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Chain of Rocks Water Purification Plant
Society: ASCEMain Category: CivilSub Category: Water Supply & ControlEra: 1900-1909DateCreated: 1903Mississippi RiverSt. LouisState: MOCountry: USAWebsite: http://www.asce.org/Project/Chain-of-Rocks-Water-Purification-Plant/

Clarifying the turbid waters of the Mississippi River for use as drinking water was a formidable challenge. The Chain of Rocks Water Purification Plant provided the first application of a system of flocculation, sedimentation, and rapid sand filtration for water purification.

The system played a major role in reducing the impact of St. Louis' typhoid and cholera epidemic of 1903 that claimed 287 lives. Continued improvements to the plant reduced that number to 91 by 1914. It is estimated that 1,900 lives were likely saved between 1903 and 1915 due to the filtration system.

YearAdded:
1981
Image Credit: Public Domain (Author's Choice)Image Caption: Chain of Rocks Water Purification PlantEra_date_from: 1903
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Innovations

Chain of Rocks Water Purification Plant

Clarifying the turbid waters of the Mississippi River for use as drinking water was a formidable challenge. The Chain of Rocks Water Purification Plant provided the first application of a system of flocculation, sedimentation, and rapid sand filtration for water purification.

The system…

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