AWWA DSS54623

This paper explains how 70 percent of water quality complaints were reduced by improving distribution water quality through various operational controls. Various measures to improve distribution water quality include manganese/iron sequestration by polyphosphates, controlled unidirectional flushing program, dead-end flushing program, use of dedicated fire hydrants for water trucks and street sweepers, and VIP customer outreach, etc. After nearly three years, it is evident that significant reductions in the numbers of complaints have been achieved through operational control measures. Includes tables, figure.