ISO 24523:2017 provides guidelines on good benchmarking practice of drinking water and wastewater utilities. It describes the basic framework and methods associated with benchmarking in the water sector. The guidelines are intended primarily for voluntary benchmarking. Specific objectives set forth by the authorities and which are to be achieved by the water utility are not covered by this document.

ISO 24523:2017 is applicable to water utilities of any size managed by a public or private entity. It does not favour any particular ownership or operating model.