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Rain is a valuable

We engineer, supply and maintain compact water treatment systems. Powered by nature. 




If we tell you that freshwater is the most valuable asset on earth, would you agree?

Healthy water systems are fundamental for our lives: to secure food and drinking water production, clean air, social and economic welfare, even for our health and happiness. But due to climate change and rapid population growth, communities around the world are challenged to keep the water cycle in balance. Our mission is to enhance the quality of the urban environment by managing water in a meaningful way. With our solutions, we aim to transform the entire urban water infrastructure into a decentralised grid of circular water systems. By 2030, the water demand in cities will be supplied by a portfolio of local, clean water sources, powered by nature. Let us tell you how.




We develop and deliver integral solutions to collect, treat, store and reuse rainwater on your site. With great attention to spatial quality, our systems fit beautifully wherever they are installed!


Latest news

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Starting a pilot for rainwater retention and reuse in Valladolid Football Stadium, Spain

Our first steps abroad! We are conducting a feasibility study for the implementation of a pilot for rainwater reuse at Zorilla Football Stadium in Valladolid, Spain.

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Active groundwater management in Klapwijk, Pijnacker Nootdorp.

When infiltrating water to maintain the groundwater level, you are dependent on the availability of water. We are working with the city of Pijnacker-Nootdorp on a pilot to collect, retain, treat and infiltrate rainwater in a deep soil layer and using it in times of drought to tackle subsidence in Klapwijk.


Our CEO Karina Peña in the Top 50 Young Talent 2019 of Het Financieele Dagblad

Karina has been selected by the daily business newspaper Het Financieele Dagblad as Young Talent of 2019. Read the interview with Josta van Bockxmeer, where she explains how we help cities manage rainwater. (in Dutch)