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Wetsus Congress 2021

oktober 4, 2021 - oktober 5, 2021

During the Wetsus Congress on October 4 and 5, 2021, you can meet your network in person again!

After the announcement of the relaxation of the COVID regulations in The Netherlands, we can organize the Wetsus Congress 2021 as you know it from before: in person.

On October 4 and 5 you can finally meet your water technology network again, enjoy our program and visit the demonstration floor.

The Dutch government will lift the 1.5 meter rule from September 25.  From this date, the coronavirus entry pass system must be used at events. You can generate a coronavirus entry pass if you have been fully vaccinated, have valid proof of recovery from COVID or have a negative test result from a test taken less than 24 hours before entry. You need this, and a valid ID, to enter our venue, theatre De Harmonie. More info (in Dutch and in English)

We want to emphasize that in Theatre De Harmonie,  there is plenty of space to keep distance, should you feel more comfortable doing so. If you have any questions, please contact

Read more about our interesting program and registration!

Innovation for a fair and sustainable society is the theme of the Wetsus Congress 2021. The congress will be held in city theatre De Harmonie in Leeuwarden. On Monday October 4, the theme will be addressed by speakers with various backgrounds, business, science and governmental perspectives will be highlighted. Tuesday October 5 is all about science. The parallel sessions are based on Wetsus’ scientific program.

A demonstration and networking floor is also part of the congress. If you want to present your company, contact

Check out our interesting program below!


oktober 4, 2021
oktober 5, 2021


Bekijk de site van Organisator