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Blue-green algae

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Water pollution

Damage to nature and environment caused by pollution of water.

An excess of nutrients causes blue-green algae in the Paterwoldsemeer, which negatively influences the water quality.


The Ecowatch

The Ecowatch is a field monitor to remotely measure the surface water quality. It takes constant measurements of the water quality and sends these via the Internet. This allows the Water Authority to learn about the development of blue-green algae and perform a more economically sound water management.

De Ecowatch


  • Increased risk assessment.
  • Allows to take measures earlier.
  • Improved informing of the public and stakeholders.


  1. Topic Water quality
  2. Development state 7: System prototype demonstration in an operational environment.
  3. Setting type Lake area
  4. Water type Surface water