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      Water analysis Conducting and evaluating physical-chemical and microbiological water testing in accordance with German Drinking Water Ordinance and other regulations.
    • Test centre and product testing
      Testing of products and devices Initial testing of products and materials in contact with drinking water. The test centre is accredited for more than 200 product standards.
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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 Development and improvement of determination procedures. Investigating occurrence, behaviour and fate of inorganic and organic trace substances.
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      Network management and drinking water installation Advice on safeguarding the quality of drinking water in the distribution system, support in the development of specific network management strategies.
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      Risk management Supporting water supply companies in setting up continuous risk management for water supply facilities, based on our comprehensive expertise.
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      Drinking water catchments and resources Protection of drinking water resources by assessing potential hazards in water catchment areas, catalogues of measures, monitoring concepts, databases.
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      Environmental biotechnology and contaminated sites Environmental biotechnology to improve water quality. Degradation processes for water purification. Concepts and studies for pollutant contamination.
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      Digitalisation Solving complex questions and problems of water supply companies in digitalisation through technical support or practical research projects.
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      Practical projects Research and practice, water supply, scientific and technical expertise, technology concepts, resource protection, distribution network, digitalisation.
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      Resource protection Sustainable resource protection as an important factor for safe drinking water supply, management of hazards and risks in water catchment areas.
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      Environmental biotechnology Technical and biological methods for the elimination of microorganisms, microbiological degradation processes, risk assessment of microbial contamination.
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      Microorganisms Application and development of reliable detection methods for microorganisms in drinking water, evaluation of disinfection and treatment measures.
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      Micropollutants Reliable and sensitive determination of trace substances and microplastics, investigation of the behaviour in the water cycle, qualified risk assessment.
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      Waste water and water cycle Development of integrated water supply and waste water disposal concepts, Utilisation of biodegradation processes to eliminate persistent substances.
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      New technologies and products Technologies and products for the treatment, disinfection and post-treatment of drinking water, testing for performance, safety and robustness.
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      Asset management and infrastructure Development of asset management strategies to ensure a stable supply of high-quality drinking water, assessment of the condition of pipeline networks.
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      Digitalisation and Management Digitalisation in the areas of data collection, data management, data-driven applications and AI for the water supply.
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News

What’s new at TZW? Discover new projects in this field, interesting events, the latest research results and brand-new publications in a nutshell. Take a look at the news overview to find our posts from the last years. 

Can’t find what you’re looking for? If you have any questions or would like to know more about the specific topics, then please get in touch using the contact details on the right.

The standards for materials in contact with drinking water will be harmonised across the EU in future.
28.05.2025
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…

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Image: Kevin Grieme/Unsplash
19.05.2025
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…

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Groundwater sampling
Groundwater sampling
26.02.2025
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…

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Meeting of the GWRC Board of Directors 2023 in Singapore
Meeting of the GWRC Board of Directors 2023 in Singapore
20.01.2025
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…

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Wastewater monitoring diagram
Wastewater monitoring diagram
16.12.2024
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…

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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.
13.11.2024
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-…

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Reverse osmosis lines for softening and PFAS removal at waterworks
One of six reverse osmosis lines for softening and PFAS removal at Baden-Baden Sandweier waterworks
14.10.2024
Five years of practical experience in PFAS removal

With the amendment of the Drinking Water Ordinance, very strict requirements regarding PFAS (per- and polyfluorinated alkyl substances) must be met in…

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Internal inspection of a drinking water pipeline with the TZW inspection system
Internal inspection of a drinking water pipeline with the TZW inspection system
08.10.2024
Camera inspections to sustainably maintain the value of drinking water infrastructure

In the water supply sector, maintaining the functionality and value of drinking water infrastructure is a major challenge for the coming years. The…

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Partner of the Interreg-NWE-Project Rural Roadwater Rescue at TZW in June 2024
Partner of the Interreg-NWE-Project Rural Roadwater Rescue at TZW in June 2024
07.08.2024
New strategy for roadwater management

From June 3 to 5 2024, one of four major project meetings took place at TZW in Karlsruhe as part of the Rural Roadwater Rescue (RRR) project funded by…

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The first part of the ZeroPM Symposium took place in the Badner Halle in Rastatt.
24.06.2024
International symposium on the removal of PFAS from drinking water

The EU research project ZeroPM (Zero pollution of persistent, mobile substances), TZW and Stadtwerke Rastatt invited interested stakeholders to a…

