This article describes the types of structures commonly used for distribution storage, discusses how to choose an appropriate structure, and offers suggestions on maintenance. The author emphasizes the importance of foundations, construction joints, and concrete quality in the design and construction of such facilities. Other topics addressed include AWWA leakage allowances, AWWA disinfection standards for water storage facilities, and cost comparisons between the various types of reservoirs. Attention is given to reinforced concrete reservoirs. Includes 2 references.