Water and sewerage plant operatives salary in the UK
The median full-time salary for water and sewerage plant operatives in the UK is £39,690 (ONS, 2025). After tax and National Insurance at 2026/27 rates that is about £2,675 a month.
Pay range for water and sewerage plant operatives
This is the ONS occupation group "Water and sewerage plant operatives" (SOC 2020 code 8134). ONS figures for 2025 show that a quarter earn less than £31,577, half earn less than £39,690 and a quarter earn more than £46,183.
| Point in the pay range | Gross a year | Gross a month | Take-home a year | Take-home a month |
|---|---|---|---|---|
| 10th percentile | Not published | Not published | Not published | Not published |
| 25th percentile | £31,577 | £2,631 | £26,255 | £2,188 |
| Median (50th percentile) | £39,690 | £3,308 | £32,096 | £2,675 |
| 75th percentile | £46,183 | £3,849 | £36,771 | £3,064 |
| 90th percentile | Not published | Not published | Not published | Not published |
Take-home at England, Wales and Northern Ireland rates. Not published means ONS did not publish that figure because the estimate is not reliable enough. ONS rates the median for water and sewerage plant operatives as reasonably precise: its sampling error (coefficient of variation) is 6.5%. ONS estimates about 10,000 full-time employee jobs in this occupation. ONS says job counts like this are indicative only.
Where water and sewerage plant operatives rank
The median for water and sewerage plant operatives ranks 133rd of 362 occupations on this site, in the upper half, and 6th of 35 in process, plant and machine operatives. It is £651 (1.7%) higher than the UK median of £39,039 for all full-time employee jobs. ONS change on the previous year: the median for water and sewerage plant operatives rose 4.4%, more than the 4.3% rise in the UK median for all full-time jobs.
Jobs with the nearest medians: Tool makers, tool fitters and markers-out (£39,902), Social and humanities scientists (£39,899), Design occupations n.e.c. (£39,779), Electricians and electrical fitters (£39,647), Estimators, valuers and assessors (£39,634) and Public services associate professionals (£39,537).
How spread out pay is
The middle half of full-time water and sewerage plant operatives earn between £31,577 and £46,183, a gap of £14,606, or 36.8% of the median. That is £10,141 narrower than the £24,747 gap for all UK jobs, and the 98th widest of the 223 jobs where ONS published both figures, in the upper half of the list.
The mean for water and sewerage plant operatives (total pay divided by the number of employees) is £40,134, which is £444 (1.1%) higher than the median. The two are close, so very high or very low salaries are not pulling the average far from the middle. For all UK full-time jobs the mean is 24.3% above the median, so the gap for water and sewerage plant operatives is smaller.
Water and sewerage plant operatives and related jobs
Among these 5 jobs in the same ONS minor group, this one has the highest median. The highest median among them is £39,690 (water and sewerage plant operatives) and the lowest £29,259 (plant and machine operatives n.e.c.).
| Job | SOC code | Median salary | Take-home a month |
|---|---|---|---|
| Water and sewerage plant operatives | 8134 | £39,690 | £2,675 |
| Mining and quarry workers and related operatives | 8132 | £38,301 | £2,591 |
| Paper and wood machine operatives | 8131 | £30,360 | £2,115 |
| Printing machine assistants | 8135 | £29,925 | £2,089 |
| Plant and machine operatives n.e.c. | 8139 | £29,259 | £2,049 |
Take-home pay against all jobs
At the median, water and sewerage plant operatives take home about £2,675 a month, against £2,636 on the UK median for all jobs. Scotland has its own income tax bands, so take-home pay on the same salary is different there.
| Group | Median a year | Take-home a month | Take-home a month in Scotland |
|---|---|---|---|
| Water and sewerage plant operatives | £39,690 | £2,675 | £2,670 |
| All full-time employee jobs, UK | £39,039 | £2,636 | £2,631 |
Related pages
All jobs in the Process, plant and machine operatives table, average salary by area, the take home pay calculator, salary to hourly calculator and pay rise calculator.
How this is worked out
Pay: ONS Annual Survey of Hours and Earnings (ASHE), 2025 provisional, SOC 2020 unit group 8134. Take-home: 2026/27 rates, tax code 1257L, no pension or student loan. How to read these figures.
Sources
- ASHE Table 14: earnings by occupation (4-digit SOC), 2025 provisional (ONS)
- ASHE Table 7: earnings by place of work, local authority, 2025 provisional (ONS)
- SOC 2020 Volume 1: structure and descriptions of unit groups (ONS)
- Income Tax rates and Personal Allowances (GOV.UK)
- Scottish Income Tax (GOV.UK)
- National Insurance: how much you pay (GOV.UK)
Figures checked on 12 October 2026. ONS plans to publish its next ASHE figures on 22 October 2026. Read how we calculate or tell us about a mistake.
Frequently asked questions
On the median full-time salary of £39,690, take-home pay is about £2,675 a month (£32,096 a year) after 2026/27 income tax and National Insurance, with tax code 1257L and no pension or student loan. In Scotland, where income tax is different, it is about £2,670 a month.
ONS figures for full-time jobs (2025) show that a quarter earn less than £31,577, half earn less than £39,690 and a quarter earn more than £46,183. ONS did not publish every point in the range because some estimates are not reliable enough.
Yes. The median for water and sewerage plant operatives is £39,690, which is £651 (1.7%) higher than the UK median of £39,039 for all full-time employee jobs (ONS, 2025). It ranks 133rd of 362 occupations on this site.