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Solutions
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Water analysis Conducting and evaluating physical-chemical and microbiological water testing in accordance with the German Drinking Water Ordinance and other relevant legal regulations.
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Testing of products and devices Initial testing of products and materials in contact with drinking water. Our Test Centre is accredited for more than 200 different product standards according to DIN EN ISO 17025. Test and develop UV technology.
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Treatment technologies Develop sustainable water supply concepts. Implement, monitor and optimise new technologies. Test and further develop existing treatment methods.
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Micropollutants and microorganisms Develop and improve the method of determination using cutting-edge equipment. Investigate the presence, behaviour and retention of inorganic and organic micropollutants in the water cycle and drinking water treatment.
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Network management and drinking water installation Microbiological quality change, deposit formation and cleaning and optimisation of the distribution network operation. Evaluate and analyse corrosion damage.
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Risk management Support for water supply companies to establish a Water Safety Plan. Benefit from our extensive expertise.
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Environmental biotechnology and contaminated sites Evaluation of the decomposition potential at contaminated locations. Development of sustainable ways to eliminate pollutants from the environment. Employ a combination of microbiological and technical methods.
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Research
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Resource protection Protection of water resources, risk management in water catchment areas
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Environmental biotechnology Technical and biological methods for the elimination of microorganisms, microbiological degradation processes
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Microorganisms Developing and applying reliable and sensitive detection methods, evaluating disinfection and treatment measures
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Micropollutants Determination of micropollutants, transformation products and microplastics reliably and sensitively, investigate behaviour in the water cycle, qualified risk assessment
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Waste water and water cycle Use of biological decomposition, developing integrated water supply and waste water management concepts
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New technologies and products Testing and optimizing processes and products to treat, disinfect and post-process drinking water for efficiency, security and robustness
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Asset management and infrastructure Development of management strategies and innovative tools to evaluate the condition of the supply network and its components
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Safety and security, digitalisation and management Digital transformation in public drinking water supply, increase the safety and security of drinking water supply
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- Projects
- About TZW
- Information

TZW NEWS
Subscribe to our English newsletter and receive regularly news from the TZW. Click here to register.
Subscribe to our English newsletter and receive regularly news from the TZW. Click here to register.

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

Consulting with high expertise
We develop practical solutions based on extensive research for our customers in the water sector.
We develop practical solutions based on extensive research for our customers in the water sector.

Innovations for the water sector
Our research identifies the challenges of the future and is implemented in targeted projects, making it future-proof.
Our research identifies the challenges of the future and is implemented in targeted projects, making it future-proof.

Testing and evaluation
We perform analysis, evaluation and testing in our accredited laboratories and the Test Centre.
We perform analysis, evaluation and testing in our accredited laboratories and the Test Centre.
About TZW: DVGW-Technologiezentrum Wasser (German Water Centre)
TZW’s comprehensive research activities and practical experience form the basis of solutions and concepts for all areas of national and international water management issues. These range from resource protection to water catchment and treatment to the water supplying consumers' taps. About 200 highly qualified staff members cooperate closely with water utilities, companies, expert authorities, and universities. TZW supplies reliable figures, data and facts, and creates solutions for a sustainable water supply. Part of DVGW - German Technical and Scientific Association for Gas and Water, TZW is a non-profit and independent institution.
TZW is there for you
Protecting the health of our employees is our highest priority. To stem the spread of the coronavirus (COVID-19), many colleagues are currently working in home office. Availability by e-mail and telephone remains uninterrupted. As usual, we are ready to support our customers with our entire competence and with our complete analysis, testing and consulting services. Stay healthy and take care of your surrounding and yourself!
News
New evaluation criteria of the KTW-BWGL mandatory from 21 March
The evaluation criteria for plastics and other organic materials in contact with drinking water (KTW-BWGL) is to gradually replace the previous KTW guidelines. The KTW-BWGL will be mandatory from 21 March 2021. Due to the Corona pandemic,…
Read moreThe Digital Water Utility of the Future
How can water utilities gain profit of new digital technologies and what will they look like in the future? The Global Water Research Coalition (GWRC) currently published a report that lays out the many opportunities the digital age offers water…
Read moreNew project for the inspection of drinking water pipelines during operation
Optical inspection systems are already in widespread use in the wastewater sector. A recently launched DVGW research project is to explore the potential of optical-acoustic systems for drinking water pipelines from October 2021.
Read moreFuture-oriented reorganisation
TZW is starting 2021 with a new, future-oriented organisational structure. At the end of the year, two long-standing heads of department retired. "We have used the change in personnel to make the organisation at TZW leaner overall and thus more…
Read moreWater knows no borders
Just as water bodies transcend borders, research topics are dealt with on an international and interdisciplinary basis. TZW: DVGW-Technologiezentrum Wasser (German Water Centre) is therefore a member of international associations for water research…
Read moreSino-German Water Supply Network (SIGN)
The Sino-German Water Supply Network (SIGN) is a joint project that has been running since 2015 with BMBF (Federal Ministry of Education and Research) funding and is already in its second phase. A recently published special issue of the journal…
Read moreTZW NEWS
The digital newsletter TZW NEWS reports regularly in a compact form on ongoing projects as well as on new publications and events. To subscribe to the English edition, please click on the button.
TZW – For the future
Projects
Nitrate Monitoring 4.0
The nitrate distribution in groundwater represents a highly complex, spatially and temporally highly variable pattern, which shows a pronounced…
Read moreWastewater based Epidemiology
SARS-CoV-2-biomarkers can be used to detect changes in the course of infection at an early stage and to estimate the number of undetected COVID-19…
Read moreFIWARE4Water
Fiware4Water intends to connect the water sector to the IT platform FIWARE. Several interfaces and tools will be developed for the benefit of all end…
Read moreUltrafiltration as an element of energy efficiency in drinking water hygiene (Ultra-F)
The aim of the project is the holistic and systematic investigation of drinking water installations on the lab scale, in pilot plants and in field…
Read moreSino-German water supply network (SIGN2)
In the follow-up project SIGN2 and in collaboration with scientific and industrial partners, German water technologies and management concepts are…
Read moreOur sites
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
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
TZW
DVGW-Technologiezentrum Wasser (German Water Centre)
Wasserwerkstrasse 2
01326 Dresden
Tel.: +49 351 85211-0
Fax: +49 351 85211-10
Send e-mail