Switzerland France Germany Netherlands
Drinking water    

x

x

Process water

x

x

x

x

Irrigation      

x

Hydro-power

x

x

 

x

Amenity

x

 

x

x

Fishing water      

x

Navigation

x

x

x

x

Sewer

x

x

x

x

Figure 1 Spatial variations in the functions of the Rhine catchment area.