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Water, gas, oil, etc.

Water treatment worker

Water treatment workers treat and process clean water and waste water.

Annual Salary

£17,000 to £32,000

Average UK salary in 2023 was £34,963
(source Office for National Statistics)

Working hours

42 to 44 a week

You could work: evenings / weekends / bank holidays; on shifts

5.8%
Future employment

There will be 5.8% fewer Water treatment worker jobs in 2027.

Day to day tasks

As a water treatment worker, you could:

  • operate equipment to treat sewage
  • clean and maintain tanks and filters
  • treat water with chemicals and microbes, take readings and keep records
  • check drinking water samples for quality
  • make sure the site is safe and secure

Working environment

You may need to wear protective clothing.

You could work in a control room.

Your working environment may be dirty, physically demanding, cramped, at height and outdoors in all weathers.

You can get into this job through:

  • a college course
  • an apprenticeship
  • applying directly
College

You could do a college course, which would teach you some of the skills and knowledge you'll need in this job.

You could do the Level 2 or 3 Diploma in Water Engineering.

Entry requirements

You'll usually need:

  • 2 or more GCSEs at grades 9 to 3 (A* to D), or equivalent, for a level 2 course
  • 4 or 5 GCSEs at grades 9 to 4 (A* to C), or equivalent, for a level 3 course
For more information
  • equivalent entry requirements|https://www.gov.uk/what-different-qualification-levels-mean/list-of-qualification-levels
  • funding advice|https://www.gov.uk/further-education-courses/financial-help
  • search for courses|/find-a-course
Apprenticeship

You could do a:

  • Water Process Operative Level 2 Intermediate Apprenticeship
  • Water Industry Treatment Process Technician Level 3 Advanced Apprenticeship
  • Water Treatment Technician Level 3 Advanced Apprenticeship

These can take between 18 months and 3 years to complete.

Entry requirements

You'll usually need:

  • some GCSEs, usually including English and maths, or equivalent, for an intermediate apprenticeship
  • 5 GCSEs at grades 9 to 4 (A* to C), or equivalent, including English and maths, for an advanced apprenticeship
For more information
  • equivalent entry requirements|https://www.gov.uk/what-different-qualification-levels-mean/list-of-qualification-levels
  • guide to apprenticeships|https://www.gov.uk/apprenticeships-guide
Direct application

You could apply directly to work as a water treatment worker.

Some employers might want you to have GCSEs in English, maths and a science at grades 9 to 4 (A* to C).

It might also be useful if you have experience of working in industrial plant maintenance.

More information

You can find more advice about careers and training in the water industry through Energy and Utilities Jobs.

Requirements and restrictions

You'll need to:

More information

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With experience, you could become a team leader.

With further training, you could become an engineering technician or a water engineer.

You'll find more advice about careers and training in the water industry through Talent Source Network.

Skills required and how your skills match up

What skills are required?

You'll need:

  • the ability to analyse quality or performance
  • knowledge of public safety and security
  • observation and recording skills
  • the ability to operate and control equipment
  • to be thorough and pay attention to detail
  • the ability to work on your own
  • the ability to use, repair and maintain machines and tools
  • analytical thinking skills
  • to be able to carry out basic tasks on a computer or hand-held device
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