The concrete spire passes through a wide disc holding water fifty metres above the ground.

Topped by a decorative stainless steel tube, it is claimed to be the highest water tower in the world.

In March 1977, the City commissioned a design for a water tower with telecom purposes from local engineering firm ITH, who contacted Professor Fernand Mortelmans (University of Leuven),[2] who had been involved with the water tower at Mechelen's northern industrial estate.

It supports a tall conical hollow shaft of reinforced concrete which rises 120 m above ground level.

Around it, the water tank was constructed in prestressed concrete at ground level: Stiffness is provided by 0.35-metre-thick (1.1 ft) walls, which subdivide it into sixteen sectors.