, and operate under pressure to push water into the home. Sewer lines are larger, made of materials like cast iron or PVC, and rely on gravity to drain wastewater out of the home. Water lines require regular maintenance to prevent leaks, while sewer lines may need periodic cleaning to prevent clogs and backups.