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

• 22 - Utilities
• 221 - Utilities^US
• 2213 - Water, sewage and other systems^US
• 22132 - Sewage treatment facilities^US

221320 - Sewage treatment facilities^US

This Canadian industry comprises establishments primarily engaged in operating sewer systems and sewage treatment facilities that collect, treat and dispose of wastewater.

• Illustrative example(s)

  • operating sewage treatment or disposal facilities

  All examples

• Exclusion(s)

  • operating waste treatment or disposal facilities, other than wastewater (See 56221 Waste treatment and disposal)