EN 
DE Flood retention basin, Dortmund-Ellinghausen
As part of the ecological reorganisation of the main course of the Emscher, the Emschergenossenschaft is having a flood retention basin (HRB) built in the Dortmund district of Ellinghausen. In future, the "HRB Ellinghausen" is to provide a total retention area with a retention volume of approx. 1.5 million m³ in conjunction with the neighbouring "HRB Mengede". With an excavation area of almost 25 hectares, an excavation volume of [...]