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Material Testing at TZW Test Centre
17.06.2024
Harmonised hygienic EU regulations for materials and products in contact with drinking water

Following the revision of the EU Drinking Water Directive at the beginning of 2021, six legal acts were published in the Official Journal of the…

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Employees with notebook
11.06.2024
TZW: Review 2023 is now online

With the Annual Report 2023, TZW is going one step further by offering it purely digitally as a website. This is an efficient, sustainable and…

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The ‘magic square’ for successful risk management
28.05.2024
Risk management: How the new Drinking Water Catchment Areas Ordinance can be implemented in practice

The amended Drinking Water Ordinance (TrinkwV) and the new Drinking Water Catchment Areas Ordinance (TrinkwEGV) implemented the third EU Drinking…

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Microorganisms are still a relatively unexplored part of the ecosystem in lakes and reservoirs.
Microorganisms are still a relatively unexplored part of the ecosystem in lakes and reservoirs. Image: telix2000/pixabay
22.04.2024
Protecting water biodiversity with molecular biology and AI for targeted protection

Due to climate change, pollution and invasive species, reservoirs and lakes are confronted with a loss of near-natural biodiversity. In order to gain…

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PFAS in small samples
PFAS can be precisely determined using state-of-the-art equipment at TZW's laboratory.
08.04.2024
Requirements and solutions for PFAS in the environment

The chemical substance group of perfluorinated and polyfluorinated alkyl compounds (PFAS) has now entered the political and public debate. These…

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The Wahnbachtalsperre (Wahnbach dem) nearby Siegburg (Nordrhein-Westfalen)
18.01.2024
On the way to an autonomous early warning system for water quality

Climate change, changes in land use and the discharge of pollutants are threatening the quality of our surface waters. The DIWA research project…

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Image: HolgerSchué/pixabay
05.01.2024
Water losses - no thanks! Analysing time series of water consumption for loss detection

Experts at TZW have been working on the topics of water consumption and digitalisation for years. One aspect is analysing large amounts of data with…

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20.11.2023
Flushing drinking water networks efficiently with condition-based network flushing

In recent years, TZW has developed the methodology of condition-based network flushing as a result of research and consultancy projects. Positive…

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Image: shutterstock
23.10.2023
Activated carbon in drinking water treatment plants - How coconutshells can replace the bituminous coal

Due to different adsorption properties activated carbons based on bituminous coal cannot be replaced by coconut shells based activated carbons in…

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crawler in a drinking water pipeline
The inspection system is adapted to the special conditions of drinking water networks.
04.10.2023
Insights into the underground: Optical inspection of drinking water pipes

Optical methods for pipe inspection are well established in the wastewater sector. In the hygienically relevant drinking water sector with pressure…

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GWRC Managing Director Stephanie Rinck-Pfeiffer (2nd from right) was welcomed by Josef Klinger (4th from right) at TZW.
GWRC Managing Director Stephanie Rinck-Pfeiffer (2nd from right) was welcomed by Josef Klinger (4th from right) at TZW.
28.09.2023
GWRC: Focus on water quality and infrastructure

In water research, the topics of water quality and infrastructure are high on the international agenda. GWRC Managing Director Stéphanie…

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Compactly arranged two-stream reverse osmosis plant / Image: Stadt Groß-Umstadt
Compactly arranged two-stream reverse osmosis plant / Image: Stadt Groß-Umstadt
19.09.2023
Nitrate removal by reverse osmosis: From idea to full scale implementation

Increasing nitrate concentrations in groundwater force water supply companies with the challenge of complying with the nitrate limit value specified…

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Current studies identify persistent and mobile substances that are relevant for drinking water.
Current studies identify persistent and mobile substances that are relevant for drinking water. / Image: shutterstock
05.09.2023
Preventive protection of water resources must have top priority

A research project on substances with high persistence and mobility in the environment once again shows that effective resource protection must have…

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The StoryMap offers an easy-to-understand introduction to the topic of TFA. (Photo: pixabay)
The StoryMap offers an easy-to-understand introduction to the topic of TFA. (Photo: pixabay)
10.08.2023
Interactively following the trail of the environmental chemical TFA

Experts at TZW have developed a StoryMap on the topic of trifluoroacetate (TFA), that provides an easy-to-understand introduction to the complex topic…

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22.06.2023
The annual report 2022 is out now

Browse through it and be amazed! The TZW Annual report 2022 shows the past business year and gives an insight into the TZW world: into our expertise,…

