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You are here: Home1 / Water2 / Water Chlorination & Disinfection

Water Chlorination, Disinfection & Water Tank Cleaning

Water chlorination and disinfection

Professional water chlorination, disinfection and cleaning solutions for water services.

Water Treatment Services is 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 solutions help organisations achieve and maintain good standards of water hygiene, and control levels of waterborne bacteria in their water systems.

Our services are delivered by in-field experts who combine the latest high performance cleaning equipment and water treatment technologies to help clean and disinfect hot and cold domestic water systems, extend asset lifecycles and improve water safety and regulatory compliance.

Expert water chlorination solutions

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.

  • Water Tank Cleaning & Disinfection

    Specialist water tank cleaning and disinfection solutions.

  • Tank repair, refurbishment & replacement.

    Water tank repair, relining, refurbishment and replacement.

  • Laboratory Testing

    Water sampling and laboratory testing for legionella bacteria and other waterborne bacteria.

Full national UK coverage

With offices in London serving the South and South East England, Manchester (North West), Birmingham (Midlands), Bristol (South East England and Wales), Leeds (North and North East) and Glasgow (Scotland), supported by regional teams of specially trained engineers, in-field water hygiene service specialists and technical experts we can offer professional, cost effective water chlorination, water disinfection, engineering support and maintenance services across the whole of the UK and Ireland.

Contact Water Treatment Services today to learn how our expert water cleaning, chlorination, disinfection and wider water hygiene solutions can help you to maintain good water quality standards, and improve safety and regulatory compliance. To speak with one of our chlorination and system disinfection experts call us on 0330 223 31 31 or simply use this button.

Contact Us Today

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.

Dirty and poorly maintained water systems, old and dilapidated pipework, neglected water tanks and poorly managed cooling towers can lead to a significant deterioration in water quality standards. Importantly, such conditions can also create ideal environments for the growth and proliferation of dangerous waterborne pathogens such as Legionella. This can significantly increase risks to the health and safety of employees, customers and other people, 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 technicians are expert at performing disinfections of both new and existing water services installations using chlorine in accordance with the requirements of BS EN 806-5:2012, BS 8558:2015 and BS PD 855468:2015. These standards deal with the design, installation, testing, operation, cleaning, disinfection and maintenance of drinking water services inside buildings. Previously British Standard BS 6700 dealt with such issues but was withdrawn on 01 August 2012.

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 Installation

    When a new hot and cold water services installation is completed or an existing one is refurbished.

  • New Components or Equipment

    When new components or equipment are introduced in to the hot and cold water installation.

  • Inactivity

    When the hot and cold water services have not been used, flushed or the water treatment control measures have been inactive for some time.

  • Water Tank Contamination

    If significant contamination or stagnation of the water tanks is identified.

  • Water System Contamination

    Parts of the water system have been substantially altered or have undergone maintenance works that may have introduced contamination.

  • Microbial contamination

    Water sampling results indicate excessive microbial contamination.

  • Legionnaires’ disease

    When an outbreak or suspected outbreak of Legionnaires’ disease or legionellosis is linked to the water installation.

  • Legionella Risk Assessment

    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 suffering from a build-up of stubborn biofilm then a more powerful disinfectant may be required to control the risks.

Under such circumstances our water hygiene engineers often select more powerful alternatives to chlorine alone, including chlorine dioxide, hydrogen peroxide or silver stabilised hydrogen peroxide, all of which are proven to be highly effective against difficult biofilm and legionella bacteria.

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 overall cleanliness we recommend that all cold water tanks be visually inspected at least 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.

Additionally, water sampling should be carried out every 6 months. Such cold water storage tanks should also comply with the WRAS regulations and Bylaw 30 (England and Wales). Note however that if the storage tank does not serve drinking water then there is no specific requirement to clean the tank annually.

For more information please review the DWI’s advice leaflet on water storage tanks and cisterns… water storage tanks →

Controlling pseudomonas in chilled & cooling water systems

Pseudomonas bacteria can cause significant biofouling issues in many chilled and cooling water systems, particularly if they are poorly maintained or left untreated. As Pseudomonas bacteria proliferates throughout such closed-circuit water systems it can accumulate to build thick microbial slimes which not only contaminate the water but also reduce heat transfer efficiencies (cooling) and increase operating costs.

Our expert water treatment engineers use high performance techniques specifically designed to deal with Pseudomonas and other slime forming bacteria in such systems. They act to disperse and then flush the unwanted microbial materials from the water systems to restore water quality and cooling performance.

Cooling tower water treatment, cleaning & disinfection

In addition to our water chlorination, disinfection and water tank cleaning solutions Water Treatment Services also offer a full range of expert cooling tower cleaning, disinfection, water treatment and tower maintenance and repair services covering all types and sizes of cooling tower installation.

For more information on our cooling tower cleaning solutions… cooling towers →

Expert water chlorination, disinfection & water tank cleaning

Contact Water Treatment Services today to discuss your water chlorination and system cleaning requirements. We can provide expert advice and professional water hygiene support regarding the cleaning, disinfection and chlorination of new and existing domestic hot and cold water systems; specialist water tank cleaning, tank repair, refurbishment and water tank replacement.

With offices in London serving the South and South East England, Manchester (North West), Birmingham (Midlands), Bristol (South East England and Wales), Leeds (North and North East) and Glasgow (Scotland), supported by regional teams of specially trained engineers, in-field water hygiene specialists and technical experts we can offer professional, cost effective water hygiene, tank cleaning, water chlorination, disinfection and engineering support services throughout the UK and Ireland.

Contact us today for more information or for your FREE, no obligation quote.

Contact Us Today

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Further reading…

More information on water chlorination, water disinfection and water hygiene… here →

REVIEWS

4.8
Rated 4.8 out of 5
Water Treatment Services is rated 4.8 out of 5 stars (based on 97 reviews)
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Water Treatment

  • Boiler Water Treatment
  • Cooling Water Treatment
  • Closed Loop Water Treatment
  • Legionella Control
  • Cooling Tower Cleaning
  • Cooling Tower Maintenance
  • Chlorine Dioxide Water Treatment
  • Commercial Water Softeners
  • Pre-Commission Cleaning
  • Tank Reline & Repair
  • TMV Servicing
  • Water Chlorination & Disinfection
  • Water Leak Detection
  • Water Testing
    • Drinking Water Testing
    • Metals Testing
    • Pool Water Testing
    • BSRIA Closed System Testing
    • SDI Testing & Analysis
    • Trade Effluent Testing
  • Water Treatment Training
    • Basic Chemistry of Water
    • Industrial Treatment
    • Pre-Treatment
    • Boiler Treatment
    • Cooling Systems
    • Closed Systems
    • Wastewater Training
    • Advanced Treatment

REVIEWS

4.8
Rated 4.8 out of 5
Water Treatment Services is rated 4.8 out of 5 stars (based on 97 reviews)
Read our reviews

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WTS response to Covid-19. As a responsible organisation we have robust Business Continuity Plans in place to ensure business as usual whatever the circumstance. In response to Covid-19, our aim is to ensure continued operations whilst protecting both our people and our clients. To this end we have initiated a number of practical measures that will allow us to continue to support our clients in the most appropriate way. Rest assured that we are making every effort to prevent or minimise any impact on our services during this public health challenge.

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