The main role of the CIPEL is to monitor the evolution of the water quality of Lake Geneva and its tributaries. On the basis of annual results, it issues recommendations to Swiss and French governments, encouraging them to take measures to combat the sources of pollution. An official Franco-Swiss organisation, the CIPEL contributes to the coordination of water policy for the Lake Geneva catchment area. It promotes public awareness of the importance of water protection. By financing specific scientific studies, the commission offers the possibility to acquire a better knowledge of the life of the lake and its rivers.