The Importance of Potable Water Sampling from Cold Water Storage Tanks
Potable water—water that is safe for human consumption—is a vital component of public health infrastructure. Ensuring its quality is not only a regulatory requirement in many regions but also a fundamental aspect of protecting the health and wellbeing of building occupants. One critical but sometimes overlooked area in maintaining potable water safety is the regular… Read more »
Expansion Vessels in Water Systems: Purpose, Design, and Good Practice
Expansion vessels are widely used in both domestic and commercial water systems to help manage pressure changes and protect system components. When correctly selected, installed, and maintained, they contribute to system stability, equipment longevity, and compliance with safety expectations. This article explains why expansion vessels are used, how they operate, and what good practice looks… Read more »
Why You Should Involve a Water Hygiene Consultant in Your Water System Refurbishment Plans
When planning a refurbishment of your building’s water systems — whether it’s an upgrade to old pipework, installing new tanks, or modernising controls — it’s tempting to think that a good M&E contractor or facilities team can handle it all. But one crucial expert often overlooked in these projects is the Water Hygiene Consultant. Their… Read more »
Legionella Dossier – Podcast with Carl Ollerton GMS Services Ltd
When Jamie Green of Legionella Dossier met up with over Technical Director Carl Ollerton.
Housing Association fined £900k after putting resident at risk of exposure to legionella in the properties water system.
44 samples were found to be positive which indicated that the water system was colinised with Legionella Bacteria. The Health and Safety Executive (HSE) sucessfully prosicuted Sanctury Housing and identified that they poorly managed the risk of legionella in the water system of Vincent Naughton Court, with staff inadequately trained and supervised. The residents were… Read more »
Contract Win News!
We have been sucessful with a recent tender bid to provide services to Knowsley Council. GMS have been awarded a 3 year term contract to provide Legionella Risk Assessments, Legionella and Water Hygiene PPMs, Training and Remedial Services. We are excited to get started with another local authority based in NW England. This Council is… Read more »
Contract Win!
We are delighted to announce a recent contract award with Blackburn With Darwen Council. We have been awarded the Water Hygiene Monitoring Contract for the local authority which will commence rom July 2024. The contract will be mobilised and managed by our contract team including Contract Manager – Ben O’Berg, Contract Coordinnator – Cath Dahl… Read more »
Mental Fitness Workshop
Many thanks to Andrea Bellamy (MCIPD) of ABC HR for carrying out a #mentalfitness workshop for the team yesterday. This included a session from #stateofmind presented by Phil Veivers. The session was used to launch our Mental Health Workforce Strategy which included the launch of our mental health champions scheme and roll out of our (EAP) Employee Assist Programme.The session was received… Read more »
Meet Martin – PPM Engineer
Length of service as of April 2023 – 12 months I have been at GMS for around 12 months now and during that time I have been working as a water hygiene engineer. My day to day tasks are to carry out the planned preventative maintenance side (PPM) taking water temperatures, servicing expansion vessels ,calorifiers,… Read more »
Customer Focus – June 2022
An interview with Louise Brown – Wigan & Leigh College Wigan & Leigh College is a further education organisation which provides education for students aged 16+. The college has around 9000 students and is split across 7 buildings. 4 in Wigan and 3 in Leigh. In April 2022, the college appointed GMS Services Ltd to… Read more »











