North American Industry Classification System (NAICS) Canada 2017 Version 1.0

• 23 - Construction
• 237 - Heavy and civil engineering construction
• 2371 - Utility system construction
• 23711 - Water and sewer line and related structures construction

237110 - Water and sewer line and related structures construction^US

This Canadian industry comprises establishments primarily engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants and storage tanks. The type of work performed can be new work, reconstruction, rehabilitation, and repairs.

• Illustrative example(s)

  • distribution line, sewer and water, construction
  • pumping stations, water, construction
  • sewage treatment plant, construction management
  • storm sewers, construction
  • water treatment plant construction

  All examples

• Inclusion(s)

  • construction of structures (also buildings) that are integral parts of water and sewer networks
  • specialized trade activities related to water and sewer line and related structures construction

• Exclusion(s)

  • constructing marine facilities (e.g., ports), flood control structures, dams, or hydroelectric power generation facilities (See 237990 Other heavy and civil engineering construction)
  • constructing water intake wells in oil and gas fields (See 213118 Services to oil and gas extraction)