Fifty-Fifty

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Water Storage in Deep Groundwater

"Water Storage in Deep Groundwater" is a technique to prevent urban flooding by allowing excess water to infiltrate in deep groundwater layers.




Sketch of the principle of Water Storage in Deep Layers. (Source: Netherlands)


Download flyer of evaluated practice example (Netherlands):


water-storage_eval-prac_netherlands.pdf

Internet links:


  • www.iftechnology.nl (in Dutch only)
  • www.netserver2.net/waterforum (in Dutch only)

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    Short description of measure

    Problem to be solved: Urban flooding

    Goal, potential objective: Water retention (can be combined with heat exchange); the stored water can easily be used in times of drought

    Developmental steps: Identification of suitable areas; check governmental regulations

    Instruments, implementation mechanism: Water plan

    Area of implementation: Local, regional

    Responsibilities: Local authority

    Time horizon: Short term

    Economic aspects: Less space needed for retention; possibility for heat exchange with the groundwater; improvement of water quality

    Promoters, obstacles, risks: Pollution of deep groundwater

    Side effects: Stored water can be used in dry periods

    Bridge to mitigation: Less use of fossil fuels due to less heating in winter and less cooling in summer