The 11 here established water boards (Aggerverband, Bergisch-Rheinischer Wasserverband, Emschergenossenschaft, Lippeverband, Erftverband, Linksniederrheinische Entwässerungsgenossenschaft (LINEG), Niersverband, Ruhrverband, Wahnbachtalsperrenverband, Wasserverband Eifel-Rur, Wupperverband) have their historical starting point in the industrial developments in the 19th century and are always public and non-profit organisations.
The water boards (Aggerverband, Bergisch-Rheinischer Wasserverband, Emschergenossenschaft, Lippeverband, Erftverband, LINEG, Niersverband, Ruhrverband, Wahnbachtalsperrenverband, WVR, and Wupperverband) have their historical origins in 19th-century industrial developments and are always public and non-profit organizations.