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Have you more than five employees in your organisation or are there more than five people on your premises? YOU are responsible for their safety. You will need to comply with the law which covers the control of Legionella bacteria in your water systems.

  • The Health and Safety at Work Act 1974 (HSWA)

  • The Control of Substances Hazardous to Health Regulations 2002 (COSHH)

  • The Management of Health and Safety at Work Regulations 1992 (MHSWR)

  • The Notification of Cooling Towers and Evaporative Condensers Regulations 1992

  • The Control of Legionella Bacteria in Water. Part 1,2 and 3 L8 ACoP HSG 274 (2014)


Legionella bacteria can multiply in hot or cold water systems and storage tanks.  The bacteria can then spread e.g. in spray from water outlets such as showers and taps.  Under general health and safety law, you have to consider the risks from legionella that may affect your staff or members of the public and take suitable precautions. 

As an employer or a person in control of the premises you must:

  • Identify and assess sources of risk by carrying and documenting a Risk Assessment

  • Prepare a scheme (or a course of action) for preventing or controlling the risk called a written scheme of control or logbook

  • Implement and manage the scheme - appointing a person to be managerially responsible

  • Keep records and check that what has been done is effective

Phone or contact Valens Water to find out how you comply with the law and what you need to do next.

Drinking Water

It is a legal requirement that the water companies provide you with the quality and standard of drinking water required in the United Kingdom.  To make sure this is carried out for you contact Valens Water Ltd.


Waste Water

We can supply chemicals and specialist knowledge for recommendations of treatments in this area.  

Water Regulations

Compliance of water regulations is required by all landlords of buildings.

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