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Woman with waterbottle in front of sun
22.03.2023
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…

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Meeting of the Board of Directors in Copenhagen 2022 with TZW-CEO Dr Josef Klinger (centre)
Meeting of the Board of Directors in Copenhagen 2022 with TZW-CEO Dr Josef Klinger (centre)
09.01.2023
Global 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…

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05.12.2022
New project: Making water infrastructure climate-resilient

The impacts of climate change require the transformation of water and wastewater infrastructure towards climate-resilient systems. Making…

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State-of-the-art equipment is a precondition for Non-Target-Screening
05.12.2022
Non-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…

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The MALDI-TOF method and its use in the drinking water sector were investigated in a DVGW research project.
02.12.2022
Faster 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…

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09.11.2022
A 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…

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Hände unter sprudelndem Wasser
For a climate resilient water supply of tomorrow (Image: shutterstock)
13.10.2022
Global networks and local actions for the protection and safety of water resources

TZW is always working on innovative research projects which deal with current aspects of risk management. In June 2022, specialists from TZW presented…

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Samples in TZW's microbiological laboratory
Samples in TZW's microbiological laboratory
13.10.2022
The "silent pandemic" - research on antibiotic resistance at TZW

The increase in antibiotic resistance has been termed a "silent pandemic" by the World Health Organization (WHO). The long-standing and extensive use…

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Elastomers are contained in a large number of products that come into contact with drinking water.
Elastomers are contained in a large number of products that come into contact with drinking water.
08.06.2022
Third amendment of the KTW-BWGL also includes elastomers

Since 7 March 2022, elastomers and thermoplastic elastomers (TPE) also fall within the scope of the evaluation criteria document for plastics and…

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Innovative digital tools help in the analysis of water losses.
Innovative digital tools help in the analysis of water losses. Foto: shutterstock
19.05.2022
Tracking water losses with digital tools

Water supply companies have a strong interest in monitoring and minimising water losses in their pipe networks. To apply digital methods the experts…

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Project meeting at TZW in April 2022
Project meeting at TZW in April 2022
17.05.2022
European network for product development in the water sector

The EU project "Water Test Network" is funded within the framework of the Interreg North-West Europe Programme and supports small and medium-sized…

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10.02.2022
Not only water - Analysis of organic micro-pollutants in complex environmental samples

TZW’s name „German Water Centre“ does not reflect fully its program anymore when it comes to the analysis of organic micropollutants. Since years,…

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The experts from TZW support water supply companies in implementing the condition-based flushing strategy
The experts from TZW support water supply companies in implementing the condition-based flushing strategy
27.01.2022
Condition-based flushing strategy newly included in DVGW Rule W 291

In order to provide drinking water of the highest quality at all times, water supply companies flush their drinking water pipes. The "condition-based…

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Karst and water in the Swabian Alb are the focus of the new research project. Gütersteiner waterfalls near Bad Urach, image: Franzfoto/wikipedia
Karst and water in the Swabian Alb are the focus of the new research project. Gütersteiner waterfalls near Bad Urach, image: Franzfoto/wikipedia
22.12.2021
New research project: Transport of microorganisms in groundwater

The DFG-funded PrePat project aims to show how bacteria, viruses and antibiotic resistance genes are transported in groundwater. To this end, the…

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Device for the maintenance of shut-off valves in use, product photo: 3S Antriebe GmbH
Device for the maintenance of shut-off valves in use, product photo: 3S Antriebe GmbH
22.09.2021
Monitoring technology to assess the condition of shut-off valves even more accurately

The maintenance and servicing of infrastructure elements in the water industry (asset management) includes the condition assessment of shut-off valves…

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Nanofiltration and reverse osmosis systems
Complex treatment plants require regular check-ups
22.09.2021
Drinking water treatment safely managed

The treatment of raw water into drinking water takes place invisibly behind filter columns, pipes and treatment equipment in waterworks. Even the…

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Woman and infant at water tap
A low lead limit for drinking water is intended to protect infants and young children in particular. Picture: shutterstock
22.09.2021
Lowering of the lead value in the EU drinking water directive

Due to its high toxicity, the limit value of the heavy metal lead for drinking water has been lowered more and more in the past decades. Especially…

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In the TZW laboratories, the focus is on technical solutions, method development and analysis for the ZeroPM project.
06.09.2021
New EU project ZeroPM aims at zero pollution from persistent, mobile substances

