This initiative, part of a broader project to protect the Chârnoi and its surroundings, has a dual objective: to improve water management to reduce flood risks and to preserve the natural environment by limiting waste input. The device, placed at the outlet of a pipe, captures macro-waste such as plastics, cans, and packaging, while allowing water to flow normally. A connected monitoring system allows for remote checking of the fill level and signals when intervention is needed.
Unlike direct installation in the watercourse, the sock is positioned on a separate pipe, thus ensuring the free movement of aquatic fauna. This method is considered a potential first in Wallonia, although similar systems are already in use in France and Luxembourg.
The installation is currently undergoing an experimental phase. Its effectiveness will be evaluated based on the quantities of waste collected, its performance during rainfall events, and its maintenance requirements. If the results are conclusive, the municipality may consider deploying similar devices at other sites within its territory, following a case-by-case study.
