Scharnhauser Park in Stuttgart is an area of ecological residential buildings. Its design incorporates an inventive and economical rainwater management system. This system maintains rainwater on the surface, enhancing the visual appeal of the streetscape with attractive detailing. Simultaneously, it captures and filters runoff through a network of stepped technical multipurpose parks and tree-lined boulevards.
The rainwater has been completely separated from the previous combined water sewer. Instead, it follows a designated path when not retained in private storage tanks or roof gardens or absorbed through water-permeable surfaces. This pathway involves a series of channels and ditches running alongside the streets. This aspect of the design is integral to the rainwater management initiative: beneath the steps, a living bottom zone works to further purify water within additional retention hollows and pools.
The treated water, now cleansed and delayed through this process, is naturally directed into the adjacent landscape with its valuable wetlands, biotopes, and spring areas. This ecological infrastructure not only provides appealing spaces for children to play and adults to live but also makes a significant and beneficial contribution to the overall watershed management of Stuttgart.
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