2017 Edition

National Industry 221320 Sub-Description:

Sewer systems

Overview

Sewer systems is one of 5 sub descriptions for NAICS National Industry 221320, Sewage Treatment Facilities.

Identifier

The identifier for Sewer systems is d315ccfb1a38d42f4e43d2d39c73e049.

Learn more about how we calculate this value.

History

The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.

Edition Existed Equivalent Value
2022 d315ccfb1a38d42f4e43d2d39c73e049
2017 d315ccfb1a38d42f4e43d2d39c73e049
2012 d315ccfb1a38d42f4e43d2d39c73e049

Standard Industrial Classification (SIC) Mappings

  1. 4952 - Sewerage Systems

Insurance Industry Mappings

The US Property and Casualty Insurance Industry may use the following classification descriptions which might encompass 221320, Sewer systems:

  1. municipal sewer system existence
  2. municipal sewer system operation
  3. pipeline operation non flammable
  4. pipeline operation non flammable utility
  5. sewage treatment facility
  6. sewage treatment plant
  7. sewer
  8. sewerage system
  9. utility
  10. water sewage and other system