Waterworks and gas maintenance workers (NOC 7442)

High opportunity occupation

About this job

Waterworks maintenance workers:

  • maintain and repair waterworks equipment and facilities
  • work for water filtration and distribution plants and waste treatment plants

Gas maintenance workers:

  • check and do routine maintenance and minor repairs to exterior and underground gas mains and distribution lines
  • work for gas distribution companies
Common job titles
  • gas maintenance
  • hand, utilities - field measurement
  • hydrant and valve maintenance
  • inspector, gas - gas leak surveyor-tester
  • inspector, underground utility locator
  • installer, gas meter / water meter


Waterworks maintenance workers:

  • check, clean and lubricate waterworks equipment, such as pumping equipment, chlorination equipment and compressors
  • adjust and repair waterworks equipment under the direction of qualified tradesperson
  • search and locate reported water leaks and repair water mains, valves or outlets
  • install water meters using hand and power tools

Gas maintenance workers:

  • check and lubricate gas pipeline valves
  • do routine survey of gas mains and distribution lines to detect and locate escaping gas using gas detecting devices
  • investigate reports of gas leaks to find the exact location and extent of leaks
  • dig ground to expose gas lines and repair damaged pipes
  • keep record of work done and location and condition of pipelines
  • offer information on underground gas distribution lines and observe excavation work to make sure that underground gas facilities are protected

Work environment

Key aspects of the work in this occupation:

  • Work takes place indoors in conditions that may vary.
  • Work also takes place outdoors in various weather conditions.
  • Workers may be exposed to gas and water leaks.
  • Working with machinery and power tools can be a source of injury.
  • Workers may be exposed to strong odours and chemicals.

Career paths and resources

Career paths

Progression to supervisory positions is possible with experience.

Movement between jobs in this unit group normally occurs within the same area of work, such as within waste water treatment plants, within water filtration and distribution plants or within gas distribution plants.

Additional resources

Additional resources are not currently available for this career.