Legionnaires disease is a potentially fatal form of pneumonia which is caused by
legionella bacteria, which can grow in water kept at unsuitable temperatures (between
20ºC and 45ºC) and infect the water in cooling towers, whirlpool spas and purpose
built hot and cold water systems.
Where conditions are suitable for the growth of legionella the risk is increased.
There is a risk of disease when droplets of water, infected with the bacteria, are
inhaled. Whilst showers may present a particular problem in care homes water droplets
created from taps is also a potential source. Any equipment that can generate water
droplets that could be inhaled should be assessed for potential risk.
Building owners and managers are required to carry out a risk assessment, put a
management system in place and demonstrate that the services are operating within
approved operating standards through the preparation and upkeep of monitoring records,
Aquacair Limited undertake system risk assessments for compliance with British Standards,
HSE L8 and NHS Health Technical Memoranda. We undertake sampling for legionella bacteria
and of drinking water or vending machine supplies for total bacteria, coliforms and
Domestic water systems, showers, dental water systems, industrial processes, spas
and cooling towers in fact any process that uses water that people come into contact
with requires an assessment.