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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

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.

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. To the job offers
In an open working atmosphere, we work in interdisciplinary teams for the water supply of today and in the future. To the job offers
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 180 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.
News
Do higher temperatures become a problem for water distribution?
Within the last 20 years, climate change has increasingly led to record summers with extended hot weather periods. The warming of the soil can reach the distribution systems and, hence, causing temperature increase, whereby upper limits of drinking…
Read moreGlobal Water Research Coalition presents new strategic plan
The Strategic Plan 2022 - 2027 describes the strategic direction of the Global Water Research Coalition (GWRC) for the next five years. It builds on the integration of the feedback received and discussions by the Board and the previous Strategic…
Read moreNew project: Making water infrastructure climate-resilient
The impacts of climate change require the transformation of water and wastewater infrastructure towards climate-resilient systems. Making infrastructure and resource management more flexible is one possible strategy. In order to test promising…
Read moreNon-Target-Screening: Seeing the Water as a Whole
In order to not only detect known substances, but to achieve comprehensive monitoring, non-target analysis is available for water monitoring. This highly specialised technique allows water samples to be analysed for unknown substances. Consequently,…
Read moreFaster bacterial identification with MALDI-TOF
MALDI-TOF is a method for the mass analysis of chemical compounds. This modern and highly innovative method is also used for bacterial identification and has already revolutionized this in the medical diagnostic field. Investigations within the…
Read moreA cloud for micropollutants tracking in water
Exciting insights into a research project focussing the interface between water analytics and data science are presented in this video. The "K2I Tracker" is a cloud solution which enables drinking water suppliers to evaluate results of non-target…
Read moreNewsletter

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Videos
TZW – Videos
Get to know TZW in 186 seconds. Just click the play button.
The video offers exciting insights behind the scenes of the TZW test centre.
Projects
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…
Read moreWater reuse and drinking water reservoirs on trial (FLEXITILITY)
The Flexitility research project entered its implementation phase in October 2022. Until 2024, network partners from practice and research will test…
Read moreAt-line measurement method for rapid analysis of total zinc in process waters (ZinkAtline)
The aim of the project is to develop an at-line measurement method for analysing the total zinc content in process waters from steel production and…
Read moreMobility of bacteria, viruses and antibiotic resistance genes in karst groundwater (PrePat)
Climate change is exacerbating water scarcity and negatively impacting water quality through heavy rain events and droughts in many regions of the…
Read moreZero 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…
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