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Cold water storage tank disinfection involves draining, cleaning, sterilising and recommissioning storage tanks. The goal is to remove contamination and kill any bacterial growth in order to prevent the tank from presenting a water hygiene risk to building occupants.
Dutyholders, such as property owners, operators, landlords and employers, are required to keep the water system at their premises clean and operational. There is particular focus on the need to prevent the growth of Legionella bacteria, which is laid out in HSE guidance, including HSG274 and ACOP L8.
Part of meeting these obligations means ensuring all parts of your water system are inspected and cleaned if necessary, including any cold water storage tanks. Without routine inspections and cleaning, tanks can collect debris and sludge, encourage bacterial growth and pose a hygiene risk to building occupants.
Our HSG274-compliant water tank cleaning services follow a thorough five-step process:
01 - Quote and Assessment
Start by reaching out to our friendly team. We will discuss the size and type of water tank at your property, as well as the findings of your most recent inspection. We can then use this information to create a bespoke quote. Once your quote is agreed, we will arrange a date and time for your tank cleaning to take place.
02 - Draining
Our team will arrive at your site as planned and begin by draining your storage tank. This will allow them to access it more easily and accurately assess the approach they need to take.
03 - Cleaning and Disinfection
With the tank drained, our technicians will meticulously clean the inside of your tank, removing any dirt, debris and sludge. Once physically clean, the tank will then be thoroughly chemically disinfected, killing any bacterial growth.
04 - Flushing and Recommissioning
After it has been disinfected, the tank will need to be refilled with clean water and flushed to remove the chemical solution. Once it has been flushed, the tank can be put back into normal use.
05 - Documentation
Finally, we will provide you with a record of our water tank cleaning services. It is important that you keep this and file it with your other water hygiene documentation. It will serve as proof of compliance if requested by the HSE or any other regulatory body, such as the CQC.
Cold water tank cleaning is a remedial service designed to remove debris, sludge and bacterial contamination from water storage tanks. It is suitable for any premises fitted with a cold water tank, which can include schools, care homes, healthcare facilities, offices, commercial properties and more.
Whether your water tank needs cleaning will be determined by the outcome of your water tank inspection. This should be conducted once every year, as per HSG274 guidance.
Cold water storage tank disinfection is a normal part of a water hygiene regime, and should be conducted whenever required, as per the outcome of your water tank inspection. According to HSE guidelines, you need to have your tank inspected annually, and if debris, contamination or any other issues are found, cleaning will likely be recommended.
Failure to follow this recommendation could constitute a breach of key legislation and regulations, including the Health and Safety at Work Act and COSHH. After your cold water tank cleaning, you will receive documentation that serves as proof that the cleaning took place. This is important to demonstrate your compliance in the future.
EMS Water is one of the UK’s most trusted water hygiene consultancies. We offer all the support, guidance and services you need to maintain water hygiene compliance, whether you are the duty holder for an office, commercial property, healthcare facility or industrial premises.
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The cost of water tank cleaning will vary depending on the size, type and condition of your tank. However, having your tank cleaned is a legal requirement if it has been recommended in your inspection report. Failure to follow the recommendation could lead to legal challenges and even greater costs. For a tailored quote, contact us today.
