Klaasjan Raat PhD

Senior scientific researcher
Project manager/Portfolio manager

030-6069555
Klaasjan.Raat@kwrwater.nl
06-53190810

SUBSOL

Coastal areas are the most productive and economically dominant regions of the world. The high water demand in these regions, however, puts tremendous pressure on their freshwater resources and ecosystems. This leads to problems like seasonal water…

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COASTAR: saline at bay, fresh on hand

Increasing water demand, climate change and rising relative sea-levels all contribute to salinisation in coastal areas, leading to shortages of freshwater for drinking water, agriculture, industry, nature and (urban) water management. This…

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Circular Water 2050

The project ‘Circular Water 2050 – impact and opportunities of the “fully circular in 2050” target for an urban water cycle falls under the WiCE ‘Efficient with Raw Materials’ research area. The project’s aim is to develop…

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Collaboration

Allied Waters

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Watershare

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Our expertises

Geohydrology

News

Article

Groundwater infiltration and recharge: what we know

17 June 2025 — KWR experts discuss the past, present and future of groundwater recharge and replenishment: one of the ways to…

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News

FRESHMAN researches use of brackish groundwater as new drinking water source

01 February 2022 — After two years of preparatory and construction work, on 31 January 2022 the pumps at the Dunea pilot…

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News

NWO funding for research on water in the circular economy: AquaConnect and ReCoVR

23 March 2021 — KWR will participate in two basic research programmes in the field of water and resource reuse. The two…

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News

Lumbricus Closing Symposium: How can we make raised sandy soils climate-robust?

15 February 2021 — On 3 March the four-year (2016-2020) Lumbricus programme will hold its governance closing symposium. As one of the…

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News

COASTAR contends for De Vernufteling innovation award

14 January 2021 — The COASTAR knowledge programme is a contender for the De Vernufteling public award. Votes can be cast starting…

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News

COASTAR, one of the water-future visions at the Rotterdam biennale

18 September 2020 — On 19 September, the International Architecture Biennale Rotterdam (IABR) opened with the exhibition ‘Drought in the Delta’, for…

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News

Dunea working on future-resilient freshwater supplies – FRESHMAN

14 July 2020 — Drinking water company and nature management authority Dunea has signed a subsidy contract with the European Union on…

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News

Water reuse and freshwater provision: connecting sectors

16 October 2019 — Having sufficient freshwater, for all users and uses. Always. In the Netherlands and Flanders this is becoming more…

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News

SALutions and COASTAR presented at International Symposium on Managed Aquifer Recharge

22 May 2019 — During the triennial International Symposium on Managed Aquifer Recharge (ISMAR) held in Madrid, KWR and Arcadis presented results…

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News

Large-scale freshwater provision in low-lying areas of the Netherlands through smart use of the subsurface

22 May 2018 — Water authorities, drinking water companies, knowledge institutes, consultant Arcadis, the Province of South Holland and the greenhouse horticultural…

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News

‘Subsurface storage’ wins H2O award for best specialised article

23 April 2018 — The specialised article, ‘Waterhergebruik en –berging met aquifer storage and recovery (ASR) op tuinbouwlocatie Nieuw-Prinsenland’ (‘Water reuse and…

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News

Sugar beet reuse water used to grow tomatoes

23 April 2018 — On 19th April, Erik van Merrienboer, Province of North Brabant Executive for Spatial Planning and Finance, officially opened…

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News

COASTAR: saline at bay, fresh on hand

13 July 2017 — In the COASTAR (COastal Aquifer STorage and Recovery) project that recently got underway, KWR, together with Deltares and…

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News

Replicating Dutch solutions with Allied Waters

31 December 2016 — In 2016 we collaborated in the COASTAR (COastal Aquifer STorage And Recovery) programme, which aims at a large-scale…

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Water Sector

Collaboration in knowledge and research programme Lumbricus formalised

15 December 2016 — The collaboration between the Ministry of Infrastructure and the Environment and a consortium of water boards, knowledge institutions…

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News

Watershare launches community on subsurface usage

10 October 2016 — Today Watershare launched its Subsurface Water Solutions Community of Practice at the IWA World Water Congress & Exhibition…

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News

Launch of Watershare’s Subsurface Water Solutions Community

19 September 2016 — At the 2016 IWA Congress in Brisbane, Watershare will be launching the Subsurface Water Solutions Community of Practice.…

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News

Subsurface as a solution for a robust freshwater supply

05 August 2016 — Using the subsurface to resolve water issues: it’s a well-known approach for the Dutch water companies, who…

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