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Temperature Monitoring & Water Safety Programmes

Temperature is the single most effective Legionella control measure in hot and cold water systems. We deliver routine monitoring programmes, written schemes of control and logbook management — giving building owners a documented, ongoing record of the controls in place.

Frequency

Monthly (sentinels) + 6-monthly (rotational)

Site time

Half day to full day per visit

Deliverable

Logbook + visit report + annual summary

Why it matters

Legionella doesn't grow below 20 °C and is killed above 60 °C. Keeping cold water cold and hot water hot is the simplest, most effective control regime — but only if it's monitored, documented and acted on consistently.

Most water safety problems arise not from undiscovered risk, but from missed monitoring or unactioned out-of-spec readings. A reliable monitoring contract removes that risk and gives you a clear audit trail.

Who it's for

  • Anyone managing buildings with hot and cold water systems
  • Facilities and estates teams without an in-house water hygiene resource
  • Multi-site portfolios needing consistent monitoring
  • Care homes, schools, healthcare and hospitality

What's included

  • Production of a written scheme of control
  • Sentinel and representative outlet temperature monitoring
  • Calorifier and tank temperature monitoring
  • Monthly little-used outlet flushing where required
  • TMV operating temperature checks
  • Logbook setup, maintenance and audit-ready records

What you receive

  • Visit reports following each monitoring round
  • Maintained on-site logbook (paper or digital)
  • Annual summary and recommendations
  • Notification of any out-of-spec readings with action plan

Our process

A repeatable, engineer-led delivery sequence.

  1. 1

    Scheme of control

    We write or review the written scheme of control, setting monitoring frequencies, parameters and responsibilities.

  2. 2

    Logbook setup

    Paper or digital logbook is installed on site with asset list, schematic and outlet schedule.

  3. 3

    Routine monitoring visits

    Engineers attend on a published schedule to record sentinel temperatures, flush little-used outlets and check TMVs.

  4. 4

    Out-of-spec management

    Any readings outside safe limits trigger an immediate action plan — flush, retest, escalate to remedial works if needed.

  5. 5

    Annual review

    We produce an annual summary with trends, remedial recommendations and a refreshed monitoring schedule.

Frequently asked questions

Related services

See which sectors we serve for guidance specific to your building type.

Want background reading? Browse our compliance guides or talk to an engineer.

Need a Legionella risk assessment or remedial works?

Speak to our engineers about a compliance plan tailored to your portfolio.