‘Schieland en de Krimpenerwaard’ is a regional water authority.

Its mission is to ensure dry feet and clean surface water in its catchment area which stretches from Rotterdam, Zoetermeer to Schoonhoven.

Within that area, Schieland en de Krimpenerwaard is responsible for flood control (maintenance of the dikes), water quantity (correct surface water levels), the quality of the surface water and the treatment of urban wastewater. Moreover ‘Schieland en de Krimpenerwaard is also responsible for the maintenance of some of the local roads in the Krimpenerwaard, but it is not responsible for drinking water production, the quality of swimming (recreational) water or the sewer system. These are the responsibilities of water supply companies, provinces and municipalities respectively.