Established in 1925, Wiedeman and Singleton is a full-service civil and environmental consulting engineering firm. It develops and designs water and wastewater treatment facilities in the Southeast. Wiedeman and Singleton maintains offices in Atlanta; and Rock Hill, S.C. It offers water supply, wastewater collection, storm water control and management, and feasibility and planning studies services. The company has designed and assisted clients with the development of more than 100 water treatment facilities. Wiedeman and Singleton provides various engineering services that cover several aspects of water supply, including reservoirs, raw water intakes and pump stations, water treatment plants and distribution systems.