How much of the Netherlands is affected by the problem regulated by the Hoogheemraadschap van Rijnland?
Hoogheemraadschap van Rijnland The Hoogheemraadschap van Rijnland is the oldest water board of the Netherlands, having received its first commission to protect the land from flooding back in 1248 from William II of Holland. It conducts water control activities in the general area known as Rijnland. The Netherlands has 27 Waterboards or "Waterschappen" acting independently from the National government administration to manage the continuing Dutch struggle against water.
Nieuw-Vennep Nieuw-Vennep is a town in the Dutch province of North Holland. It is a part of the municipality of Haarlemmermeer, and lies about 10 km southwest of Amsterdam Airport Schiphol. It has about 31,300 inhabitants, half of which live in the newly built district of Getsewoud. The built-up area of the town was 3.71 km, and contained 7,513 residences. The wider statistical area of Nieuw-Vennep has a population of around 40,000. In 2001, Nieuw-Vennep had 17,886 inhabitants, which later doubled due to the development of Getsewoud.