Legionella compliance

Legionella compliance,
monitoring and records in one system.

Continuous temperature monitoring, scheduled checks and compliance records in one system, built around your Legionella risk assessment and the HSG274 limits.

Continuous monitoring
Scheduled tasks and sign-off
Automated reporting

Hot water return

Block A · Calorifier loop 2

Live
55.2°C52.4°C48.9°C46.9°C48.6°C51.8°C55.0°C
Limit50 °C or aboveAlert after 10 min
70° 50° 40° 00:0003:0006:00
In rangeAbove the 50°C limit
Alert raised, 02:02Below 50°C for 10 minutes. SMS sent to Dave Hughes
Back in range, 03:43Out of range for 1h 51m. Alert closed
463confirmed cases of Legionnaires' disease in England and Wales in 2024
64%of those cases were in people aged 60 or over
£900,000fine for a housing association after Legionella was found at one of its sheltered housing blocks

Sources: UKHSA, Legionellosis in residents of England and Wales: 2024; HSE press release, 22 October 2024.

How It Works

From your risk assessment to live monitoring.

STEP 01

Start from your risk assessment

We use your written risk assessment to decide which points to monitor and what each limit should be.

STEP 02

Sensors go on the pipework

Small wireless sensors on calorifiers, pipes and tanks. No need to touch your IT network or WiFi.

STEP 03

Set up alerts and tasks

Choose who is alerted, and set the recurring checks and cleaning tasks for each building.

STEP 04

Live, with records

Readings, alerts, tasks and reports in one system.

Hot return, last 30 days

Block A · Calorifier loop 2

Live
Logged continuouslyMonthly visit
Visit: 55.1°C Visit: 55.0°C 14 Sep, 01:52: 1h 51m below 50°C 70°50°40° 1 Sep15 Sep30 Sep
Logging continuouslyEvery day, including nights and weekends
Alert sent, 14 Sep 02:02Below 50°C for 10 minutes
Monthly visits only1 Sep and 30 Sep both read normal. The dip was never seen.

Monitoring

Continuous temperature logging

  • Dips between visits are recordedA drop in temperature between monthly checks is logged and alerted, not found at the next visit.
  • Nights and weekends coveredReadings continue outside normal visit times.
  • No gaps in the recordEvery point is logged continuously, so the record has no missing periods.

Monitoring points

Block A · 5 points

Live
Calorifier flowPlant room · limit 60°C or above
62.4°C
Calorifier returnPlant room · limit 50°C or above
54.6°C
Hot return, loop 23rd floor · limit 50°C or above
52.8°C
Cold water tankRoof · limit below 20°C
17.6°C
Cold water tankRoof · limit below 20°C
21.3°C
Cold water tankRoof · limit below 20°C
17.9°C
Cold mains inletPlant room · limit below 20°C
12.4°C
All 5 points in range
4 in range · 1 needs attention
All 5 points in range

Monitoring points

Every point in one view

  • Hot, cold and returnCalorifier flow and return, cold tanks and mains together.
  • Limits for each pointSet from your risk assessment.
  • AlertsSMS or email to the responsible person, passing on if there is no response. A delay before alerting means short fluctuations do not trigger one.

Scheduled tasks

Block A · Compliance tasks

Live
Flush outlets, weeklyFloors 1 to 4 · M. Patel
DoneMon 08:12
Clean shower heads, quarterlyFlats 12 to 18 · J. Walker
Due todayassigned
Clean shower heads, quarterlyFlats 12 to 18 · J. Walker
Done 10:42signed off
Check sentinel taps, monthlyBlock A · M. Patel
Due 28 Octscheduled
Inspect cold water tank, annualRoof · Contractor
Due 15 Novscheduled
1 task due today
All tasks up to date

Tasks

Scheduled tasks and sign-off

  • Recurring checksWeekly flushing, quarterly shower head cleaning, monthly checks and annual inspections, set up once.
  • Assigned and recordedEach task goes to a named person and is recorded when completed, with date, time and notes.
  • Overdue tasks flaggedAnything missed is flagged to the responsible person.

Monthly compliance report

Block A · September

ScheduledSent
In range99.7%
Tasks done38 of 39
Out of range2

Report includes

Temperature readings, all 12 points
Alerts and actions taken
Completed tasks and sign-offs
ScheduledSent automatically on the 1st of each month
Sent, 1 Oct 08:00PDF emailed to 3 recipients

Reporting

Automated compliance reports

  • Sent on a scheduleMonthly reports go automatically to the people who need them.
  • One recordTemperatures, alerts, tasks and actions together in a single audit record.
  • PDF exportFor auditors, insurers and water hygiene contractors.

Where it's used

Any building with hot and cold water and someone responsible for it.

Housing associations & landlords

Communal water systems across multiple blocks.

Care homes

Premises with vulnerable residents.

Schools & colleges

Buildings with periods of low occupancy, such as school holidays.

Hotels & leisure

Rooms and showers that stand unused between guests.

Offices & commercial property

Storage tanks, calorifiers and long pipe runs.

FM & water hygiene companies

Monitoring across multiple client contracts.

Common questions

Answers to common questions from duty holders.

What temperatures should hot and cold water be?

Hot water stored at 60°C or above, reaching 50°C or above at outlets within a minute, and returning to the calorifier at 50°C or above (55°C in healthcare premises). Cold water should be below 20°C.

Who is responsible for Legionella control?

The duty holder: the employer, or whoever controls the premises. For rented homes that is the landlord. They need a competent person to manage the risk, with the time and authority to act.

Can sensors replace manual checks?

Not on their own. Your risk assessment and written scheme set out which checks are needed and whether any can be done remotely. Sensors add continuous records between visits. Flushing, shower head cleaning and water sampling still need someone on site.

How long must records be kept?

HSE guidance says records of monitoring, inspections, tests and checks should be kept for at least five years. Readings are stored so you can export them for audits.

Do I need a risk assessment first?

Yes. It decides which points are monitored and what each limit should be, so it comes first. We work from your existing assessment.

What monitoring does and doesn't do

It adds continuous temperature records to the checks you already carry out. Your risk assessment and written scheme decide which checks it can support, and a sensor on a pipe is not the same as running a tap for a minute. It doesn't replace your risk assessment, water sampling or flushing.

Tell us about your site

How many buildings, what you monitor now and who is responsible. We'll tell you what makes sense.