Science & Tech
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Designed by Edwin Reynolds (1831-1909) and built by the Edward P. Allis Company, this pump is the major component of one of the earliest water-pollution control systems. When installed, it was capable of pumping more than a half billion gallons of water a day, making it the highest-capacity pump in the world. It is still used during the summer to pump water from Lake Michigan into the Milwaukee River upstream of the downtown area, maintaining a current in the lower portion of the river and greatly reducing the concentration of pollutants.
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Milwaukee, Wisconsin · United States
