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The Challenge
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The Challenge

Organize (waste) water management more efficiently


Organize (waste) water management more efficiently

Fresh and clean water is essential for healthy people and ecosystems. Increasingly, however, the quality of our (waste) water is under strain: Due to hotter summers and low groundwater levels, the supply of fresh water is becoming a problem in some regions of Europe; in almost all regions, the quality of wastewater is increasingly deteriorating due to agriculture, medicines and nitrates. Infrastructure problems such as leaking pipes or burst pipes, as well as heavy rainfall and sewage overflows, are exacerbating these problems.

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Low water levels, like here on the Rhine, are an increasing problem in hot summers.

Against a backdrop of increasing urbanization and a likely rise in water scarcity, municipalities should seize the opportunity now to make their water systems fit for the future. Various data-driven methods can be used to improve infrastructure and make water supply more efficient. Water and wastewater should be considered together as areas of public infrastructure. This integrative approach is also reflected in the EU's Water Framework Directive (WFD), which regulates the quantitative and qualitative water supply in the EU states.


  • Real-time monitoring of wastewater systems using smart sensors to monitor the wastewater network and respond quickly to problems.
  • Data-driven optimization of water treatment facilities, e.g. through analytics and data models.
  • Creating drainage solutions in areas frequently affected by flooding, such as underground tanks.
  • Improving wastewater treatment for reuse as drinking or industrial water.
  • Education campaigns for citizens on the proper disposal of waste to reduce the burden on wastewater systems.


  • Securing the water supply.
  • Improving human health as well as ecosystems.
  • Safer and more efficient wastewater infrastructure reduces expenses and energy consumption.


Smart wastewater networks

Smart wastewater treatment

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Open Weather Map API

Wetter: Vaisala WXT530 Sensor zur Erfassung wichtigster Wetterparameter - Zum Beispiel: Wind, Niederschlag, Temperatur, Feuchte, Luftdruck


Which SDGS are addressed?

In order to create globally sustainable structures, the member states of the United Nations have set themselves 17 goals by 2030, which are set out in the 2030 Agenda for Sustainable Development.

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In the Open Urban Data Community, municipal actors can network with each other, engage in conversation, and work together on implementations. Benefit from the cost-free formats for the community!

You would like to be a part of the community?

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Adoptable realizations

Already successfully realized by community members or currently being implemented:
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Freiburg - Live traffic visualization

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Mönchengladbach - Monitoring e-parking

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KDW - Conception of a municipal data works

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ASCEND research project clean energy districts

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Shared Mobility Dashboard for Cologne

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Mainz - Improve e-parking

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