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Pipework Chlorination – Explained

chlorinating pipework & water mains chlorination - image of PTS working on pipework.

Chlorinating Pipework– Quick Explanation

    Here’s a quick read on chlorinating pipework – exactly what you need to know, if you require this type of service, and how PTS carries out this type of work

    In short, chlorinating pipework means treating water pipes with chlorine to kill bacteria and ensure our water is safe for use. Our team, at Pipe Testing Services (PTS) carries out chlorination services regularly nationwide, up and down the country. This thorough disinfection method involves flushing pipework and internal water systems, for clean, potable water.

    As a crucial step in safeguarding public health, pipework chlorination is essential for both new installations and existing systems requiring maintenance.

    You can read more here about Chlorination for Water Main Repairs and Replacements – our dedicated blog-page if you require more information regarding maintenance and repairs for water mains, as per our chlorination services.

    What is Pipework Chlorination?

    Pipework chlorination is a specialised procedure where water pipes and associated systems are cleaned and disinfected using a chlorine-based solution. This process is designed to eradicate harmful bacteria, viruses, and other microorganisms. Ultimately, it’s a safety measure where chlorine is used to clean water pipes and protect public health.

    When is Chlorinating Pipework Required?

    Pipework chlorination is necessary in various scenarios, including:

    • Installation of new water systems or pipework
    • After major repairs or modifications to existing systems
    • When contamination is suspected or detected
    • Following periods of disuse or stagnation

    As part of regular maintenance schedules for large-scale water systems and water mains.

    The Pipework Chlorination Process – How to Chlorinate Pipework

    Here’s the simplified process that we carry out for clients across the UK:

    chlorinating pipework & water mains chlorination - image of PTS working on pipework.

    Differences in Chlorinating New vs. Old Pipework

    New Pipework Chlorination

    When chlorinating new pipework, or water mains chlorination, the focus is on removing manufacturing residues and preventing initial contamination:

    New Pipework Chlorination

    Chlorinating older, existing pipework presents unique challenges:

    Do I need Pipework Chlorination?

    Chlorinating pipework can be crucial in many situations.

    Whether for new installations, system maintenance, or addressing contamination concerns, professional pipework chlorination is an essential service for businesses, municipalities, and property managers alike. You may need pipes chlorinated if;

    • Major repairs or modifications have be recently carried out, after significant plumbing work, for instance. Or, when replacing large sections of pipework.
    • Suspected contamination following a positive test for bacteria. And, if water appears discoloured or has an unusual odour.
    • Extended periods of disuse in buildings left vacant for long periods. Typically, buildings that close for seasonal operations. Water systems often need maintenance and chlorination works before reopening.
    • Regular Maintenance as part of scheduled upkeep for large water systems. Specifically, in healthcare facilities and other sensitive environments.
    • Legal Requirements or obligations, to comply with local water quality regulations before connecting to public water supplies.

    What Does Pipework Chlorination Test For?

    • Presence of E. coli and other coliform bacteria
    • Total Viable Count (TVC) of microorganisms
    • Chlorine residuals
    • Water turbidity and clarity
    • pH levels
    • Specific contaminants relevant to the local water supply
    Image used as an example for legionella detection, water microbiological sampling, and, legionella testing services. Legionella control in healthcare facilities

    What are the Benefits of Professional Pipework Chlorination?

    Engaging in professional services from us at PTS offers its advantages. Especially when it comes to works as important as chlorinating pipework, new and old:

    Expertise in handling potentially hazardous chemicals. As well as, proper equipment and techniques for effective disinfection. We also ensure compliance with local regulations, and, uphold industry standards. Moreover, we carry out comprehensive testing and documentation. Lastly, there is a minimised risk of recontamination during the process.

    Pipework Chlorination Best Practices

    At PTS, we ensure the most effective chlorination process by following certain practices, and engaging our tried and true methods. These are industry standards:

    In Need of Expert Pipework Chlorination Services?

    For professional pipework chlorination services that ensure the safety and compliance of your water systems, contact our expert team today. We offer comprehensive chlorination solutions tailored to your specific needs, backed by years of experience and adherence to the highest industry standards.

    Phone – 01922 451646

    Email –

    Address – Unit 27 Birchbrook Industrial Estate, Shenstone, Lichfield, Staffs, WS14 0DJ

    Safeguard your water supply with our expert pipework chlorination services – because clean, safe water is not just a necessity, it’s our commitment to you.

    Take a look, and don’t hesitate to get in contact with us at PTS – all of our team our EUSR certified with over 15 years in the business. We’ll provide a personalised quote, and a cost-effective solution for any chlorination service you require.

    Get in Touch for Chlorination Services, Chlorination of Pipework – Whether it’s New or Old