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Water Test Kit | Legionella

Tests for Legionella

The Legionella Water Test Kit tests for the presence of the legionella bacteria. Regular testing will prevent your household or tenants from contracting Legionnaires' disease.

SKU: 70005

Regular price £59.00

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No prior knowledge required - Simple sample collection
Free Shipment & includes free return shipping to the laboratory
Accredited water testing laboratory (ISO 17025)
Quick and comprehensive analysis of your water sample
Easy-to-understand results and expert tips included


In order to rule out the presence of legionella bacteria in drinking water, regular water testing is required for those who supply drinking water to third parties. Legionella bacteria most commonly spread through water vapour, and infection can often turn into a serious lung infection. Common sources of the legionella bacteria are showers, air conditioning units or artificial water features. Legionella testing is recommended to detect or rule out contamination. The legionella water test provides fast assurance and reliable results. 

Recommended for: Landlords or property owners who supply water to third parties (business or residential), especially if the water pipes have not been used in a long time.




Our packaging and shipping is free. The return shipping of your sample to our laboratory is also free.

If you decide you no longer wish to make use of the test kit, you have the right to cancel within 14 days of placing your order. We will repay you using the same method of payment you used when purchasing the test kit.
Water Test Kit | Legionella
Standard - Results in 7-14 Days - £59.00
  • Standard - Results in 7-14 Days - £59.00

Water test kits in the UK from the online market leader -

have tap water tested in an independent specialist laboratory

Why it is necessary to test your tap water in the UK?

As the Drinking Water Inspectorate strictly regulates UK drinking water, it is generally of very good quality. It is tested almost daily by the water company in your area before it goes on its long journey to your house pipes. However, the waterworks' responsibility ends at your house connection. From here, you (the owner) or the landlord are responsible for the house's water quality. 

Not only is the quality of your tap water paramount for drinking for hydration, but it is also particularly relevant if you use a water carbonator, such as SodaStream or a coffee machine.

Harmful substances such as lead, copper and nickel can leak into your drinking water through your pipes or, most frequently, the tap fittings. Drinking these harmful toxins can lead to numerous illnesses and diseases. So if you are unsure about the quality of your tap water, you should conduct regular water analyses in a professional laboratory.

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IVARIO water test kits - test your tap water!

What is Legionella?

Legionella is a type of bacteria that can cause Legionnaires' disease, a severe form of pneumonia, and a milder flu-like illness called Pontiac fever. It is commonly found in freshwater environments, such as lakes and rivers. Still, it can also thrive in human-made water systems, including hot water tanks, cooling towers, and plumbing systems.

Legionella bacteria can multiply and spread through aerosolized water droplets, which humans can inhale, leading to infection. It is crucial to properly manage and maintain water systems to prevent the growth and transmission of Legionella and regularly test for its presence to ensure the safety of water supplies and prevent potential outbreaks of Legionnaires' disease.

What is Legionella and why it is crucial to test for contamination in household water pipes?

How does Legionella get into the human body?

Legionella bacteria can enter the human body when contaminated water containing the bacteria is inhaled or aspirated (inhaled into the lungs or swallowed into the digestive system). Legionella does not typically spread from person to person. The most common infection route is inhaling tiny water droplets or mist containing the bacteria, which can occur when using showers, hot tubs, or near cooling towers. When these aerosolized droplets are inhaled, the bacteria can reach the lungs and cause infection. It is also possible to acquire Legionnaires' disease by aspirating contaminated water, such as when drinking water "goes down the wrong pipe" and enters the lungs instead of the stomach. Not everyone exposed to Legionella bacteria will develop illness, as susceptibility can vary based on individual factors, such as age, overall health, and immune status. Proper management and maintenance of water systems and regular testing for Legionella are essential to prevent infection and ensure the safety of water supplies.

Legionella Water Testing - FAQ

How does Legionella enter water systems?
Legionella can enter water systems through various means, such as contaminated water supplies, cooling towers, hot water tanks, showers, and decorative fountains. It thrives in warm water environments, making monitoring and testing these systems regularly essential.
What is Legionella, and why must it be tested in water?
Legionella is a bacteria that can cause Legionnaires' disease, a severe form of pneumonia. Testing for Legionella in water is crucial to identify potential sources of contamination and prevent the spread of the bacteria, protecting public health.
Who should consider testing for Legionella in their water systems?
It is advisable for anyone responsible for the management of water systems in public facilities, such as hotels, hospitals, nursing homes, schools, and office buildings, to test for Legionella regularly. People with private water systems, such as homeowners with hot tubs or large water tanks, should also consider testing.
My Legionella Water Test is positive. What do I do now?
What happens if the legionella test detects a bacterial infestation? Action is needed if the legionella concentration in the water exceeds the indicated limit value of 100 CFU (colony-forming units) per 100 millilitres of water. Measures to kill legionella depend on the extent of the contamination. For landlords and property owners, the measures may include notifying your tenants and the responsible health authority immediately. Thermal disinfection is the first step in combating legionella. The entire drinking water system is heated to 70°C for at least three minutes. In the long term, sanitation and repairs are usually necessary to kill the legionella bacteria.
How is the water analysis carried out?
After you have completed your order, your test kit will be dispatched within 24 hours. It contains everything you need to take the sample. You don't need any special knowledge or experience.

After you have filled the sample bottle, simply use the return kit which we have prepared for you and send your sample straight to the accredited water testing laboratory. Here your water sample will be analysed by specialists, directly and efficiently.
Take the sample using the simple instructions
Would you like to have your water tested? On the next page you can choose the appropriate water testing kit, for example the Combined Test. After you have ordered, you will receive your own professional test kit. Together with sterile containers and step-by-step instructions, it includes everything you need to send your water sample back, hassle-free.

"You may simply take the water sample when and where you want."
Water testing in an accredited laboratory
Your water sample is in good hands

After you have sent back your sample, one of our accredited water testing laboratories will carry out your chosen test. Our partners for water testing are various groups of laboratories, some of which have more than 23,000 employees working at over 225 locations in 39 countries and using over 150,000 different analytical methods. Your test is truly in good hands.
Your water analysis results - clear and fast
With the exception of the legionella test which takes around fourteen days, you will receive the results of your test within approx. 5 - 7 days. If you prefer, you can receive the analysis results by post, free of charge. You can view the results online and print them out in the comfort of your own home. To keep everything as straightforward as possible, the individual results are clearly laid out. In addition, they are compared with the maximum values stated in the Water Supply Regulations so that you can immediately spot potential threats. Not only do you find out if your water is contaminated, but you find out to what degree. The results are therefore ideal for submitting to landlords or property managers.
When is water testing necessary and how good is drinking water in the UK?
Drinking water in the UK is generally of a very high standard and is tested regularly by water companies before making its way into the consumer's home. However, what most people don't know is that the water companies' responsibility ends at the boundary of the user's property. From here, water quality is the owner's responsibility (mostly the landlord). In the majority of cases, the property owner is not legally required to carry out water testing. Legionella testing is an exception. Old pipes and plumbing systems are not the only factors influencing the quality of tap water, but contamination is most likely to come from taps and fittings. For this reason, the readings given by the water companies don't mean much for the consumer. If you want to know what the quality of your tap water is really like, you should carry out a water analysis in a water testing laboratory!

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