Columbia Water operates and maintains the drinking water treatment, distribution, and storage system that serves City of Columbia customers. These customers include: properties located inside the city limits, major portions of Richland County, portions of Lexington County and other local communities. The Columbia Canal Water Treatment Plant, located at 300 Laurel St., and Lake Murray Water Plant, located at 6 Rocky Point Rd., have a combined rated capacity of 150 million gallons per day and serve approximately 375,000 customers. The distribution system has over 2,400 miles of water lines, pump stations, storage tanks and pressure reducing valves that distribute water across 9 major pressure zones. Both water plants operate 24 hours a day, 365 days a year.


1136 Washington St.
Columbia, SC 29201


(803) 545 3300
24 hours a day
7 days a week