Legionella and Water Regulations
From a domestic house water service disinfection to a Risk Assessment and remedial works to a large care home and everything in between. At DSS Waterguard, we specialise in comprehensive Legionella control and water regulation compliance services designed to protect your people, property, and reputation. Our experienced team carries out Legionella risk assessments, water system monitoring, disinfection, and remedial works in full accordance with current HSE Approved Code of Practice (ACoP L8) and Water Supply (Water Fittings) Regulations.
From routine testing and tank cleaning to complete system upgrades, we ensure your water systems remain safe, efficient, and fully compliant. With a focus on quality, safety, and customer care, DSS Waterguard provides a reliable service you can trust for total peace of mind.

Assessments are carried out with the minimum disruption to your business and to HSE Legionnaires’ disease. The control of legionella bacteria in water systems approved code of practice HSG274 which is required for commercial buildings employing five or more personnel.
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House files compiled with pipe work schematic / photos
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Legionella risk assessments
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Legionella control – removal of dead legs, remedial works for cold water storage cisterns, cleaning of shower heads, temperature monitoring etc
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Disinfection of cold water storage cisterns, cylinders, tanks etc
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Maintenance of thermostatic mixing valves
vice in York and Yorkshire, contact us today.
We are also one of the few companies in the region who are qualified to fit and test RPZ valves for backflow protection complete with certification sent to the client and the relevant water authority for the area.
During this process we would identify and evaluate all potential risks and advise the client on what measures to take to comply and provide a written report. This could involve producing a regime of programmed temperature monitoring, disinfection works and inspection of stored water.


