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Water - Biosecurity and Disinfection

11:30 AM -
  11:55 AM
Advanced Treatment Topics
Credits:  .05

In response to numerous studies confirming the presence and continued infectivity of microbial pathogens within groundwater aquifers, the Environmental Protection Agency promulgated the Ground Water Disinfection Rule in 2006, requiring ongoing monitoring for the presence of microbial pathogens within each State. More recently, publication of peer reviewed papers may be found with the findings from this initiative. For example, the results of a two-year groundwater monitoring study conducted by the Minnesota the Minnesota Department of Health including 145 wells, published in 2020 confirmed the presence of Virus (50%), Bacterium, including Salmonella (94%), Protozoans (41%), Human or zoonotic pathogens (96%). A follow-up study published in 2022 served to confirm infectivity of the above pathogens. The intent of this presentation is to provide POE/POU treatment professionals a factual understanding of the prevenance of pathogens within all private and public drinking waters sources, discern the efficacy and reliability of disinfection technologies, their limitations and sensitivity to source water composition(s) and how to ensure microbiological safety of water via the technologies they prescribe for this purpose.

Learning Objectives

Provide and overview of published, peer reviewed studies representative of our current knowledge of the presence of pathogens within private and public drinking water supplies and quantifiable outcomes upon public health and within the agricultural production industry(s).

Provide an overview (broad-brushstroke) of efficacy/reliability of disinfection technologies, their respective limitations, and sensitivity to source water composition(s).


Philip Olsen


East Bethel, Minnesota, United States

WaterThinkTank, LLC Midwest Water Engineering, LLC

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