Potable water from shallow wells: A multi-method study of factors influencing physicochemical and microbiological quality

Thesis event information

Date and time of the thesis defence

Place of the thesis defence

Martti Ahtisaari auditorium (L2), University of Oulu, Linnanmaa

Topic of the dissertation

Potable water from shallow wells: A multi-method study of factors influencing physicochemical and microbiological quality

Doctoral candidate

MRes Kevin Lyons

Faculty and unit

University of Oulu Graduate School, Faculty of Technology, Water, Energy and Environmental Engineering Research Unit

Subject of study

Process and Environmental Engineering

Opponent

Associate Professor Martin Taubert, Friedrich Schiller University Jena

Custos

Dr. rer. nat., Docent, Academy Research Fellow Katharina Kujala, University of Oulu

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Potable water from shallow wells

While shallow wells (e.g. well depth < 15 m) provide easy and affordable access to water, they can also be vulnerable to influences from the surrounding environment due to the thinness of the overlying soil layer and the presence of groundwater–surface water interactions.

Here, water from thirty-three shallow wells used for potable water supply in northern and central Finland was assessed to better understand the nature of these influences and their effects on well water quality.

Well water monitoring often relies on periodic on-site measurements, as well as manual sampling and laboratory analyses. This thesis shows how that approach can be combined with alternative methods to provide a more holistic understanding of the influences affecting shallow wells, producing findings with relevance to public health, water supply management, and subsurface microbial ecology.
Last updated: 23.9.2024