Audience: Technical/Installer

  • Magnetics Report


    The content of the following report has been prepared by a special task force established by the Water Quality Association and represents the review by the members of the task force of a bibliography of scientific papers and information generally available to the public or released by the authors themselves. The views of the individual…

  • 2022 Contaminant Forecast


    WQA’s Technical Affairs Director Eric Yeggy talks about his top contaminant and water treatment concerns for 2022 on WQA Radio (WQA’s weekly podcast). 

  • Contaminant Level Occurrence Above the MCLG


    The US Environmental Protection Agency (USEPA) sets a regulatory maximum contaminant level (MCL) or action level and a maximum contaminant level goal (MCLG) for all drinking water contaminants included in the National Primary Drinking Water Regulations (NPDWR). The MCLG is the maximum level of a contaminant in drinking water at which no known or anticipated…

  • Aesthetics Level Occurrence Study (hardness, iron, pH, manganese, disinfection residuals)


  • Water Testing and the Code of Ethics: Thoughts and Approaches


    Presenters Chris Wilker, Executive Vice President of Canature WaterGroup USA, and WQA General Counsel Mike Sennett explore the guidance offered by the WQA Code of Ethics to the use of consumer and household water testing in connection with the marketing and selling of industry POE/POU products. Once you’ve viewed the webinar, take the quiz for…

  • Cash or Ash?


    This webinar discussed the ins and outs of doing business with cannabis operators. After you watch the webinar, you can earn 0.1 CPD by passing this quiz.

  • Arsenic Fact Sheet


    The presence of arsenic (As) in nature is due mainly to natural deposits of metalloids in the earth’s crust and usually in ancient rock formations. Arsenic enters ground water through erosion or from manmade sources such as wood preservative, petroleum production, semi-conductor manufacture or due to misuse of animal feed additives and arsenic-containing pesticides (e.g.…

  • Barium Fact Sheet


    Barium is a divalent cation and alkaline earth metal that can be found in naturally occurring mineral deposits. The most common ores are found in Alaska, Arkansas, California, Georgia, Kentucky, Montana, Nevada, and Tennessee. In 2010, 670 thousand tons of barite, a natural barium sulfate ore, were mined in the US, most of it in…

  • Cadmium Fact Sheet


    Cadmium occurs naturally in zinc, in lead and copper ores, in coal and other fossil fuels, in shales and is released during volcanic action. These deposits can serve as sources to ground and surface waters, especially when in contact with low total dissolved solids (TDS) and acidic waters. Major industrial releases of cadmium are due…

  • Chloramine Fact Sheet


    Many municipal water supplies have switched from chlorine to an alternative method of disinfection to reduce the formation of trihalomethanes (THMs). Chloramine, or chloramination, is a treatment method employed by public water systems, more than one in five Americans uses drinking water treated with chloramines. Chloramines do pose a risk for hemodialysis patients and fish. Nitrosamines can…