#TDIWH—February 25, 1910: Chlorine Disinfection in Minneapolis

The East Side Pumping Station was built on Hennepin Island in 1885 and efficiently delivered sewage-contaminated drinking water to Minneapolis

The East Side Pumping Station was built on Hennepin Island in 1885 and efficiently delivered sewage-contaminated drinking water to Minneapolis

February 25, 1910: The first use of chlorine as a drinking water disinfectant in Minneapolis, MN. “The water source for Minneapolis, Minnesota, in 1910 was the Mississippi River. At that time, the city had a population of about 380,000, and average daily water use was about 20 mgd. Water was pumped from the river into two rectangular basins with a total capacity of 97 million gallons. Plagued with outbreaks of typhoid fever, the city had considered several treatment options including the installation of slow sand filters. However, none of these plans came to fruition because of the resistance of the electorate and the costs of the projects. On February 25, 1910, a chloride of lime treatment system was put into operation after an alarming increase in typhoid cases and deaths in the city.”

References:

Jensen, J.A. “A 20,000,000-Gal. Hypochlorite Water-Disinfecting Plant at Minneapolis, Minn.” Engineering News. 63:14 (April 7, 1910): 391-2.

McGuire, Michael J. 2013. The Chlorine Revolution: Water Disinfection and the Fight to Save Lives. Denver, CO:American Water Works Association, Chapter 12.

Commentary: The chlorination of the water supply for Minneapolis was part of the explosion of chlorine use after the first use on the Jersey City water supply planned and executed by Dr. John L. Leal in 1908.

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