Decision support for water quality management of contaminants of emerging concern

Astrid Fischer, T ter Laak, J. Bronders, N. Desmet, E. Christoffels, A van Wezel, Jan Peter van der Hoek

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)
54 Downloads (Pure)


Water authorities and drinking water companies are challenged with the question if, where and how to abate contaminants of emerging concern in the urban water cycle. The most effective strategy under given conditions is often unclear to these stakeholders as it requires insight into several aspects of the contaminants such as sources, properties, and mitigation options. Furthermore the various parties in the urban water cycle are not always aware of each other's requirements and priorities. Processes to set priorities and come to agreements are lacking, hampering the articulation and implementation of possible solutions. To support decision makers with this task, a decision support systemwas developed to serve as a point of departure for getting the relevant stakeholders together and finding common ground. The decision support system was iteratively developed in stages. Stakeholders were interviewed and a decision support system prototype developed. Subsequently, this prototype was evaluated by the stakeholders and adjusted accordingly. The iterative process lead to a final system focused on the management of contaminants of emerging concern within the urban water cycle, from wastewater, surface water and groundwater to drinking water, that suggests mitigation methods beyond technical solutions. Possible wastewater and drinking water treatment techniques in combination with decentralised and nontechnical methods were taken into account in an integrated way. The system contains background information on contaminants of emerging concern such as physical/chemical characteristics, toxicity and legislative frameworks, water cycle entrance pathways and a database with associated possible mitigation methods. Monitoring data can be uploaded to assess environmental and human health risks in a specific water system. The developed system was received with great interest by potential users, and implemented in an international water cycle network. ©
Original languageEnglish
Pages (from-to)360-372
JournalJournal of Environmental Management
Publication statusPublished - 2017


  • Contaminants of emerging concern
  • Water quality management
  • Urban water cycle
  • Drinking water treatment
  • Wastewater treatment
  • Abatement methods


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