Mains Chlorination

Installing new water pipes and connections to the mains water network

Installing new water pipes and connections to the main water network is common in many buildings. However, ensuring that the new connection does not introduce harmful bacteria, including Legionella, into the water supply is essential. One effective way to prevent this is through mains chlorination.

The process of mains chlorination is adding chlorine to the mains water supply to kill bacteria and disinfect the water. This process is essential before a new water pipe connection is connected to the mains water network to ensure the water supply remains safe and free from harmful bacteria.

Why is mains chlorination important?

The mains water supply is the primary water source for most buildings, including schools, hospitals, and hotels. Any new connection to the mains water network can potentially introduce harmful bacteria, including Legionella, into the water supply. Legionella is a type of bacteria that can cause Legionnaires’ disease, a potentially fatal respiratory illness.

Therefore, it is crucial to ensure that any new connection to the mains water network is thoroughly disinfected and safe before it is connected to the building’s water system. Mains chlorination is an effective way to achieve this.

The mains chlorination process

The mains chlorination process involves adding chlorine to the water supply to disinfect and kill bacteria. The amount of chlorine added is carefully measured to ensure that it is enough to kill any bacteria but not enough to cause any harm to humans.

The chlorination process usually involves flushing the water system with chlorine and then leaving it for a specific amount of time to allow the chlorine to disinfect the water. After the required time has passed, the system is flushed again to remove excess chlorine before the new connection is connected to the main water network.

Working with a reputable mains chlorination company

Mains chlorination is a highly specialised process that requires expertise and experience. Therefore, working with a reputable water hygiene company that can provide the necessary services is essential.

A reputable water hygiene company can conduct a risk assessment before mains chlorination to identify potential risks and ensure the process is conducted safely and efficiently. They can also guide the most effective and appropriate chlorination method for the building’s water system.

In addition, a reputable water hygiene company such as Mains Chlorination will provide a chlorination certificate which is required by the water authority before a connection can be made.

Why you need a mains chlorination

Mains chlorination is an essential process that should be conducted before any new water pipe connection is connected to the main water network. It is a highly specialized process that requires expertise and experience to be conducted safely and efficiently.

Working with a reputable water hygiene company can provide the necessary expertise and resources to ensure that the mains chlorination process is conducted effectively and that the building’s water system remains safe and compliant with regulations and guidelines. By taking the necessary steps to ensure the safety of the water supply, building managers can have peace of mind knowing that the public is protected from harmful bacteria, including Legionella.

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Do I need a Mains Chlorination?

Mains chlorination is adding chlorine to the public water supply system to disinfect the water and make it safe for public consumption. Chlorine is a powerful disinfectant that kills harmful microorganisms such as bacteria, viruses, and protozoa. Chlorine has been used for over a century to treat drinking water and has proven effective in preventing waterborne diseases.

Benefits of Mains Chlorination

One of the main benefits of mains chlorination is that it can prevent the growth of Legionella bacteria in the water supply. Legionella bacteria cause Legionnaires' disease, a severe form of pneumonia that can sometimes be fatal. Legionella bacteria are commonly found in warm water environments such as hot water tanks, cooling towers, and plumbing systems. If the Legionella bacteria are present in the water supply, they can cause an outbreak of Legionnaires' disease, which can be deadly.

Chlorine Safety

Adding chlorine to the public water supply system will kill any Legionella bacteria that may be present. This will prevent the bacteria from spreading throughout the water supply system, potentially causing an outbreak of Legionnaires' disease. Chlorine is also effective in preventing the growth of other harmful bacteria, viruses, and protozoa that may be present in the water supply.

Mains chlorination also helps to improve the taste and smell of the water. Chlorine can help to remove unpleasant odors and flavors from the water, making it more palatable for public consumption. Chlorine can also help to remove color and turbidity from the water, making it clearer and more visually appealing.

In addition to its benefits, mains chlorination is also required by law in most countries to ensure that the public water supply is safe for consumption. Public water suppliers must monitor chlorine levels in the water supply and maintain the appropriate levels to ensure that the water is safe for public consumption.

Approved Mains Chlorination Provider

It is important to use an approved mains chlorination provider to ensure that the chlorination process is done correctly and in accordance with the regulations. An approved mains chlorination provider will have the equipment and expertise to safely and effectively perform the chlorination process. They will also be familiar with the local regulations and requirements and can ensure that the chlorination process is compliant.

Using an unapproved mains chlorination provider can be dangerous and may result in an inadequate chlorination process that does not effectively disinfect the water supply. This can spread harmful bacteria, viruses, and protozoa in the water supply, potentially causing an outbreak of waterborne diseases.

