Legionella Risk Assessment
Comprehensive legionella risk assessment services designed to help you meet health and safety laws and manage the risk of exposure to legionella bacteria.
Under health and safety law, it is a key duty to conduct regular legionella risk assessments and ensure they remain up to date.


Your trusted partner for Legionella Risk Assessments
At Aqua Compliance Services, we follow the latest guidelines and standards, including HSG 274 part 2 and BS 8580-1 2019, to provide you with the most accurate and reliable risk assessments.
We understand the complexities involved in managing water systems and are committed to delivering services that keep you compliant and your people safe.

Understanding legionella and Legionnaires’ disease
Legionella bacteria are naturally occurring organisms found in various water systems. When conditions allow, such as in stagnant water or at certain temperatures, these bacteria can multiply and become a health hazard.
Legionnaires’ disease, a severe form of pneumonia, is caused by inhaling water droplets contaminated with legionella bacteria.
This disease poses significant health risks, particularly to vulnerable people with weakened immune systems, such as the elderly and those with chronic illnesses.
Legionnaires’ disease can lead to severe respiratory issues, and in some cases, it can be fatal. Therefore, understanding the dangers posed by legionella bacteria is the first step in protecting your premises and ensuring the safety of everyone who uses your water systems.
Key factors that contribute to the growth of legionella include water temperature, the presence of organic matter and the design and maintenance of water systems.

Importance of legionella risk assessments
Conducting a legionella risk assessment is not just a regulatory requirement but also a critical component of your health and safety strategy. These assessments help identify and evaluate potential risks in your water systems, including cold water systems, storage tanks and showers. Non-compliance can lead to severe health hazards and hefty fines. Ensuring regular assessments keeps you compliant and safeguards the health of everyone on your premises.
The risk of exposure to legionella bacteria can be significant in many environments, especially those with complex water systems or where water is stored and distributed. The assessment process involves identifying risk factors such as water temperature, stagnant water and the presence of nutrients that promote bacterial growth. Legionella risk assessments will also assess the design of your system and its operational parameters, ensuring it is fit for purpose. By addressing these issues, you can significantly reduce the risk of Legionnaires’ disease.
At Aqua Compliance Services, we emphasise the importance of a thorough and ongoing risk assessment process. Our team of experts provides you with detailed reports and actionable recommendations to ensure that all potential risks are managed effectively.
What Our Clients Are Saying
"We have been using Aqua’s services for many years now and we value their
engineer’s diligence when carrying out the work and the good communication with
management. We would recommend their services to others."
"Working with Aqua feels like part of a partnership and not just another contractor ticking boxes. Aquas demonstrated a profound understanding of water safety regulations and a commitment to ensuring our compliance with L8 standards."
"I am very happy with the services that Aqua provide to our clients, they’re very quick at responding to us and sending the reports over."
Our legionella risk assessment process
Compliance and standards followed
HSG 274 part 1
HSG 274 part 2
HSG 274 part 3
BS 8580-1 2019
Key features and benefits of our service
Comprehensive evaluations
Detailed reports
Ongoing support




