Steel filings work as stormwater filter

City pilot project could have applications on the farm

Janelle Atyeo
Apr 30, 2025
Apr 30, 2025

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Water stewardship filter 1.jpg — A structure captures stormwater from a southeastern Sioux Falls neighborhood. The steel shavings in the structure help clear E. coli and phosphate from the water.
Submitted photo

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Water stewardship filter 2.jpg — Steel shavings help clear E. coli and phosphate from stormwater in this system designed by engineers at South Dakota State University.
Submitted photo

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Janelle Atyeo is a small town South Dakota girl enjoying her work as regional editor of the Midwest Messenger and Tri-State Neighbor while raising kids and no-till vegetables in central Sioux Falls. Reach her at janelle.atyeo@lee.net.