Water Chlorination, Disinfection & Water Tank Cleaning

Integrated Compliance are a leading UK water treatment company offering a full range of expert water hygiene services including water chlorination, drinking water disinfection and cleaning of new and existing domestic hot and cold water systems; water tank cleaning, tank repair, relining, refurbishment and water tank replacement.

Our cleaning, chlorination, disinfection and water treatment services help organisations achieve and maintain good standards of water hygiene, and control levels of waterborne bacteria in their water systems.

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Water tank cleaning & disinfection

The cleaning and disinfection of cold water storage tanks should be conducted in accordance with BS EN 806-5:2012, BS8558:2015, BS PD 855468:2015 and the guidelines issued by the Drinking Water Inspectorate (DWI).

To determine cleanliness it is recommended that all cold water tanks be visually inspected every six months together with water sampling to determine if cleaning, disinfection, repair or replacement is required. Guidelines issued by the Drinking Water Inspectorate (DWI) concerning water tanks serving drinking water require these to be drained, cleaned and disinfected annually.

Expert water chlorination services

Our expert water hygiene, water chlorination, disinfection, water tank cleaning, maintenance and engineering support solutions include:

Water System Cleaning & Disinfection
Comprehensive hot and cold water system cleaning, disinfection and chlorination services for new and existing installations to meet the requirements of BS EN 806-5:2012, BS 8558:2015 and BS PD 855468:2015.

Cold Water Storage Tank Cleaning & Disinfection
Expert Cold Water Storage Tank cleaning and disinfection services.

Tank repair, refurbishment & replacement.
Water tank repair, relining, refurbishment and replacement.

Maintaining good water hygiene standards

Maintaining good standards of water hygiene and controlling levels of dangerous waterborne bacteria, including Pseudomonas and Legionella bacteria, which causes the potentially fatal condition Legionnaires’ disease, is an essential component in the successful management of any engineered water system.

Poorly maintained water systems, old and dilapidated pipework, neglected water tanks can lead to significant deterioration in the quality of water standards. Importantly, such conditions can also create ideal environments for the growth and proliferation of dangerous waterborne pathogens such as Legionella. This may significantly increase risks to the health and safety of employees, customers and system users, but it can also have a legal impact on your business as you may be breaking the law, exposing you and your business to potential legal action or civil prosecution.

Water chlorination & disinfection of new & existing water systems

Our teams of highly trained water treatment engineers are experts in performing disinfections of both new and existing water services installations in accordance with the requirements of BS EN 806-5:2012, BS 8558:2015 and BS PD 855468:2015. These standards formulate standards in regards to design, installation, testing, operation, cleaning, disinfection and maintenance of drinking water services inside buildings.

When to clean & disinfect hot & cold water systems

New or existing water services installations should be cleaned, flushed and disinfected under the following circumstances:

  • New or Refurbished hot and cold water Installation
  • New Components or Equipment introduced to existing system
  • When the hot and cold water services have not been used, flushed or the water treatment control measures have been inactive for some time.
  • If significant contamination or stagnation of the water tanks is identified.
  • Parts of the water system have been substantially altered or have undergone maintenance works that may have introduced contamination.
  • Water sampling results indicate excessive microbial contamination.
  • When an outbreak or suspected outbreak of Legionnaires’ disease or legionellosis is linked to the water installation
  • As a recommended remedial action identified in the legionella risk assessment.

Dealing with legionella bacteria & biofilm contamination

Where a water system is known to be contaminated with legionella bacteria or is suspected of harbouring a build-up of biofilm then a more powerful disinfectant may be required to control the risks.

Integrated Compliance use a number of chemical products including chlorine, chlorine dioxide, hydrogen peroxide or silver stabilised hydrogen peroxide, all of which are proven to be highly effective against difficult biofilm and legionella bacteria.

FAQ’s

How do I control the risks from legionella in my water system?

The key point is to design, maintain and operate your water services under conditions that will either prevent or adequately control the risk from legionella bacteria. It is important that you either have, or have access to, competent help to fulfil these obligations.

If you identify a risk that you are unable to prevent, you must introduce appropriate controls. You should introduce a course of action that will help you to control any risks from legionella by describing:

  • your system and its component parts eg developing a schematic diagram
  • who is responsible for carrying out the assessment and managing its implementation
  • the safe and correct operation of your system
  • what control methods and other precautions you will be using
  • what checks will be carried out to ensure risks are being managed and how often

You should where appropriate:

  • ensure that the release of water spray is properly controlled
  • avoid water temperatures and conditions that favour the growth of legionella and other micro-organisms
  • ensure water cannot stagnate anywhere in the system by keeping pipe lengths as short as possible or by removing redundant pipe work
  • avoid materials that encourage the growth of legionella (The Water Fittings & Materials Directory references fittings, materials, and appliances approved for use on the UK Water Supply System by the Water Regulations Advisory Scheme)
  • keep the system and the water in it clean
  • treat water to either control the growth of legionella (and other microorganisms) or limit their ability to grow.
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