Emschergenossenschaft

The Emschergenossenschaft is the oldest and biggest public German water board, („Wasserwirtschaftsverband”) located in Essen (North Rhine-Westphalia/Germany) and responsible for the 865 km² Emscher catchment with 2.2 million citizens. In Europe‘s largest urban area, between Dortmund and Duisburg as well as in the northern perimeter of the Lippe region, The Emschergenossenschaft offers modern, cost-effective water management that covers a broad range of responsibilities as sewage treatment, care and maintenance of waterways, natural remodelling of open waste water canals, flood protection, regulation of water flow and management of groundwater and rainwater Provided by Wikipedia