Clustering and prioritization to design a risk-based monitoring program in groundwater sources for drinking water

“The number of chemical parameters included in monitoring programs of water utilities increased in the last decade. In accordance with the European Drinking Water Directive, utilities aim at a tailored risk-based monitoring (RBM) program. Here, such a RBM program was developed for the largest Dutch water utility, mostly using groundwater as a source. Data from target analyses and high-resolution mass spectrometry-based suspect screening was used to cluster the different source waters. Targets were prioritized based on (preliminary) drinking water guideline values or the threshold of toxicological concern. Suspects were prioritized for further identity confirmation based on semi-quantitative occurrence concentrations combined with in vitro toxicity information. Finally, a RBM program was suggested for each cluster of source waters.”

(Citation: Sjerps, R.M.A., Brunner, A.M., Fujita, Y., et.al. – Clustering and prioritization to design a risk-based monitoring program in groundwater sources for drinking water – Environmental Sciences Europe 33(2021)art. no.32 – DOI: 10.1186/s12302-021-00470-6 – (Open Access))

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