In October, the Water Survey participated in the annual WEFTEC conference, the largest wastewater-related conference in the world at McCormick Place in Chicago. The survey displayed historic images of wastewater plants, typhoid investigations, and advances in wastewater treatment that were part of research activities at the ISWS until the late 1930s.
Among the historic projects on display was development of the wastewater treatment plant in Lake Forest, Illinois, around 1910. The treatment system included a septic tank and filter field. The location, on the shoreline of Lake Michigan was the standard approach to treating wastewater at the time.
Plan for the Lake Forest sewage purification plant.
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