POU Filtration: A Water Safety Plan Essential

January 15, 2017 by Nils Dailey

By Kelly A. Reynolds, MSPH, PhD A proactive approach is needed to effectively manage indigenous microbes in tap water supplies. Microbes such as Legionella, Mycobacterium,…

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NSF/ANSI 419 Public Drinking Water Equipment Performance–Filtration

January 15, 2017 by Nils Dailey

By Rick Andrew First promulgated as a new standard in January, 2015, NSF/ANSI 419 Public Drinking Water Equipment Performance–Filtration provides a test procedure for performance…

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Introduction to Membrane Separations

January 15, 2017 by Nils Dailey

By Greg Reyneke, MWS In the water quality improvement industry, membranes are defined as physical barriers that separate solutions and allow passage of waterborne contaminants…

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You Are All Part of US Water Quality Protection

January 15, 2017 by Nils Dailey

By David H. Martin [caption id="attachment_4786" align="alignright" width="300"] Proposed US EPA water rule would protect secondary lakes, streams, swamps. (Photo courtesy of US EPA)[/caption] You…

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Arsenic in Private Wells: An Under-recognized Hazard

December 15, 2016 by Nils Dailey

By Kelly A. Reynolds, MSPH, PhD Arsenic is naturally occurring in soil and rocks throughout the US and readily dissolves into water, particularly groundwater supplies.…

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Lead Reduction

December 15, 2016 by Nils Dailey

By Rick Andrew Has anyone recently heard concerns from consumers and other end users about lead in drinking water? Is the sky blue? Of course…

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Arsenic: the Mysterious Metalloid

December 15, 2016 by Nils Dailey

By Greg Reyneke, MWS Arsenic is an abundant, naturally occurring element that can be found at varying concentrations in the Earth’s outer crust around the…

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Understanding the Impact of Fracking on Drinking Water Quality

November 15, 2016 by Nils Dailey

By Kelly A. Reynolds, MSPH, PhD In the US, between 25,000 and 30,000 new wells were drilled via hydraulic fracturing (also known as fracking) from…

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PFOA and PFOS Reduction Testing

November 15, 2016 by Nils Dailey

By Rick Andrew One of the hot topics in the world of drinking water (especially in the area of drinking water treatment) is perfluorooctanoic acid…

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Water Treatment—An Enigma of Its Own, Part 2

November 15, 2016 by Nils Dailey

By Peter S. Cartwright, PE In Part 1, I addressed the wild claims and nonsensical science behind PWCs designed for scale control. This article is…

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