--- title: High-Risk Areas for Legionella in Schools and Colleges description: Some educational facilities can encounter difficulties when managing Legionella risk, here we provide guidance on how to mitigate these threats. image: https://www.waterhygienecentre.com/hubfs/Education%20-%20Areas%20of%20High%20Risk%20749%20x%20497%20100KB.png --- [![Water-Hygiene-Centre-Logo1-2](https://www.waterhygienecentre.com/hs-fs/hubfs/Water-Hygiene-Centre-Logo1-2.png?width=225&height=80&name=Water-Hygiene-Centre-Logo1-2.png "Water-Hygiene-Centre-Logo1-2")](https://www.waterhygienecentre.com/) [![white-logo](https://www.waterhygienecentre.com/hs-fs/hubfs/WaterHygieneCentre-2019/Images/white-logo.png?width=198&height=69&name=white-logo.png "white-logo")](https://www.waterhygienecentre.com/) - [** ](https://www.facebook.com/sharer/sharer.php?u=https://www.waterhygienecentre.com/blog/education-legionella-risk&title=High-Risk%20Areas%20for%20Legionella%20in%20Schools%20and%20Colleges&picture=https://2896031.fs1.hubspotusercontent-na1.net/hubfs/2896031/Education%20-%20Areas%20of%20High%20Risk%20749%20x%20497%20100KB.png&description=Some%20educational%20facilities%20can%20encounter%20difficulties%20when%20managing%20Legionella%20risk,%20here%20we%20provide%20guidance%20on%20how%20to%20mitigate%20these%20threats.) - [**](https://twitter.com/share?source=https://www.waterhygienecentre.com/blog/education-legionella-risk&text=High-Risk%20Areas%20for%20Legionella%20in%20Schools%20and%20Colleges%20-%20https://www.waterhygienecentre.com/blog/education-legionella-risk) - [**](http://www.linkedin.com/shareArticle?mini=true&url=https://www.waterhygienecentre.com/blog/education-legionella-risk&title=High-Risk%20Areas%20for%20Legionella%20in%20Schools%20and%20Colleges&summary=Some%20educational%20facilities%20can%20encounter%20difficulties%20when%20managing%20Legionella%20risk,%20here%20we%20provide%20guidance%20on%20how%20to%20mitigate%20these%20threats.) # **Education – Areas of High Legionella Risk** by [Jonathan Twaites](https://www.waterhygienecentre.com/blog/author/jonathan-twaites), on 30-06-2026 [*![Education - Areas of High Risk 749 x 497 100KB](https://www.waterhygienecentre.com/hs-fs/hubfs/Education%20-%20Areas%20of%20High%20Risk%20749%20x%20497%20100KB.png?width=749&height=497&name=Education%20-%20Areas%20of%20High%20Risk%20749%20x%20497%20100KB.png)*](https://www.waterhygienecentre.com/blog/education-legionella-risk) *Legionella *risk is a subject that anyone who manages water systems needs to consider and suitably manage, whether you are involved with an office block, hospital, school, or higher education. There may be additional concerns for those running [educational establishments](https://www.waterhygienecentre.com/blog/education-legionella) compared to a typical workplace environment. In all these environments, the risk of *Legionella* needs to be suitably managed, and the first step in this process is to complete a site-specific [Legionella risk assessment](https://www.waterhygienecentre.com/legionella-risk-assessment-l8). This will help identify the risks specific to your water systems and recommendations to eliminate or manage the risk. Once this has been completed, the ongoing management of the water systems needs to be in place by producing Written Schemes and/or [Water Safety Plans.](https://www.waterhygienecentre.com/water-safety-plan)   [![New call-to-action](https://no-cache.hubspot.com/cta/default/2896031/30cae303-224d-4299-9a43-10e08bb0888e.png)](https://cta-redirect.hubspot.com/cta/redirect/2896031/30cae303-224d-4299-9a43-10e08bb0888e)   ## Legionella - High Risk Areas to look out for Whilst any building can have high-risk areas associated with it, those in the education system may have some unique difficulties. Things to look out for include: - Classrooms not in use;[![100 - School Holidays and Legionella](https://www.waterhygienecentre.com/hs-fs/hubfs/100%20-%20School%20Holidays.jpg?width=325&height=232&name=100%20-%20School%20Holidays.jpg)](https://www.waterhygienecentre.com/blog/education-legionella-risk) - Classrooms with multiple sinks, such as science rooms, where some sinks with lab taps might not be used for extended periods; - Showers in changing rooms (my memory of school days was that we avoided the showers as much as possible when changing after P.E.); - Outlets in fume cupboards; - Parts of the building with [RAAC ](https://www.waterhygienecentre.com/blog/legionella-risk-raac)concrete. This has become a significant issue for some schools this last year, which can lead to areas of buildings being off-limits. This has two issues – firstly, it will lead to low-use outlets, and secondly, if the areas are off limits for safety reasons, then will there be problems for maintenance to access the areas to flush these outlets?; - Boarding schools or higher education establishments with residential buildings where access may be limited for routine works that would normally be required. -  Cold water storage tanks located in inaccessible locations for inspection.   ## Low use and Legionella Flushing Other difficulties may lie in identifying which outlets are low-use and whether different flushing regimes are required at other times of the year. This will likely occur during the school holiday periods. If you compare usage in term time to that in the holidays, then there will be a huge difference.   You will likely have a set of [low-use outlets](https://www.waterhygienecentre.com/blog/little-used-outlet) being flushed weekly (in line with the guidance in [HSG274 Part 2](https://www.waterhygienecentre.com/blog/acopl8-hsg274-legionella)), although if we can eliminate any [infrequently used outlets](https://www.waterhygienecentre.com/blog/infrequently-used-outlet-flushing), then this would be preferred. During the school holidays, there will be extended periods when there may be very few people in the school!   This is especially the case in the [school summer holidays](https://www.waterhygienecentre.com/blog/legionella-school-holidays), where there could be about 6 weeks of lack of use. So, we need to be aware of these risks and put controls in place to manage them, along the lines of [flushing all outlets](https://www.waterhygienecentre.com/blog/legionella-flushing-regime) throughout the school on at least a weekly basis. Not flushing weekly during holidays can lead to routine sampling identifying unwanted bacteria in the water systems that can normally be managed by routine flushing. Other areas of risk should be considered in an educational setting: - Emergency showers - Water baths - Eye wash facilities In the first instance, risk assessment should always be the first step to establish if there is a significant risk. Emergency showers and eye wash stations will pose a reasonably foreseeable risk for *Legionella, * whereas bottled eye washers do not.  ## So far, low-use and *Legionella *risk, but what about scalding risk? Education facilities, especially those educating our younger or less able children, need to be aware of their need to undertake a [scalding risk assessment](https://www.waterhygienecentre.com/scalding-risk-assessment). This will likely identify younger or less able children as specifically vulnerable to scalding. Where there is a significant risk of scalding and vulnerable people are identified, the use of [thermostatic mixing valves (TMVs)](https://www.waterhygienecentre.com/blog/tmvs-what-are-they) is required by the guidance in HSG274.   Care should be taken not to blanket install TMVs in areas where they are not required, i.e. where there is no significant risk of scalding, such as staff-only accessible areas. There are two main reasons for this: firstly, the presence of TMVs does increase the inherent *Legionella* risk,  so minimising the numbers will help reduce your overall *Legionella* risk; secondly, each TMV will need to be maintained with an annual inspection, clean, descale and disinfecting of any strainers or filters associated with TMVs.   HSG274 guidance says that you should remove TMVs that are not needed.   I am sure there will be other challenges facing those of you responsible for managing our educational establishments, but with the right help and support, these risks can be suitably managed.   If you would like help with [Legionella risk assessments](https://www.waterhygienecentre.com/legionella-risk-assessment-l8), the development of a [Water Safety Plan,](https://www.waterhygienecentre.com/water-safety-plan) or to learn more about [Legionella training](https://www.waterhygienecentre.com/legionella-training) options, [consult with one of our experts on water hygiene](https://www.waterhygienecentre.com/contact).  Editor’s Note: The information provided in this blog is correct as of the date of original publication, August 2024 (Revised July 2026).   © Water Hygiene Centre 2026   [![New Call-to-action](https://no-cache.hubspot.com/cta/default/2896031/ba3583be-f15a-4dcf-973b-e071ac813d2d.png)](https://cta-redirect.hubspot.com/cta/redirect/2896031/ba3583be-f15a-4dcf-973b-e071ac813d2d) #### About the author #### [Jonathan Twaites](https://www.waterhygienecentre.com/blog/author/jonathan-twaites) Jonathan has over 20 years’ experience in water safety covering a huge variety of water systems, including auditing, preparation of and delivery of legionella-based courses, such as general awareness, Role of the Responsible Person, Cooling Tower Operators and Managers training as well as Pseudomonas Awareness in Health Care. ### Related Posts ### [University, College and School Legionella Training](https://www.waterhygienecentre.com/blog/school-legionella-training) by [Charlie Brain](https://www.waterhygienecentre.com/blog/author/charlie-brain), on 24-06-2026 A simple internet search using the words “Legionella and Schools” identifies many news articles with instances of schools being closed following a Legionella “outbreak”. [Read More](https://www.waterhygienecentre.com/blog/school-legionella-training) ### [Legionella– What’s the risk for Children?](https://www.waterhygienecentre.com/blog/legionella-risk-children) by [Jonathan Twaites](https://www.waterhygienecentre.com/blog/author/jonathan-twaites), on 16-06-2026 If you If you follow news feeds on the topic of Legionella, then you will notice that there are several headlines relating to Legionella in our schools. 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