Visit Lynetten Wastewater Treatment Plant – Denmark’s largest treatment facility and a striking example of functional, technical concrete architecture in the Brutalist style from the 1970s.

It was constructed on reclaimed land near the Lynette Fort, just north of Refshaleøen in Copenhagen. The project began in 1973 as part of efforts to improve wastewater treatment in the Greater Copenhagen area and to meet the requirements of the new Environmental Protection Act of 1974. Today, the facility—alongside Avedøre and Damhusåen treatment plants—treats wastewater for 1.2 million Copenhagen residents.

Where does our wastewater end up?

During the guided tour, you’ll learn about the three water treatment stages: mechanical, biological, and chemical. You’ll also see how BIOFOS utilizes the energy and resources found in wastewater, and hear about the buildings, which came into use in 1980.

The harbor is evolving and expanding, and from the treatment plant, you'll get a unique perspective on its development—including the ongoing construction of Lynetteholm. The tour will also touch on local biodiversity in the surrounding area.

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Registration is required.

Closed-toe shoes and long pants are mandatory. All visitors must wear a helmet and safety vest, which will be provided on site.