Available Classifications
Alternate structures
Alphabetical Indexes
Correspondence Tables
  
  
  
Free downloads
  
  
  
International Family of Classifications
  Best practices

National classifications

Meetings
  Statistical Commission
  Expert Group
  Technical Subgroup
  Workshops and Training

Newsletter

Contact us
  
  

Printer friendly versionPrinter friendly version English  

Detailed structure and explanatory notes

ISIC Rev.1 code 521

Structure   

Hierarchy
  • Division: 5 - Electricity, Gas, Water and Sanitary Services
  • Major Group: 52 - Water and Sanitary Services
  • Group: 521 - Water supply

Explanatory note

Collection, purification and distribution of water to domestic and industrial consumers. The operation of irrigation systems is classified in group 012 (Agricultural services).







Would you like to leave some feedback?
(on this code, this classification, the site in general or any other issue)

Then drop us a line at CHL@un.org.