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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Screenshot from the WSP-Tool: Initial risk in a model area
19.07.2021
BMBF Innovation Atlas: Software tool for risk management in the water supply sector

In the "Innovation Atlas Water" of the Federal Ministry of Education and Research (BMBF), which can be accessed online, the TZW is represented with a…

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18.05.2021
Persistent and mobile organic trace contaminants require continuously adapted methods

Organic micropollutants with very high polarity are not only an analytical challenge. If they are also persistent, they pose a challenge for water…

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The video is available on the BMBF website and takes you along to the research in the Danube catchment area.
18.05.2021
Findings from 3.5 years of microplastic research in the Danube catchment area

Since 2017, the joint research project MicBin has been investigating how plastics and, in particular, so-called microplastics get into rivers, what…

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Plastics and other organic materials that come into contact with drinking water have to comply with high standards of hygiene.
08.03.2021
Requirements for plastics and other organic materials in contact with drinking water

The evaluation criteria for plastics and other organic materials in contact with drinking water (KTW-BWGL) has been legally binding for plastics,…

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10.02.2021
The 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)…

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© Gelsenwasser AG
26.01.2021
New 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…

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Three heads of department took up their new positions at TZW on 1 January 2021 (from left to right): Sebastian Sturm (Water supply, Karlsruhe), Dr Andreas Korth (Water distribution, Dresden) and Dr Johannes Ruppert (Test centre, Karlsruhe Durlacher Wald).
14.01.2021
Future-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…

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Members of the Global Water Research Coalition © GWRC
04.01.2021
Water knows no borders

Just as water bodies transcend borders, research topics are dealt with on an international and interdisciplinary basis. TZW: DVGW-Technologiezentrum…

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09.11.2020
Sino-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)…

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© Graham Hobster/pixabay
09.11.2020
TZW and PUB Singapore jointly research nanoparticle analysis in water reuse

The cooperation between the Singapore National Water Agency PUB and TZW lasts since June 2014 with several projects being worked on. The research…

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Sewage samples can provide indications of hotspots of infection with the SARS-CoV2 virus.
16.09.2020
TZW research on SARS-CoV-2 in the aquatic environment

On behalf of the DVGW, scientists at TZW evaluated and summarised about 300 studies and other literature on SARS-CoV-2. This provides the current…

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[Translate to English:]
[Translate to English:]
29.07.2020
What UV LEDs can do for drinking water disinfection

LEDs (light-emitting diodes) have become environmentally friendly and cost efficient alternatives to previously used light sources in many areas of…

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Mitarbeitende arbeiten an Pipette in Labor
The TZW laboratory can also analyse SARS-CoV-2 viruses. In addition, TZW is integrated in national and international knowledge clusters on this topic.
22.07.2020
TZW Board of trustees holds its 25th meeting online

On 8 July 2020, the Board of Trustees of TZW met for the 25th time. The keynote lecture on SARS-CoV 2 from a water management perspective, which was…

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25.05.2020
Asset management with system and innovative technology

Tailor-made concepts for the asset management and the operation of drinking water distribution systems are the essential basis for a sustainable and…

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25.05.2020
Assessing relevant chemicals for drinking water

When small, polar and mobile substances are discussed as water contaminants, scientists often speak of PMT/vPvM substances, PMOC, SMS and hot-targets…

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25.05.2020
MALDI-TOF-MS for species identification in drinking water microbiology

In the past few years a new and innovative method has been developed to quickly identify microorganisms – MALDI-TOF-MS (matrix-assisted laser…

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Zwei Mitarbeitende beraten sich im Wasserschutzgebiet
25.05.2020
The new drinking water directive has a strong emphasis on risk management

Precautionary planning and risk-based approaches are addressed in the current EC drinking water directive. But their significance shall be emphasised…

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25.05.2020
Rhine Ministerial Conference adopts quantitative reduction targets for micropollutants

The 16th Rhine Ministerial Conference took place in Amsterdam on 13 February 2020. The ministries responsible for water protection in the Rhine…

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11.03.2020
GWRC-Factsheet Covid-19 Virus

As the COVID-19 Virus associated respiratory disease is rapidly spreading worldwide, a fact sheet published by GWRC (Global Water Research Coalition)…

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15.01.2020
Microplastic: New method for the analysis of water samples

TZW has established a new method for the analysis of microplastic particles in water samples down to 5 μm particle size.This is an important step to…

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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.

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