A water supply line is a pipe or system of pipes that transports water from a source, such as a water treatment plant or well, to homes, businesses, and other facilities. These lines are essential for providing clean and safe drinking water, as well as water for cooking, cleaning, and sanitation. Water supply lines can be made from various materials, including PVC, copper, and galvanized steel. They are designed to withstand pressure and prevent leaks, ensuring a reliable flow of water. Regular maintenance and inspections are important to keep these lines functioning properly and to avoid contamination.