221320 - Sewage Treatment Facilities

Top Businesses by Annual Sales for 221320 – Click for Complete Profiles:

DC Water and Sewer Authority	Metro Water Recovery
Hampton Roads Sanitation Dst	Renewable Water Resources
Metroplitan St Louis Sewer Dst	Veolia Wtr N Amrca-Central LLC
Sewerage & Wtr Bd New Orleans	Alderwood Wtr & Waste Wtr Dst
Louisvlle Jffrson Cnty Rgnal S	Delaware Cnty Rgnal Wtr Qlty C

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	Index Entries for 221320
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