Mains Chlorination UK Standards

In the UK, mains chlorination certificates are required before new water pipes can be connected to the public water supply. This is to ensure that the new water supply system is safe for public consumption and meets the necessary standards and regulations.

Mains chlorination certificates are issued by approved mains chlorination providers such as Mains Chlorination Ltd who have the equipment and expertise to perform the chlorination process safely and effectively. These providers follow strict guidelines and regulations to ensure the chlorination process is carried out correctly and to the required standards. We deliver an electronic mains chlorination certificate on-site and follow up with the lab results within five working days.

Why is it a requirement to have a Mains Chlorination?

The requirement for mains chlorination certificates is particularly important for new water supply systems, such as those for new buildings or developments. When a new water supply system is installed, it may be contaminated with harmful bacteria or other microorganisms that can pose a risk to public health. Chlorination is an effective way to disinfect water and make it safe for consumption.

Mains chlorination certificates are also required when a water supply system has been contaminated, such as in the case of a water main break or contamination from a nearby source. Chlorination can help to disinfect the water and prevent the spread of harmful bacteria or other microorganisms.

Without a certificate, there is a risk that the water supply system may not meet the necessary standards and regulations for public consumption. This can pose a risk to public health and potentially lead to outbreaks of waterborne diseases.

In addition to the requirement for ertificates, the UK has strict regulations to ensure the safety and quality of the public water supply. These regulations cover areas such as water treatment, distribution, and monitoring. The Drinking Water Inspectorate enforces the regulations, which ensures that public water suppliers comply with the necessary standards and regulations.

Certificates are essential for ensuring the safety and quality of the public water supply in the UK. They help to prevent the spread of harmful bacteria and other microorganisms and ensure that new water supply systems meet the necessary standards and regulations for public consumption. By using approved mains chlorination providers and obtaining mains chlorination certificates, the public can be confident that their water supply is safe and high-quality.

Mains chlorination is essential for ensuring the public water supply is safe for consumption. It can prevent the growth of harmful bacteria, viruses, and protozoa, including Legionella bacteria, which can cause serious illnesses like Legionnaires' disease. Mains chlorination can also improve the taste and smell of the water and is required by law in most countries to ensure compliance with safety regulations. It is essential to use an approved mains chlorination provider to ensure that the chlorination process is done correctly and by the regulations, ensuring the safety of the public water supply.

To discuss your Mains Chlorination, please contact a team member today, book a Mains Chlorination online, or request an instant online quote.

Mains Injection and Pipework Chlorination

Mains injection and pipework chlorination

A mains injection or pipework chlorination is disinfecting and pre-commissioning the hot and cold domestic water supplies connecting to the mains. This connection extends to a building's internal hot and cold domestic system.

Which type of water supply are you working with?

Internal Water Supply

The building's internal hot and cold domestic system is an internal water supply, including all pipework and storage tanks. This process ensures safe potable water to water outlets such as showers and taps.

External / New mains Water Supply

Suppose you are installing a new water mains supply to a site. In that case, there is a legal requirement by the local water authority for the pipework to be flushed and disinfected to the water authority's specification.

The relevant water authority will not approve your mains connection unless a mains chlorination is conducted with an appropriate provider. Once this is done, you will be provided with a certificate that acts as a green light to be connected. This is in place to prevent contamination of the water supply.

Industry Standards

The recognised standard for undertaking mains chlorination work is BS 8558:2015 (and Guide PD855468:2015) alongside any additional requirements of specific water authorities.

Contact us today

For advice on your mains chlorination job, you can submit your details in the contact form. Alternatively, you can request a free quote by clicking the GET A QUOTE button below. You can also choose a date and time that works for you and book online. We cover the whole of the UK.

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Leeds Mains Chlorination

If you are looking for a reliable, fast turnaround Mains Chlorination provider in Leeds we are here to help.

Water networks

We work with all the major networks around the UK including Yorkshire Water. You can view our dedicated page to Yorkshire Water here.

Yorkshire Water

Yorkshire Water has a very useful guide which is designed to assist developers and self-lay organisations (SLP) at the application and
design stage of a new development by giving clear guidance on what Yorkshire Water considers to be good design practice, and acceptable pipework layouts. They state that "It should assist with avoiding unnecessary delays early on in the application process and unforeseen costs during the construction phase. It is based on industry-wide guidance from the National Joint Utilities Group
(NJUG)."

You can view the document here.

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.