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World Water Day 2026

Advancing compliant water microbiology testing

World Water Day, led by United Nations - Water, highlights the essential role of water in building inclusive, resilient communities. The 2026 theme “Where water flows, equality grows” recognizes that access to safe, compliant water systems supports public health, regulatory confidence and environmental responsibility.

 

For water testing laboratories, this means ensuring microbiological testing methods are validated, audit-ready, and aligned with evolving international standards.  

 

For over 100 years, Thermo Fisher Scientific has supported laboratories with trusted solutions that simplify compliance while maintaining scientific rigor.

 

Every day, we are committed to safeguarding the integrity of drinking water. Our solutions offer complete traceability through the full manufacturing and supply process, our products have rigorous quality built into every step, providing confidence in every result.

Is your lab aligned with updated water testing standards?

Test your readiness and identify potential gaps in your compliance strategy.

World water day resources

A Practical Guide to Bacteriological Testing of Water

Ensure your testing workflows align with ISO standards for microbiological water quality analysis.

This guide covers:

  • ISO-aligned microbiological testing approaches
  • Method validation considerations
  • Quality control best practices
  • Supporting documentation for audits

Take the Complexity Out of Compliance

The International Organization for Standardization (ISO) has replaced the long-standing EN ISO 7704:1985 with the new EN ISO 7704:2023.

Access practical guidance to help you understand the changes and how your laboratory can remain confident and audit-ready.

Be part of the world water day conversation

Every laboratory, technician, and scientist working in water microbiology contributes to a larger mission of global water safety. Whether you’ve implemented new testing strategies, overcome resource constraints, or played a role in responding to emerging water quality challenges, we invite you to share your experiences: 

  • How has your lab adapted to changing water testing regulations? 
  • What innovative techniques or solutions have improved your testing workflows? 
  • Have you faced challenges in microbial water testing, and how did you overcome them? 

By submitting your story, you join a network of professionals dedicated to advancing water safety. 

 

* Select contributions may be featured in upcoming industry discussions, case studies, or our World Water Day webpage.

The facts at a glance

71% of Earth is covered in water, and 96.5% of that is saltwater. That leaves 3.5% for freshwater, of which only 1% is consumable by humans.1

Nearly 2.2 billion people lack access to safe drinking water – world water day highlights the challenges faced by poor water sanitation and lack of testing.2

Microbiology plays a crucial role in understanding and addressing waterborne diseases, and ensuring safe drinking water for all.3

Between 10,000 to 20,000 reported cases of Legionnaires' disease annually worldwide, with many more cases likely going unreported.4

High Mortality Rate: Legionnaires' disease has a global case fatality rate ranging from 5% to 15%.5

Globally, more than a quarter of all women (27.1%) – lack access to safely managed drinking water services.6

For Research Use Only. Not for use in diagnostic procedures.