What's wrong with this photo?

by Water Hygiene Centre, on 10-03-2020
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Legionella counts pre and post on the hot and cold. Can you spot the reasons why??

Positive Legionella Counts - Answer

Thank you to all those who have taken the time to comment on our original photo with your views and opinions on what may have caused these positive counts. 

As you can now see in the photo above, we have circled 3 blind ends on the:

1) mains cold water 

2) domestic hot water flow

3) hot water returns

If you would like further information on dead legs and blind ends we have recently produced a handy blog - Management of dead legs and blinds ends in water systems.

Editors Note: The information provided in this blog is correct at date of original publication - March 2020. 

© Water Hygiene Centre 2020

 

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About the author

Water Hygiene Centre

The Water Hygiene Centre was established in 2009 to address the lack of independent water hygiene consultancy within the industry. From our humble beginnings, we have established ourselves as a market leader, helping clients identify and minimise the risk of waterborne contamination and disease, whilst improving compliance performance.

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