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Keeping water safe is a complex undertaking. In the December issue of Journal AWWA, an author reviews the history of a state-of-the-art water treatment plant that opened in Saginaw, Mich., in 1929 and has been assessing and upgrading its processes and systems ever since. Other articles summarize studies on biofiltration and new approaches for manganese and nitrate removal, and analyze the conditions that culminated in high lead levels in the water of Flint, Mich., in 2014.
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Biomass Evolution in Full-Scale Anthracite–
Sand Drinking Water Filters Following Conversion to Biofiltration
Amina K. Stoddart, Jordan J. Schmidt, and Graham A. Gagnon
To test the hypothesis that there would be significant differences in biomass accumulation at the start and end of a filter cycle, this study examined accumulation in full-scale drinking water filters during conversion from filtration to biofiltration.
The City of Saginaw: A Historical Water Treatment Facility and System Perspective
Paul D. Reinsch
This “Spotlight On . . .” article describes the history of water supply and treatment in the city of Saginaw, Mich.
Ultrasonic Treatment of Algae in a
New Jersey Reservoir
Orren D. Schneider, Lauren A. Weinrich, and Scott Brezinski
A system of ultrasonic buoys was installed in the Canoe Brook Reservoir 1 in Short Hills, N.J., to assess the impact of the system on controlling algae and cyanobacteria in the reservoir.
Journal AWWA is proud of the talented authors who contribute to our publication. This month, we spoke with Susan J. Masten, who wrote the June 2016 article, “Flint Water Crisis: What Happened and Why?” with Simon H. Davies, and Shawn P. McElmurry. Read more...