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Rainwater flooding and lack of storage capacity

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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 Waterbucket is a prefab concrete box that stores rainwater during peak precipitation. Therafter, the water can infiltrate into the ground, or be discharged. The Waterbucket is insensitive for contaminations due to the large cavity and use of robust infiltration mats. Also, this makes the system easily cleaned.



  • Long life span, >50 years.
  • Can be placed in a short period.
  • Suitable for all traffic, even with minimal ground coverage.
  • Easily expandable or connectable.
  • Reusable.
  • Accessible for cleaning and inspection.
  • Available in different sizes.
  • Insensitive for contaminations.


  1. Topic Urban water
  2. Development state 9: Successfully used in operational situation
  3. Setting type Urban area
  4. Water type Rainwater
  5. Project period 0-3 months