NAICS Code 221320 Sewage Treatment Facilities




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

Cross References

Establishments primarily engaged in
  • Operating waste treatment or disposal facilities (except sewer systems or sewage treatment facilities): classified in Industry 56221, Waste Treatment and Disposal
  • Pumping (i.e., cleaning) septic tanks and cesspools: classified in U.S. Industry 562991, Septic Tank and Related Services
  • Cleaning and rodding sewers and catch basins: classified in U.S. Industry 562998, All Other Miscellaneous Waste Management Services.

Industries Included

  • Collection, treatment, and disposal of waste through a sewer system
  • Sewage disposal plants
  • Sewage treatment plants or facilities
  • Sewer systems
  • Waste collection, treatment, and disposal through a sewer system

Industry Leaders

Free Business Search - NAICS 221320

Industry Overview

Total Companies:679

Est. Employment:8872

Related SIC Codes