Water board (Netherlands)
In the Netherlands, a water board, water council or water authority (Dutch: waterschap or heemraadschap) is a regional governing body solely charged with the management of surface water in the environment, acting independently of administrative governing bodies like provinces and municipalities. In general they're responsible for managing rivers and canals, flowing watercourses and drainage issues, water collection, preventing of flooding and erosion and take care there's enough water for citizens. More specific they manage polder systems, water levels, water barriers and locks, enforcements, water quality and sewage treatment in their respective regions. The concept of a coordinating "High Water Authority" (Hoogheemraadschap) origins in what now is the province of South Holland in the 12th century.