Qualifying in Water Treatment now has an easy to follow route with the WMSoc

Ideal for environmental service technicians and engineers dealing with the routine monitoring of water systems. Including as standard an understanding of temperature monitoring and cleaning & disinfection techniques, the basic knowledge of Legionella, water microbiology and legal requirements, and an understanding of basic water chemistry and how it reacts in certain environments. This is a practical based qualification pathway. The water treatment qualification is broken down into 4 pathways depending on the specialism of the engineer.


What can I learn?

The Water Treatment qualification is broken down into 4 pathways depending on the specialism of the engineer.

  • Hot & Cold Water Systems – this is the entry route for the most general of qualifications. Delegates completing this pathway will have no specialism in evaporative cooling, steam boiler or closed system environments.
  • Hot & Cold Water and Evaporative Cooling Systems - this qualification covers the entry level knowledge with the addition of modules in evaporative cooling water chemistry and the cleaning of cooling towers will ensure the delegates fully understand these complex and potentially very dangerous pieces of equipment.
  • Hot & Cold Water and Closed Systems - this qualification covers the entry level knowledge with the addition of module closed hot, cold and chilled water systems. Detailed explanation of testing methods, chemical products, how they work and when to use them, ensuring the delegate is knowledgeable in closed systems functionality and maintenance.
  • Hot & Cold Water and Steam Boiler Systems – this qualification covers the entry level knowledge with the addition of basic steam boiler water chemistry will introduce the delegate to low pressure steam boilers ensuring they understand how to take boiler samples safely, and the water treatment pre-treatment and chemical programmes used.
Water Treatment Pathway Map

Courses required to complete your Water Treatment Pathway

Knowledge / Skill / Competence Requirements “the building blocks”. You can download a copy of the Water Treatment Qualification Map here.

Course Title Course Type

Legionella Control & The Law - W201

Online Course ADD TO CART

Legionella Causes & Impacts of Infection - W202

Online Course ADD TO CART

An Appreciation of Hot & Cold Water Systems - W203

Online Course ADD TO CART

Water Treatment Control of Hot & Cold Water Systems - W204

Online Course ADD TO CART

Temperature Monitoring, Sampling and Inspection of Water Systems - W259

Classroom based BOOK SESSION

Cleaning & Disinfection of Hot & Cold Water Systems - W257

Classroom based BOOK SESSION

Understanding of Water Chemistry - W252

Classroom based BOOK SESSION

Cooling Water Chemistry – Foundation - W255

Classroom based BOOK SESSION

Closed Hot, Cold & Chilled Water Systems - W262

Classroom based BOOK SESSION

Boiler Water Chemistry - Foundation - W253

Classroom based BOOK SESSION

Cleaning & Disinfection of Cooling Systems - W258

Classroom based BOOK SESSION

Q&A Washup Session & Final Exam

Examination BOOK SESSION

Further Information:


  • WMSoc will provide a rounded curriculum to meet the needs of various job roles within the water industry. The qualification will give additional confirmation of understanding of the given job role.
  • As part of the qualification a separate certificate will be issued along with the use of CertWMSoc in personal and professional communications, and the provision of a CertWMSoc logo and digital badge for personal use.
  • All qualified students will be listed on the WMSoc website for 36 months, and this can be used with customers to prove knowledge.

To complete each of the pathways the candidate must attend a tutor led Q&A session where elements of the various courses making up the pathway can be discussed and student’s questions answered by a knowledgeable tutor. The afternoon will then consist of the final 2 hour exam touching on points covered in all of the training building up to the qualification. For some pathways part of this exam may include a practical element.

Based around our existing training courses, our offering has been reviewed and updated to meet the needs of various job types within the industry. Identifying gaps and providing solutions to give a rounded qualification these pathways will ensure that students end with all the relevant knowledge necessary to complete their job effectively.

The names of all people achieving the CertWMSoc will be freely publicised on our website and via our waterline publication for a period of 3 years. In addition all successful students will receive a digital badge and certificate which they can use to advertise their higher level of knowledge to their customers.

Yes, you can qualify for as many pathways as you wish. In order to qualify for multiple pathways within the same section you would need to take any additional courses identified in the pathway maps, and take the additional wash-up and exam session.

If you have already taken our courses in the past 3 years and passed the exams you will be eligible for the qualification. Simply enrol for the qualification and take any additional modules not already covered. On successful completion of the final exam session module you will be awarded the qualification and added to the website in the same way as any other student.

How do I get started on this CertWMS Water treatment Pathway?

We have a wide variety of Online Courses available for you to take if our CertWMS Pathways aren’t for you. Our Online Courses cover all aspects of water management and legionella training, including Cleaning and Disinfection of Water and Cooling Systems, Legionella Risk Assessment, and HTM 04-01 Water Treatment Training. You can take our Online Courses in the comfort of your own home or office. At the end of our Online Courses, you’ll receive a City & Guilds number and certificate indicating the grade of pass obtained.

Download our PDF Guide