The Evanston Water Treatment Plant is located on the shores of Lake Michigan, one of the world's most valuable sources of fresh surface water. The treatment facility has the capacity to supply up to 108 million gallons per day (MGD) of pure drinking water. Our facility is municipally owned and operated and in addition to serving the residents of Evanston (population 75,994) we also supply water to the Village of Skokie, the Northwest Water Commission which is comprised of the communities of Arlington Heights, Buffalo Grove, Des Plaines, Palatine and Wheeling, and the Morton Grove Niles Water Commission. The total population we serve is over 424,801.
The water distribution system is comprised of 157 miles of water main ranging in size from 3-inch diameter to 48-inch diameter. There are more than 2,000 valves and 1,400 fire hydrants in the Evanston distribution system.