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Overview
Wastewater treatment technicians support plant operators by operating, maintaining and repairing equipment used to purify wastewater.
In job descriptions, look for treatment plant equipment, preventive maintenance, repairs, pumps, valves, process checks, safe work around sewage systems and cooperation with plant operators.
Explore this occupation
Search jobsWhat the work can involve
Work takes place around pumps, tanks, valves, control points and treatment equipment in sewage plants. The technician keeps equipment usable so operators can maintain the purification process.
Skills and specializations
Useful depth includes mechanical repair, preventive maintenance, process checks, safe work around wastewater, reading maintenance instructions and communicating faults to plant operators.
Salary context
Salary context depends on plant size, call-out or shift duties, mechanical and electrical breadth, repair responsibility, safety demands and whether the role covers several treatment sites.
Career paths
Experience can lead toward wastewater plant operation, maintenance coordination, utilities technician roles, pump or process equipment specialization, or site maintenance supervision.
Good to know
Check whether adverts name sewage plants, wastewater equipment, pumps, valves, preventive maintenance, repairs, process monitoring, safety routines and operator support.
Editorial note
This guide is editorial career context. It is not official labour-market statistics or role-specific salary data.
Map overview
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O*NET relationships
See occupations connected to this ESCO occupation in the official O*NET–ESCO mapping. The relationship type comes from the source and is not a ranking or recommendation.
O*NET relationships: 2
Water and Wastewater Treatment Plant and System Operators
51-8031.00
Close relationship
The occupations are closely related, but the official mapping does not treat them as exact equivalents.
Open in O*NETEngineering Technologists and Technicians, Except Drafters, All Other
17-3029.00
O*NET occupation is broader
The O*NET occupation covers a broader field of work than this ESCO occupation.
Open in O*NETSource and method
These relationships come from the official European Commission O*NET–ESCO crosswalk.
Relationship direction: O*NET occupation to ESCO occupation.
Several O*NET occupations can point to the same ESCO occupation, and one O*NET occupation can point to several ESCO occupations.
AltoTrail preserves the source relationship type. The order is technical and does not show which occupation is best, most relevant or recommended.
AltoTrail validates and presents the source relationships without adding ranking or recommendation semantics.
Alternative labels
wastewater quality tester
wastewater treatment plant worker
wastewater safety tester
water plant quality technician
sewage treatment plant technician
water plant maintenance technician
wastewater safety technician
wastewater quality technician
water treatment system technician
wastewater treatment quality technician
water plant monitoring technician
water plant equipment maintenance technician
water plant repair technician
wastewater treatment plant operator
water plant measurement technician
wastewater treatment plant technician
wastewater treatment monitoring technician
waste water technician
sewage plant technician
wastewater treatment sampling monitoring technician
Occupation group
Incinerator and water treatment plant operators (3132)
Source facts
| ESCO URI | http://data.europa.eu/esco/occupation/d99e2022-cbe1-4aaa-8f9d-7db129d61f0c |
|---|---|
| ESCO code | 3132.5 |
| ISCO group | 3132 |
| Concept type | Occupation |