Water Treatment Technician

Service and maintain water systems in industry, healthcare and commercial buildings.

This UK water treatment technician career guide covers what the role involves day to day, typical salary at each stage, the usual entry route, the skills employers expect, and related careers worth comparing.

Quick facts

Starting salary
£24,000 - £32,000
Mid-career salary
£35,000 - £48,000
Senior salary
£52,000 - £68,000
Work environment
On-site, hands-on, often outdoors
Time to entry
2 - 4 years (apprenticeship)
Degree required
Not required - apprenticeship route
Category
Skilled Trades

What a Water Treatment Technician does

Service and maintain water systems in industry, healthcare and commercial buildings.

  • Cooling Towers - Service and dose cooling tower systems.
  • Boiler Water - Treat boiler and steam systems in industry.
  • Closed Heating Systems - Treat closed heating systems in buildings.
  • Legionella Risk Assessment - Carry out L8 risk assessments.

How to become a Water Treatment Technician

  1. Look up Water Treatment Technician roles on LinkedIn or Indeed and read 5 real job ads
  2. Talk to someone already working as a Water Treatment Technician - even a 15-minute call helps
  3. Find one beginner course or qualification used by people in this role
  4. Build one small piece of evidence you've explored this (project, shadowing, short course)
  5. Apply to one entry-level role or related opportunity within the next month

Key skills

  • Water hygiene (L8)
  • Chemistry basics
  • Sampling
  • Reporting
  • Driving licence