Course Overview
This course is designed for delegates who need a thorough understanding of legionella risk and how it can be controlled in hot and cold water systems.
This is a level 4 qualification in the BOHS qualifications framework. The qualification is suitable for anyone who is responsible for maintaining domestic type hot and cold water systems. This includes duty holders and other responsible persons and maintenance staff. It is also suitable for those responsible for controlling legionella bacteria risks or for controlling health risks in the workplace.
Please note that this is a highly intensive one day course which requires mandatory pre-course reading. Delegates must have already completed the P900 foundation course prior to undertaking P901.

What’s Covered?
The main subject areas of the course are:
- Introduction and history of the legionella organism
- Legislation and guidance
- Risk assessment of water systems
- Operational control
- Outbreak investigation procedures
- Record keeping.
Download the BOHS course specification here.
Please note: there is mandatory pre-course reading of the following documentation, to ensure delegates have a clear understanding of the guidance:
- ACoP L8 (latest version) Legionnaires’ disease: The control of legionella bacteria in water systems
- HSG274 (latest version) Legionnaires’ disease Parts 1, 2 and 3.
Learning Outcomes
Successful completion of the course will give learners the practical knowledge and skills to demonstrate management control in the risk of legionella infection as well as information on how it can be dealt with in domestic hot & cold water systems in compliance with regulatory requirements.
Interested?
This course can be delivered in the following ways:
If you have a few colleagues who would like to attend the course, it may be more cost effective for us to run this virtually for you, on an in-house basis. This can be done via Zoom or Microsoft Teams.
If you'd like an in-house course but would prefer this to be face-to-face, our trainer can come to your organisation and deliver this course in person.
We regularly run this course publicly (virtually and face-to-face). Keep your eye on our website and follow us on LinkedIn for updates. You can also enquire at training@housingcompliance.co.uk