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About us

About us

In 1997 Rene Kilian graduated at Wageningen University in environmental sciences with a thesis on closing the water loop on household level. Before that he went to the Findhorn Foundation in Scotland were he worked on the Living Machine, a constructed wetland system for sewage treatment. This inspired him to start Kilian Water in the Netherlands.

In 2000 Rene moved to Denmark to start again and has become the Danish market leader in constructed wetlands ( and Kilian Water in the Netherlands was taken over by Gerrit Box and Caspar Bosma, both alumni from Wageningen University in the field of wastewater treatment.

Until today Gerrit Box is in charge of Kilian Water in the Netherlands and our activities have crossed many borders. All our efforts are directed towards closing water loops as much as possible on a local scale. Rainwater harvesting and infiltration and the treatment and preferably reuse of locally, by means of costructed wetlands, treated wastewater. 

The formula of slow sustainable growth by exclusively tailor made system design still works. Our list of bidders includes municipalities, companies, NGO's, individuals and universities. Potential bidders are assesed regarding their expectations and desires. Luckily we so far manage to attract a very fine breed of people who seek our assistance.