8134 — Water and sewerage plant operatives

Medium Skilled

Sources checked 26 October 2026. Match the actual duties before choosing a code.

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What this occupation covers

Water and sewerage plant operatives operate valves to control water supplies in mains and pipelines, attend screening, filtering, water purifying and sedimentation plant, clear any blockages and patrol and maintain sewerage systems.

Typical duties


attends water filtration and purification plant, monitors chemical treatment and regulates treatment of water supply within strict guidelines

opens and closes valves to regulate quantity and pressure of water and reports defective valves or abnormal water pressure

stops water supply in an emergency and informs consumers likely to be affected

regulates flow of raw sewage into screening plant, releases screened sewage and regulates its flow into detritus pits, sedimentation tanks and filtration beds

cleans out screen compartments, sedimentation tanks and filtration beds manually or using mechanical scraper

patrols sections of sewer, examines for any blockages or gas releases and clears blockages by flushing or by using boring rods

digs trench and assists pipe layers to lay, renew or repair sewerage pipes

Entry routes and qualifications

There are no formal academic entry requirements. Training is provided Off and on-the-job. NVQs/ SVQs in Operating Process Plant are available at level 2.

Sponsorship information

Medium Skilled. Actual duties, sponsor, applicant, salary and any transitional or shortage-list conditions must be checked.

DBS assessment

No code-wide DBS assessment is assigned. Check actual duties, activities, workplace, frequency and jurisdiction. This code does not determine the level of check.

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ONS SOC 2020 · Appendix Skilled Occupations