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About TVWS

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Here at Thames Valley Water Services our aim is to help our customers understand and maintain the often complex Health and Safety aspects towards their Legionella compliance needs. 

We work to the HSE ACoP L8 HSG274 guidelines. We can offer advice and solutions when needed and help as and when it is required. 

We believe in doing things the right way, and will guide you through from the risk assessment stage, onto any maintenance programme you may require. An on site log book will help you to keep all the information and records of any Legionella work completed on site, this will help you stay up-to-date and compliant as records must be kept for at least 5 years. (HSE)

We can offer all your sampling requirements if the conditions in your premises deem it necessary. There are several reasons when sampling is required, again we will guide you through the process, and offer the most competitive rates and certificates of analysis with any recommendations that may be required once the samples results have been received from the UKAS accredited laboratory.

At Thames Valley Water Services we pride ourselves on our customer focus and we strive to go the extra mile to offer a professional and friendly service.

From Legionella risk assessments, new pipework Chlorination's to closed system health checks, Thames Valley Water Services can offer a comprehensive service with documentation and certificates for your records. System monitoring at set intervals with analytical reports on completion to help you understand what condition your heating & domestic system is in.

If you require an informal chat about your requirements, we will be more than happy to listen and offer the best advice we can to help you be compliant with your Legionella requirements.

At Thames Valley Water Services our aim is to work alongside our customers and we will endeavour to offer a first class service from the very start. Our overall aim is to ensure you are compliant, offer the best advice we can and be with you every step of the way.


With over 20 years’ experience in managing contracts for the Control of Legionella Bacteria in water systems. Contracts include NHS Heath Centres, Police Authorities, Universities, Housing Associations, Councils, Local Authorities, Hotels, Schools (Private and Mainstream), Housing, Dentists, Prisons, Residential Care Homes and Swimming Pools.

Our staff have a wide range of Qualifications including WMS Legionella Risk Assessments City and Guilds, Disinfection Certificates, Water Regulations and Pool Plant Professional.  All our engineers have DBS (Formally CRB) Checks.

With a detailed knowledge of ACoP L8 HSG274 and HTM 04-01. TVWS can offer a complete water treatment package to suit your needs.

Health & Safety 

We are proud to work with GH Safety who also help with our Company H&S requirements

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Thames Valley Water Services  Ltd

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