Water Storage Tank Inspections

HSG274-compliant water storage tank inspections from the UK’s leading water hygiene consultancy.

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What Are Water Storage Tank Inspections?

Water tank inspections are intended to assess the condition of water storage tanks. They involve checking the tank for signs of contamination, fouling, vermin, debris or corrosion.

Tank inspections should be part of your regular water hygiene maintenance routine, and are crucial for protecting building occupants from water-related hazards.

Why Are Tank Inspections So Important?

Storage tank inspections are important for two main reasons:

  • Regulatory compliance - water storage tank inspections are required in order to stay compliant with strict guidelines and legislation, including HSG274, ACOP L8 and the Health and Safety at Work Act

  • Occupant safety - as a dutyholder, you have a responsibility to ensure the safety of your building’s occupants, and take action to keep your water system clean and free from bacteria or contamination

Unchecked, water storage tanks can become fouled and accumulate sludge and debris, which in turn encourages the growth of harmful bacteria such as Legionella.

When Should Water Storage Tanks Be Inspected?

According to HSG274, water storage tanks should be inspected annually. This involves checking the condition of the tank inside and out. The state of the tank will determine what action is required, if any, and how often.

HSG274 Figure 2.12 indicates the appropriate steps based on the findings of the inspection. These can vary from cleaning and disinfection to more serious remedial works.

If issues are found in your storage tank, remedial action will be required more often to prevent them from recurring.

Our Storage Tank Inspection Process

To ensure the same quality and strict adherence to all relevant regulations, we operate a proven three-step process for our water tank inspection services:

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Quote and Assessment

Start by reaching out to our friendly team. We will consult with you about the number of storage tanks at your property, their size and type, so we can plan your inspection and issue an accurate quote. We can then arrange a date for your inspection to take place.

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Inspection

One of our expert water hygiene technicians will attend your site at the agreed date and time, ensuring clear communication throughout. They will conduct an HSG274-compliant inspection of your water tank or tanks, evaluating all necessary parameters.

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Report

Finally, we will provide you with a detailed report. This will include a clear, action-oriented breakdown of our findings.

At EMS Water, we also provide a range of remedial services to address any issues found during your inspection. We are always happy to provide these to our clients, but remedial services are quoted separately upon request, to prevent any conflict of interest between our inspections and remedial services.

Types of Tanks We Inspect

We offer expert water storage tank inspections for a wide range of potable and non-potable tank types and materials, including:

  • Loft tanks

  • Above-ground tanks 

  • Underground tanks 

Whatever type of tank you have and wherever it is installed, we can provide thorough, regulation-compliant water tank inspections.

Common Issues Identified During Tank Inspections

There are several issues that we find regularly during storage tank inspections: 

  • Debris - because water is allowed to sit still while inside storage tanks, any suspended materials gathered from elsewhere in the system tend to settle in the bottom of the tank, building up over time

  • Corrosion - metal tank components can begin to rust with constant exposure to moisture

  • Contamination - in some cases, water tanks can become contaminated with bacterial growth such as Legionella, posing serious health risks to building occupants

  • Vermin - storage tanks can be impacted by vermin, including rodents, birds, insects and even reptiles and amphibians, which can find their way into the tank and become trapped

Any of the issues listed above will require remedial action of some kind to keep your water tank safe and compliant.

Why EMS Water for Tank Inspections?

EMS Water is one of the UK’s leading water hygiene consultancies. We offer HSG274-compliant water storage tank inspections, helping dutyholders meet their obligations with ease.

Our expert team conducts thorough inspections followed by a detailed report with clear, actionable findings. We provide impartial, legally-grounded advice and support for every aspect of your water hygiene compliance.

With branches around the UK, including in Hereford, Worcester, London and Cardiff, we have been helping clients around the country for many years. To book your tank inspection, just reach out to us today by calling 0800 358 1100, emailing info@emswater.co.uk or filling out our contact form.

FAQs About Water Tank Inspections

What is a water storage tank inspection?

A water tank inspection is a thorough check of both the inside and outside of your tank to make sure it is safe, clean and fit for use. It goes beyond just visible cleanliness, assessing overall condition and identifying potential risks such as damaged or insecure lids, missing or faulty insect screens, internal corrosion or features like hollow supports where bacteria such as Legionella can develop.

How long does a tank inspection take?

The length of your inspection will vary based on the size, type, location and condition of your tank. For a tailored time estimate, call our friendly team now on 0800 358 1100.

What standards do your water tank inspections follow?

Our storage tank inspections are conducted in accordance with key guidelines including HSG274 and ACOP L8, and help our clients demonstrate compliance with strict legislation and regulations, including the Health and Safety at Work Act and COSHH.

How often should tanks be inspected?

HSG274 indicates that, “An annual inspection of the cold water storage tank should be done to check its condition inside and outside, and the water within it.” If issues are found in your tank, inspections may be required more frequently to ensure they do not recur.

What other water hygiene services do you offer?

We offer a complete suite of water hygiene services, including water testing, temperature monitoring, Legionella risk assessments, expansion vessel flushing and more. We provide everything you need to keep your water system safe and compliant.
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