Reducing Problematic Concentrations of Microorganisms in Residential Water Well Systems

Presented on Wednesday, September 17, 2014

This half-hour online presentation recaps the step-by-step procedures described in the NGWA-developed industry best practices document for Reducing Problematic Concentrations of Microorganisms in Residential Water Well Systems. Topics include:

-Background information regarding microorganisms in groundwater
-Guidance about geologic and land-use conditions related to concentrations of microorganisms
-Description of well location and construction methodologies related to microorganism contamination
-Review of well disinfection practices
-Groundwater analyses and treatment options for microorganisms in groundwater.

Peter S. Cartwright, PE
Cartwright Consulting Co., Bloomington, MN
Peter Cartwright entered the water purification and wastewater treatment industry in 1974, and has had his own consulting engineering firm since 1980. He has a degree in Chemical Engineering from the University of Minnesota (1961) and is a registered Professional Engineer in that state. Cartwright has provided consulting services to more than 250 clients globally. He has authored approximately 200 articles, written several book chapters, presented over 200 lectures in conferences around the world, and is the recipient of several patents. He also provides extensive expert witness testimony and technology training courses.

Jessica Rhoads
National Ground Water Association, Westerville, OH
Jessica Rhoads is the NGWA industry practices administrator. In her third year with the Association, Rhoads coordinates the development of industry standards and best suggested practices, as well as the NGWA Voluntary Certification Program. Prior to joining NGWA, she was an intern with the Ohio Geological Survey at the Ohio Department of Natural Resources. Rhoads earned a B.A. in professional geology from Ohio Wesleyan University, where she was awarded the Robert E. Shanklin Distinguished Scholar Award in Geology. In addition, she is a member of the Society of Sigma Gamma Epsilon, national honor society for the Earth sciences, and the Ohio Society of Association Executives.
Stuart Smith, CGWP, RG
Smith-Comeskey Ground Water Science LLC, Poland, OH
Stuart A. Smith, CGWP, RG, hydrogeologist and microbiologist, is a partner in Smith-Comeskey Ground Water Science LLC and Ground+Water Tanzania Ltd. He has more than 30 years’ experience in the application of research, analysis, training, and consulting related to groundwater and wells, with a focus on efficient and cost-effective analysis and rehabilitation of well problems, and well and wellfield asset management, and is a pioneer in applying biofouling analytical methods in groundwater system analysis, rehabilitation, and asset management.

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