Worlds fastest on‑site Legionella tests.
In just 25 minutes, Hydrosense test kits can detect all Legionella pneumophila serogroups 1-15 – the main cause of Legionnaires’ disease outbreaks worldwide.

Hydrosense vs Lab Culture
Lab culture has limitations that Hydrosense can solve. Find out more.
Or Log in.
What is Legionella pneumophila?
Legionella pneumophila is responsible for over 97%* of all Legionnaires’ disease outbreaks. This severe illness can lead to pneumonia, with a fatality rate of at least 10%. Survivors often endure long-term, life‑impacting effects.
*https://bit.ly/3ThwQON
Stay informed of news, events and product updates.
Join our mailing list
Sectors at risk
Wherever water systems are present in the built environment, there is a risk of Legionella. Whilst some sectors and industries pose a higher risk such as healthcare and hospitality, all have the potential to be affected.
Hydrosense tests offer the perfect solution for any industry where reputation is crucial, staff and customer safety are paramount or where facilities are in remote locations. Our tests ensure quick, reliable detection, helping to maintain a safe environment and protect public health in industries such as:
- Cooling towers
- Hospitals & Care Homes
- Hospitality & Recreational
- Facilities Management
- Spa pools & Fountains
- Construction
- Shipping
- Offshore
- Car washes
- Domestic Water Systems
An innovative approach
At Hydrosense, we are dedicated to continuous improvement, ensuring our products meet our promise of delivering rapid and reliable Legionella pneumophila testing. Our experts leverage innovation and technology to provide easy-to-use onsite solutions to detect this dangerous bacterium in real time.
With Hydrosense, you can trust that you’re partnering with a team who is committed to protecting public health. Explore more to see why Hydrosense can help you safeguard your community with confidence and ease.
Latest news

Behind Hydrosense PRO: Making Legionella testing see more
Legionella pneumophila (L. pneumophila) serogroup 1 has long been a major focus here at Hydrosense and we are passionate about the part we play in tackling this harmful water

Should we worry about non-pneumophila Legionella species?
Non-pneumophila Legionella Species – Serious concern or distraction from major risk? The genus Legionella is a genus of the family Legionellaceae. It is composed of

Biofilm assessment is crucial to your Legionella risk assessment
When considering important factors required for a well-maintained water system, the most common elements that come to mind may be disinfection of the water via