NAICSNational Industry

NAICS 221320Sewage Treatment Facilities

National Industry · North American Industry Classification System (2022)

Where 221320 sits

  1. 22 Utilities
  2. 221 Utilities
  3. 2213 Water, Sewage and Other Systems
  4. 22132 Sewage Treatment Facilities
  5. 221320 Sewage Treatment Facilities

Description

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

Cross-references for 221320

  • Operating waste treatment or disposal facilities (except sewer systems or sewage treatment facilities)--are classified in Industry 56221, Waste Treatment and Disposal;
  • Operating water treatment plants and/or operating water supply systems--are classified in Industry 221310, Water Supply and Irrigation Systems;
  • Pumping (i.e., cleaning) cesspools, portable toilets, and septic tanks or renting portable toilets--are classified in U.S. Industry 562991, Septic Tank and Related Services; and
  • Cleaning and rodding sewers and catch basins--are classified in U.S. Industry 562998, All Other Miscellaneous Waste Management Services.

221320 in other systems

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