Water System Chlorination and Certification (BS8558)

The cleaning, disinfection, and chlorination of water systems are critical to maintaining suitable water hygiene standards. This is particularly so in domestic water systems where microbial contamination can lead to profound health implications. That’s why regular water system chlorinations are very important.

Chlorination Activities 

Cleaning and chlorination activities involve adding chlorine, a cost-efficient but effective disinfectant, to a mains water supply. The chlorine is added at a specific concentration and for a specified period to clean and disinfect the water system, pipework, and water tanks.

Why do we need to Chlorinate Water Systems?

Chlorinating a water system is a proven way of disinfecting water systems and their constituent parts. In addition, it helps to remove dangerous waterborne pathogens, including Pseudomonas and Legionella bacteria. These bacteria can quickly build up over time and contaminate the entire water system.

Disinfection Process

Water system chlorination using chlorine has been used to clean and disinfect water systems successfully in the UK for many years. New water systems have a legal requirement to have a mains chlorination performed and subsequent certificate issued. This is an essential part of the disinfection process identified in several key standards, including BS EN 806-5:2012, BS8558:2011, and BS PD 855468:2015. These British Standards deal with the design, installation, testing, operation, cleaning, disinfection, and maintenance of drinking water services inside buildings.

When is Water Chlorination Required?

Chlorination of water systems, either new or existing, should be carried out for the following reasons:

  • Contamination or possible contamination of water systems
  • Legionella risk assessment results recommend cleaning and chlorination.
  • Water system inactivity and stagnation

It is a legal requirement for new, refurbished & modified water systems to have a mains chlorination and subsequent chlorination certificate issued before the pipe is connected to a mains water system. In addition, water utility companies impose strict standards for the cleaning and disinfection of mains water systems before connecting to their network.

Chlorination Certificate

We can issue a Mains Chlorination Certificate instantly, on-site, as soon as the job is completed. 

Contact us

If you would like a no-obligation quote, you can use our online quote form for an instant quote, book a Mains Chlorination directly or email a member of the team.

Chlorination Systems

The Safe Water System (SWS) was developed in the 1990’s in response to an epidemic of cholera in South America.

The treatment method for the SWS is chlorination. The SWS also incorporates emphasis on the safe storage of treated water as well as behaviour change communications. 

Benefits of chlorination

The benefits of chlorination are:

  • Proven reduction of most bacteria and viruses in water systems
  • Ease-of-use and acceptability
  • Proven reduction of disease incidence
  • Scalability and very low cost

Water system chlorination for domestic and commercial water systems

The cleaning, disinfection, and chlorination of water systems is an essential activity that helps maintain good standards of water hygiene. This is particularly important in domestic and commercial water systems where contamination often leads to serious problems such as Legionnaires’ Disease.

Cleaning and chlorination activities involve adding chlorine. Chlorine is a cost-effective yet very effective disinfectant. The chlorine must be added to the water as a specific concentration for a specified period. This ensures the water is disinfected as well as the water system, pipework and water tank.

Contamination of water systems

If a water tank is contaminated or a whole water system, urgent testing, and sampling are required.   The test results will reveal whether microbial contamination has taken place. Immediately after this the system should undergo full cleaning and chlorination of water systems should be carried out as soon as possible.

No obligation quote

If you have a chlorination job and would like a no-obligation quote you can request a quote online, book a Mains Chlorination on our website, speak to a member of the team or chat via our live chat function.