The Department of Utilities and Engineering operates and maintains the treatment, distribution, and storage system that serves properties located inside the City limits, major portions of Richland County, portions of Lexington County and other are communities.  The Columbia Canal Water Treatment Plant, located at 300 Laurel Street, and Lake Murray Water Treatment Plant, located at 6 Rocky Point Road, have a combined rated capacity of 146 million gallons per day and serve approximately 375,000 customers.  The distribution system has over 2,350 miles of water lines, pump stations, storage tanks, and pressure reducing valves that distribute water across 9 primary pressure zones.  Both water plants operate 24 hours a day and staff may be reached any time by calling either 733-8336 or 781-2181.