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Water shortage

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Water shortage

There is a lack of adequate quantities of water of a sufficient quality.

In the Netherlands, the number of suitable underground freshwater sources decreases. This has a variety of reasons, such as the occurrence of salinization and soil contamination by over-fertilization and plant protection products.



Hemel(s)water is a system that produces clean drinking water out of rainwater. By using membrane filtration, rainwater is locally purified and stored.



  • Own production of drinking water.
  • Less pressure on the sewage system due to the retention of rain water.
  • Sustainable drinking water production.
  • Waste water treatment plant will work more efficiently due to higher concentrations of pollution, due to less mixing with rainwater.
  • Prevention of nuisance during extreme rainfall.


  1. Topic Water chain
  2. Development state 7: System prototype demonstration in an operational environment.
  3. Setting type Rural area
  4. Water type Rainwater
  5. Project period 0-3 months