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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)--are classified in Industry 56221, Waste Treatment and Disposal;
- Pumping (i.e., cleaning) septic tanks and cesspools--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.
| 2007 NAICS |
2012 NAICS |
2017 NAICS |
Corresponding Index Entries |
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| 221320 | 221320 | 221320 | Collection, treatment, and disposal of waste through a sewer system | |||
| 221320 | 221320 | 221320 | Sewage disposal plants | |||
| 221320 | 221320 | 221320 | Sewage treatment plants or facilities | |||
| 221320 | 221320 | 221320 | Sewer systems | |||
| 221320 | 221320 | 221320 | Waste collection, treatment, and disposal through a sewer system |