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Two different beakers with water
(decorative): Two beakers of different sizes filled with water, light enters from the side

Projects

Our database contains all of TZW’s ongoing research projects and completed projects up to 2010. By filtering by category or time you can find the specific topic you’re looking for.

Our database contains all of TZW’s ongoing research projects and completed projects up to 2010. By filtering by category or time you can find the specific topic you’re looking for.

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Finding the ideal data sources online can be challenging. Source: Pixabay - Merhan Saeed
Resource protection
How to integrate climate aspects into risk management (RisTkli)

The amended German Drinking Water Ordinance requires water suppliers to implement risk management, explicitly calling for the consideration of risks arising from climate change. The new project by TZW and the German Environment Agency (UBA) addresses…

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Sampling of groundwater
Resource protection
Assessment of nitrate contamination in groundwater (ArNO)

The revision of nitrate comtaminated areas (so-called "Rote Gebiete") is currently the subject of debate. In some areas, farmers and water suppliers question the methods used to identify and mark out areas contaminated with nitrate, in which strict…

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Dreisam near Freiburg
Resource protection
Consequences of heavy rainfall and dry periods (RiQO)

In order to counteract future negative impacts of extreme weather events on the water quality of stream waters, practical prevention and management concepts are needed. For this purpose, the RiQO project investigates water quality changes caused by…

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Water supply is facing great challenges (JuergenM on Pixabay)
Abgeschlossen-2025
Resilience in water supply (ResilJetzt!)

Regional temporary shortages and climate impact assessments are making it increasingly clear that local to supraregional adaptation strategies are necessary for water supply. The ResilJetzt! project therefore examined the status quo and identified…

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Resource protection
Impact of climate change on groundwater availability in Germany (GW-Impact)

To investigate the increasing spatio-temporal variability of groundwater recharge in the future, both locally and regionally, and its specific effects on groundwater resources in Germany, local numerical groundwater models from different regions of…

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Corporate Value Chain (Scope 3) Standard | GHG Protocol
Abgeschlossen-2023
Climate neutrality in drinking water supply (Carb(H2O)N)

In these days, climate neutrality is becoming a major topic and is also gaining importance in the drinking water supply sector. In the project, basics, definitions and applications to drinking water supply were evaluated.

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Clean drinking water must continue to be secured. (Image: Katja Just on Pixabay)
Practical projects
Resource Protection and Risk Management in Drinking Water supply (ResiTrink!)

The new EU Drinking Water Directive calls for increased resource protection and risk management both in the catchment area of drinking water abstraction abstraction as well as for water supply facilities. The directive was incorporated into national…

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Arable farming growing vegetables in Rhineland-Palatinate
Abgeschlossen-2023
Distribution of Water in the Field of Conflict between Water and Agriculture (VERTIKAL)

VERTIKAL analyses the increasing potential of conflict between drinking water supply and agricultural irrigation. Based on this, approaches and procedures are developed for managing conflicts of use over the limited resource of water.

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(Image: Stephan Wasiliewski)
Abgeschlossen-2024
New water resources and innovative wastewater treatment (Newa-Lima)

The technology of managed aquifer recharge (MAR), which has been proven in Germany, was introduced in Peru as a nature-based solution. Its potential for the cost-effective supply of high-quality industrial and drinking water in densely populated…

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Dam and withdrawal tower of a drinking water reservoir
Abgeschlossen-2023
Effects of climate change on water quality (KLIWAQ)

The effects of climate change on the quality of raw water resources were investigated. In addition to the vulnerabilities of the various water resources, recommendations for action were identified.

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Recent extremely dry summers have been posing new challenges for the water supply in some German regions (Chris Weiher on Unsplash.com)
Abgeschlossen-2024
Multi-sectoral waterdemand and regions of water shortage in Germany (WatDEMAND)

Climate change has arrived in Germany and poses new challenges for water suppliers. WatDEMAND analysed which impacts climate change will have on water demand in Germany and where new regions of water shortage might emerge.

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Inspection of the Villiersdorp sewage treatment plant, South Africa
Resource protection
Climate Resilience, Sanitation and Water Safety (KreATiw)

In the KreATiw project, experiences from South Africa are used to successfully adapt existing risk management approaches for drinking water supply and wastewater disposal to climate change. In South Africa, water scarcity is already a severe problem,…

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