An institution of DVGW
Water glass is filled

Research Consulting Testing

Water is one of the bases of the earth's existence. At TZW we get right to the heart of this special substance.
The TZW profile

Water is one of the bases of the earth's existence. At TZW we get right to the heart of this special substance.
The TZW profile

Nanofiltration and reverse osmosis systems

Consulting with high expertise

We develop practical solutions based on extensive research for our customers in the water sector.
TZW solutions

We develop practical solutions based on extensive research for our customers in the water sector.
TZW solutions

Innovations for the water sector

Our research identifies the challenges of the future and is implemented in targeted projects, making it future-proof.
TZW research​​​​​​​

Our research identifies the challenges of the future and is implemented in targeted projects, making it future-proof.
TZW research​​​​​​​

different coloured and shaped plastics in water

Testing and evaluation

We perform analysis, evaluation and testing in our accredited laboratories and the Test Centre.
TZW laboratory
TZW test centre

We perform analysis, evaluation and testing in our accredited laboratories and the Test Centre.
TZW laboratory
TZW test centre

Employees from various departments

For the future of water

In an open working atmosphere, we work in interdisciplinary teams for the water supply of today and in the future. 
TZW job offers

In an open working atmosphere, we work in interdisciplinary teams for the water supply of today and in the future. 
TZW job offers

About TZW: DVGW-Technologiezentrum Wasser (German Water Centre)

TZW is one of the world's leading water institutes. We are driven by the desire to create a sustainable and future-proof water supply for generations to come. From the protection of water resources to drinking water from the tap, we focus on the entire water cycle. As a competence centre for water, we bridge the gap between research and practice. Around 200 employees develop innovative solutions and support our customers in the water sector. TZW is part of DVGW - German Technical and Scientific Association for Gas and Water - and thus a non-profit and independent institution.

News

The standards for materials in contact with drinking water will be harmonised across the EU in future.
We are prepared: Materials in contact with drinking water will in future have to comply with EU regulations

Drinking water in Germany is of the highest quality, which is regulated by the Drinking Water Ordinance and the Technical Regulations for Water and ensured by the water supply companies. Less well known is the fact that materials that come into…

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Image: Kevin Grieme/Unsplash
Annual report 2024 shows continued positive performance

The year 2024 was a record year for onshore wind energy in Germany, as recently reported. However, excellent results can also be achieved with expertise in the topic of water. This is demonstrated by TZW's development and key figures over the past…

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Groundwater sampling
Groundwater sampling
Research project evaluates methods for assessing nitrate pollution in groundwater

The aim of the ArNO groundwater project is to test and evaluate methods used to assess nitrate pollution in groundwater. To this end, literature research as well as practical investigations in the field and laboratory are carried out.

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Meeting of the GWRC Board of Directors 2023 in Singapore
Meeting of the GWRC Board of Directors 2023 in Singapore
Global issues in water research: GWRC publishes overview of its activities

The Global Water Research Coalition (GWRC) has published its summary of activities in 2023 and 2024. This overview provides valuable insights into the current global trends, problems and solutions that are of paramount importance for a sustainable…

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Wastewater monitoring diagram
Wastewater monitoring diagram
SARS-CoV-2 wastewater monitoring: successes and future prospects

Since the beginning of the pandemic, nationwide wastewater monitoring for SARS-CoV-2 has made a decisive contribution to monitoring the incidence of infection. Wastewater monitoring has been carried out at TZW in Karlsruhe since 2020, most recently…

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The water chemistry laboratory at TZW has been analysing and evaluating PFAS for many years.
The water chemistry laboratory at TZW has been analysing and evaluating PFAS for many years.
PFAS in drinking water: Legal regulations are only partially realisable for water analysis

In the recast 2020 EU Drinking Water Directive and the German Drinking Water Ordinance (Trinkwasserverordnung) from 2023, parametric values for per- and polyfluoroalkyl substances (PFAS) have been set for the first time. These non-natural,…

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Videos

TZW – Videos
TZW – For the future

Get to know TZW in 186 seconds. Just click the play button.

Introducing the TZW test centre

The video offers exciting insights behind the scenes of the TZW test centre.

Our solutions for you

Water analysis

Products and devices

Treatment technologies

Micropollutants and microorganisms

Drinking water distribution

Risk management

Drinking water catchments and resources

Contaminated sites

Digitalisation

Practical projects

Projects

Sampling with filtration cascade in the waterworks
Sampling with filtration cascade in the waterworks
Water chemistry research
Microplastics in drinking water supply (MiTri)

As part of MiTri, reliable data on the occurrence of microplastics in the drinking water supply - especially in drinking water distribution networks -…

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LC-TOF mass spectrometer
Analysis of water samples using an LC-TOF mass spectrometer.
Water chemistry research
Artificial and collective intelligence for trace substance tracking (K2I-Xplore)

The project combines water analysis with data science and creates an innovative tool for water utilities through the advancement of the "K2I trace…

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Detection of E. coli/coliform bacteria on CCA-plates
Microbiology
Aeromonads in the drinking water supply (Aeromonads)

Aeromonads as presumptive colonies in the detection of E. coli/coliform bacteria can cause discussions with health authorities about their possible…

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Talsperre Kleine Kinzig
Drinking water reservoir in the Black Forest - a place of natural biodiversity and ecosystem services
Microbiology
Molecular biology and AI in biodiversity research (IQ-Water)

Due to climate change, pollution and invasive species, reservoirs and lakes are confronted with a loss of near-natural biodiversity. The IQ-Water…

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Soil samples from the field site Reilingen
Water chemistry research
Innovative modular system for sustainable reduction of PFAS contaminants from soil and groundwater (PFClean)

The removal of per- and polyfluorinated substances (PFAS) from groundwater and soil requires elaborate remediation strategies. In this project, four…

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International-2024
Zero Pollution of Persistent, Mobile substances (ZeroPM)

Persistent, mobile (PM) substances are being recognized as serious threats to the safety of water resources. In many cases, drinking water supplies…

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More projects

Database

Erlenmeyer flask with transparent liquid and coloured polymers
Sealed Erlenmeyer flasks with transparent liquid and different coloured polymers.

Here you can find our research projects

Our sites

Karlsruhe

TZW
DVGW-Technologiezentrum Wasser (German Water Centre)
Karlsruher Strasse 84 
76139 Karlsruhe 
 
Tel.: +49 721 9678-0 
Fax: +49 721 9678-101
Send e-mail

Karlsruhe Test Centre

TZW
DVGW-Technologiezentrum Wasser (German Water Centre)
Wasserwerk Durlacher Wald
Wasserwerkstrasse 4 
76137 Karlsruhe

Tel.: +49 721 93163-0
Fax: +49 721 93163-99
Send e-mail

 

Dresden

TZW
DVGW-Technologiezentrum Wasser (German Water Centre)
Wasserwerkstrasse 2 
01326 Dresden 

Tel.: +49 351 85211-0 
Fax: +49 351 85211-10
Send e-mail

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