Legionella Control Monitoring 

Are you Compliant?

Are your water systems compliant? If you were to have laboratory samples taken today what would the results be?

If you are responsible for a water system it is recommended that you have a legionella control monitoring and inspection programme in place.

The Control of Legionella Bacteria in Water Systems

A key component of ACoP L8 – The Control of Legionella Bacteria in Water Systems, is that after a Legionella risk assessment is completed a written monitoring plan to control the identified risks of Legionella is prepared.

A water monitoring plan will identify the chosen control measure and how this will be actioned and implemented. It will also evaluate how often the system should be managed and monitored.  A detailed record of all precautions and recommendations should be contained in a dedicated site logbook. Read  more about the steps Water Hygiene Services follow below:

Health & Safety Executive HSE Approved Code of Practice (ACOP L8 )

Your Health + Safety Obligations

ACoP L8 states that following a Legionella Risk Assessment you are required to prepare a written monitoring plan to control the identified risks of Legionella.

How Water Hygiene Services Monitor Water Systems

Water Hygiene Services Ltd provide a system log book which is used to store the records of legionella control monitoring tasks carried out, this includes;

• Weekly flushing of little-used outlets
• Monthly temperature test results of representative outlets
• Quarterly descaling of shower heads and spray taps
• Annual inspection of calorifiers
• Annual water storage tank inspection
• 24 monthly legionella risk assessment review
• A Water Hygiene Surveyor will visit the site at regular intervals to ensure that risks are kept in
• Temperatures and conditions will be compared with parameters detailed in ACOP L8.

Water Monitoring Plan

A water monitoring plan will identify the chosen control measure e.g. avoiding water temperatures between 20ºC and 45ºC and how it will be achieved.

A Monitoring Plan should be closely adhered to and actions should be implemented, regularly managed and monitored.

System Log Book

A detailed record of all precautions should then be kept in a site log book. This is necessary evidence for all health and safety inspections.

Recommendations & Remedial Action:

If conditions are identified which could possibly lead to the growth of legionella bacteria then recommendations will be made to minimise the risk.

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