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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--

No change 1997 to 2002 2002 NAICS to 1987 SIC 1997Economic Census Bridge Between 1997 NAICS and SIC
2002
NAICS
1997
NAICS
1987
SIC
Corresponding Index Entries
2213202213204952Collection, treatment, and disposal of waste through a sewer system
2213202213204952Sewage disposal plants
2213202213204952Sewage treatment plants or facilities
2213202213204952Sewer systems
2213202213204952Waste collection, treatment, and disposal through a sewer system