Stefan Kools PhD

Manager
Scientific researcher
Project manager

030-6069539
stefan.kools@kwrwater.nl
06-46818786

Getting to grips with indirect discharges

Water authorities, environmental services and municipal authorities are increasingly seeing discharges of large quantities of chemical waste and other undesirable substances into the drains and therefore indirectly to surface water. That results…

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Trigger value data gaps I and II

There are a lot of advantages to testing water quality with in vitro bioassays but this technique can only be properly applied if the bioassay responses can be compared with ‘effect-based trigger values’ (EBT). This study determines…

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Toxicological risk assessment

The number of substances found in water is increasing all over the world. This is the result of a rise in the use of substances, but also of the increasing quality and precision of the measurement methods.…

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Big Data Epidemiology

The scientific literature reports on – sometimes contradictory – research results on the relationship between the quality of drinking water and public health. For example, the relationship between water hardness and the incidence of cardio-vascular disease, between…

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Nitrogen labelling

Among the reasons analytical chemistry is important for the drinking water sector, is the latter’s need for unequivocal identification of nitrogenous by-products and for toxicological risk assessment of the formed products. The objective of this project is…

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Our expertises

Chemical water quality

News

Blog

Advancing the BioActivity Database: Highlights from the NORMAN Workshop

01 December 2025 — On 12 November 2025, KWR and partner institutes organised a dedicated workshop during the NORMAN WG2 meeting to…

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Blog

Dutch-Finnish Collaboration on Water Quality

15 October 2025 — From Sunday 5 October to Wednesday 8 October 2025, the Advisory Group on Water Quality embarked on a…

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Blog

Persistent and mobile – KWR joins ZeroPM’s workshop in Dessau, Germany

03 October 2024 — KWR participated in the ZeroPM consortium’s 2nd workshop on September 19-20, 2024, in Dessau-Roßlau, Germany. The event was…

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News

Pharmaceutical residues on the radar of the water sector

09 October 2023 — PhD research at Radboud University offers water sector tools to better assess pharmaceutical residue risks.

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News

Effect-based monitoring is ready for deployment in water safety planning

03 October 2022 — It is possible to use bioassays for monitoring water safety. To bring this effect-based monitoring to application, end-users,…

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News

Do microplastics have an effect on our bodies?

07 June 2021 — Working with other research institutes and business, KWR is moving ahead with a three-year study of micro- and…

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News

SETAC honours Pim de Voogt with Emeritus Membership

04 December 2020 — The Society of Environmental Toxicology and Chemistry (SETAC) has accorded Pim de Voogt its Emeritus Membership award. This…

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Blog

Norman network: European exchange of information about emerging contaminants

04 December 2017 — The NORMAN network enhances the exchange of information on emerging environmental substances, and encourages the validation and harmonisation…

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Blog

Water and sanitation, the Dutch Way

27 November 2017 — In the coming years, Bosnia Herzegovina will make important steps towards EU candidacy. With the help of funds…

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Water Sector

Research into microplastics in Dutch water

07 September 2017 — On 6 September The Guardian published an article on research into plastic fibres in tap water. The research…

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Blog

About my first time ‘interactive vlogging’

05 July 2017 — Presenting at conferences is exciting. Sometimes I travel far and meet interesting new people. Like last November, when…

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