In co-operation with the authorised water collection agencies, the SPGE (Public Water Management Company) undertakes and finances the necessary operations to protect the water supply collection points from pollution such as, for example, nitrates or fuel spills.

This task is financed by a levy currently fixed at 0.10 Euro per cubic metre.

The investment planning for these operations is as follows :

The larger water supply companies all have their own certified laboratories which take daily samples.

Up-to-the-minute high-tech checking equipment guarantees that the strict legal water standards derived from the relevant European directives are respected.