NOC 92101Water and waste treatment plant operators

TEER 2 — College diploma, apprenticeship (2+ yrs) or supervisory

NOC 92101 is the Canadian National Occupational Classification code for Water and waste treatment plant operators. It is classified TEER 2 — College diploma, apprenticeship (2+ yrs) or supervisory, which meets the skill requirement for Express Entry. An officer decides whether you can claim this code by comparing the duties written in your reference letter against the official main duties below — not by your job title.

Express Entry eligible: Yes
Regulated in Québec: Yes
In demand in Manitoba: No

Classification

Manufacturing & utilities

9 › 92 › 921 › 9210

Definition

Water treatment plant operators monitor and operate computerized control systems and related equipment in water filtration and treatment plants to regulate the treatment and distribution of water. Liquid waste plant operators monitor and operate computerized control systems and related equipment in wastewater, sewage treatment and liquid waste plants to regulate the treatment and disposal of sewage and wastes. They are employed by municipal governments and industrial facilities. This unit group also includes waste treatment plant operators in composting plants and other waste management facilities.

Main duties

This group performs some or all of the following duties:
Water treatment plant operators
Operate and monitor computerized control systems and related equipment in water filtration and treatment plants to regulate the treatment and distribution of water
Monitor and inspect plant equipment and systems to detect equipment malfunctions and to ensure plant systems are operating normally
Read flow meters, gauges and other recording instruments to measure water output and consumption levels, bacterial content, chlorine and fluoride levels
Collect and test water samples for chemical and bacterial content, analyze test results and instrument readings and make adjustments to plant equipment and systems to ensure quality control
Provide verbal or written instructions for process control changes to waterworks system to ensure water produced meets standardized quality requirements
Perform security checks in plant and on grounds
Respond to public enquiries regarding water quality issues and emergencies
Complete and maintain plant logs, reports and statistics
May perform minor maintenance or assist skilled tradespersons with installation and repair of plant machinery
May measure, mix and transport chemicals to maintain feed stocks.
Liquid waste plant operators
Operate and monitor computerized control systems and related equipment in wastewater treatment, sewage treatment and liquid waste plants to regulate the flow of sewage through settling, aeration and digestion tanks, and to treat and dispose of sewage and wastes
Patrol plant to check pumps, motors, filters, chlorinators and other plant equipment; monitor and read gauges, meters and other recording instruments to detect equipment malfunctions and ensure plant systems and equipment are operating within prescribed limits
Test and adjust chemical feed rates to ensure that disinfection processes meet quality standards
Collect waste and sewage samples, test and analyze results and make adjustments to plant equipment and systems as required
Perform security checks in plant and on grounds
Complete and maintain plant logs and reports
Perform preventive maintenance on plant equipment to ensure that the facility operates in accordance with required standards
May assist skilled tradespersons with installation and repair of plant machinery.

Example job titles

•environmental systems operator - water treatment
•liquid waste process operator
•sewage plant operator
•waste treatment plant operator
•wastewater treatment plant operator
•water filtration plant operator
•water purification plant operator
•water treatment plant operator

Track the latest Express Entry and Québec draws →

Overview

Under the National Occupational Classification (NOC) 2021, NOC 92101 covers Water and waste treatment plant operators. Classified as a TEER 2 occupation, these skilled professionals monitor and operate computerized control systems and related equipment in water filtration, purification, and waste treatment plants. They regulate the treatment and distribution of water, as well as the safe treatment and disposal of sewage and effluent, ensuring strict compliance with environmental and public health standards.

Common job duties under NOC 92101 include testing water and sewage samples, reading flow meters, adding chemicals to treat water, and performing routine maintenance on plant equipment. To qualify for Canadian immigration under this code, candidates typically require the completion of secondary school, along with provincial or territorial certification in water or wastewater treatment. As a TEER 2 occupation, individuals in this category may be eligible for key Canadian immigration pathways, including the Federal Skilled Worker Program under Express Entry and various Provincial Nominee Programs (PNPs).

Educational overview summarizing this occupation. Always confirm against the official NOC profile and IRCC before relying on it.

Check program eligibility →

Frequently asked questions

Is NOC 92101 eligible for Express Entry?

Yes — Water and waste treatment plant operators is TEER 2, and TEER 0–3 occupations meet the skill-level requirement for Express Entry programs such as the Federal Skilled Worker Program and the Canadian Experience Class. Full eligibility also depends on your work experience, language results and other program criteria.

What education or training does NOC 92101 usually require?

Water and waste treatment plant operators is classified as TEER 2 — College diploma, apprenticeship (2+ yrs) or supervisory. Always confirm the exact employment requirements on the official NOC profile before relying on them.

Is this occupation regulated in Québec?

Yes — Water and waste treatment plant operators is regulated in Québec, so practising there requires recognition from the relevant professional body, and Québec immigration programs take this into account.

Get the next draw in your inbox

One short email when IRCC publishes a new Express Entry draw — the cutoff, invitations, and what it means. Roughly every two weeks. No spam, ever.

By subscribing you consent to receive draw-alert emails from ScoreRoute Canada. Every email includes a one-click unsubscribe. See our privacy policy for details.

Occupation data: Statistics Canada / ESDC — National Occupational Classification (NOC) 2021.