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Rainwater flooding

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Rainwater flooding

Flooding due to heavy rainfall or high surface water levels.

In urban area, space for green facilities is limited, therefore underground solutions are used. However, these are often not easily inspected or cleaned and require a lot of coverage.



The Watertable is a prefab concrete system that can store, and when possible infiltrate, large quantities of water. It consists of 3 elements allowing flexibilty in lentgh, width and height. A space of 1m1 between the pillars makes the Watertable easily accessible for cleaning and inspections. When the system may no longer be required, it can easily be relocated.
Watertable infiltratiekelder verminderd wateroverlast hemelwateroverlast waterberging infiltratie


  • Large storage capacity.
  • Suitable for all traffic, even with minimal ground coverage.
  • Modulair, circulair and reusable.
  • Long life span; >50 years.
  • Accessible for cleaning and inspection.
  • Available in different sizes.
  • Can be placed in a short period.
  • Insensitive for contaminations.


  1. Topic Urban water
  2. Development state 8: System completed en qualified
  3. Setting type Urban area
  4. Water type Rainwater
  5. Project period 0-3 months