The river water is treated at the Fridley Water Filtration Plant or the Columbia Heights Ultrafiltration Facility (owned and operated by the City of Minneapolis). The quality of the river water is such that it makes it relatively easy to treat. The treatment process removes cloudiness, or turbidity, from the water by filtering it through large beds of sand, gravel, and carbon. The water is softened with lime and then disinfected with chlorine before delivery to customers. The City of Minneapolis' treatment systems are operated in accordance with standard utility practices, and the treated water quality meets all current state and Federal regulations. The treated water is pumped through large diameter pipelines to the Joint Water Commission's storage reservoirs located in Crystal and Golden Valley.