Water distribution through mains, except steam and hot water (on own account)

**Includes:** - own-account distribution of water through mains - maintenance of water meters

**Excludes:** - installation of water meters, cf. 54611 - reading of water meters, cf. 85999 - operation of irrigation systems for agricultural purposes, cf. 86119 - water distribution services through mains (on a fee or contract basis), cf. 86330