Legionella Risk Assessment Checklist (UK)

This free, UK‑focused checklist helps duty holders and responsible persons build a suitable and sufficient written control scheme for legionella. It covers roles, asset mapping, temperature targets, flushing plans, inspections/servicing, sampling triggers, evidence and review cadence.

Last reviewed: 28 February 2026 • For UK guidance; always follow your site‑specific risk assessment.

What the checklist covers

1. Confirm Duty Holder and appointed Responsible Person (competence, authority, escalation).
2. Compile asset list & schematics of hot and cold water systems (incl. little‑used outlets).
3. Set temperature targets and choose monitoring points (sentinel + representative).
4. Define flushing plan for infrequently used outlets (frequency, method, evidence).
5. Schedule inspections/servicing (tanks, calorifiers, TMVs; descale shower heads).
6. Specify sampling/testing triggers and laboratory arrangements.
7. Prepare records & evidence (temps, flushing, inspections, sampling, corrective actions).
8. Establish corrective action workflow with timeframes and re‑test rules.
9. Document training & competence records and appointment letters.
10. Set review cadence and change control (system changes, occupancy, findings).

Who should use this checklist?

Duty holders, facilities managers, H&S managers, building owners, and appointed responsible persons managing hot and cold water systems across commercial, education, healthcare and residential premises.

How to use

1. Download the PDF or open the print version (same layout; use Print → Save as PDF to save).
2. Walk your system(s) and complete each section with evidence.
3. Create or update your written control scheme and logbooks.
4. Schedule monitoring, flushing, inspections and reviews.

FAQs (UK)