Practical, proportionate compliance you can rely on

Legionella compliance is a legal duty for those responsible for managing water systems in non-domestic buildings.

At TWC, we support duty holders and those managing buildings in meeting their obligations under ACoP L8 and HSG274 through structured, evidence-based compliance programmes.

Legionella compliance means employers and premises holders must manage risks from Legionella bacteria in water systems by conducting risk assessments, implementing control measures (temperature control, flushing), appointing competent persons, keeping detailed records and regularly reviewing plans.

The TWC approach

Since 1992, TWC has been providing Legionella Compliance services and we are registered with the Legionella Control Association.

Our approach focuses on prevention, clarity, and consistency. We help clients understand their systems, manage risk effectively, and maintain accurate records that stand up to scrutiny.

Whether you oversee a single site or a complex portfolio, our team provides reliable support at every stage.

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Our Services

Routine monitoring protects your systems between assessments.

  • Our engineers perform temperature checks, outlet and asset inspections, microbiological sampling, and record keeping.
  • All aligned with your Written Scheme of Control.
  • You’ll receive detailed reports showing trends, exceptions and required actions.

We carry out thorough Legionella risk assessments that identify hazards, assess risk, and define proportionate control measures. Each assessment includes a clear Written Scheme of Control that outlines roles, monitoring requirements, and remedial actions.

Our engineers conduct temperature monitoring, outlet and asset inspections, flushing regimes, and system checks in line with regulatory guidance. Findings are recorded accurately, with clear escalation where action is required.

Where appropriate, we carry out microbiological sampling and trend analysis. Reports are structured, easy to interpret and stored digitally to support audits, inspections, and internal reviews.

Ongoing support & advice

Compliance is not static. We work closely with clients to review performance, update assessments, and adapt controls as buildings or usage change.

Legionella Compliance

Contact us

TWC Services have been making water work since 1992. We believe in what we do, and so do our clients.

Our water treatments and water hygiene services – and our strong customer focus – make us the natural choice. Our site will tell you more about what we do, and how we can help you.
  • Decades of experience
  • Nationwide coverage
  • Clear communication
  • Support when you need it

Contact our team