This class includes water collection from various sources, treatment and distribution activities by various means of domestic and industrial needs. Collection of water from various sources, as well as distribution by various means is included.

The operation of irrigation canals is also included, however the provision of irrigation services through sprinklers, and similar agricultural support services, is not included.

This class includes :

Collection of water from rivers, lakes, wells, etc.

Collection of rain water

Purification of water from water supply purposes

Treatment of water for industrial and other purposes

Distribution of water through mains, by trucks or other means

Desalting of sea or ground water to produce water as the principal product of interest

Operation of irrigation canals

This class excludes :

Operation of irrigation equipment for agricultural purposes, see 0151;

Treatment of wastewater in order to prevent pollution, see 3700;

(Long distance) transport of water via pipelines, see 4940.