Water Research Webinar Series

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Risk-based water reuse management continues to gain traction throughout the U.S. This presentation will introduce the recent EPA report Risk-Based Framework for Developing Microbial Treatment Targets for Water Reuse, which describes the conceptual framework underpinning these approaches and provides a detailed discussion of current scientific assumptions for conducting the associated quantitative microbial risk assessments (QMRA). In addition to enabling calculation of new fit-for-purpose water treatment levels, it includes computed pathogen log reduction targets (LRTs) across a variety of municipal and onsite reuse configurations. Implementation considerations, key sources of uncertainty, and future research needs are also identified with an emphasis on removal crediting processes.

Speaker: Michael Jahne, EPA ORD's Center for Environmental Solutions and Emergency Response

Michael Jahne is an Environmental Engineer with the U.S. EPA Office of Research and Development, Center for Environmental Solutions and Emergency Response, where he specializes in quantitative microbial risk assessment and fit-for-purpose water use. His current research interests include risk-based water reuse applications, antimicrobial resistance in built and natural environments, public health monitoring in community wastewaters, and hazard characterization of alternative water sources. He holds an M.S. and Ph.D. in Environmental Science and Engineering from the Institute for a Sustainable Environment at Clarkson University.