ISO 46001:2019, including Amendment 1: Climate action changes

Water Efficiency Management System

ISO 46001 (2019) is a management system standard: Water Efficiency Management System. Specifies water efficiency management system requirements, covering the measurement of water use and its linkage to performance targets. It applies to water-intensive manufacturing, food, textiles, tourism, campuses, municipalities and facility operators.

Class
Management system standard
Edition
2019
Related sectors
4
Last verified

What is this standard?

Specifies water efficiency management system requirements, covering the measurement of water use and its linkage to performance targets.

What ISO 46001 does not replace

  • It does not substitute for water and wastewater permits.
  • It does not substitute for an environmental management system.

Who is it for?

Water-intensive manufacturing, food, textiles, tourism, campuses, municipalities and facility operators.

What triggers an assessment?

  • Water consumption or wastewater treatment cost is significant.
  • Operations are in a water-stressed area.
  • A customer or investor asks for water performance.

Official source

Amendment source

Last verified:

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"ISO 46001:2019, including Amendment 1: Climate action changes." Certifidex, FutureTechnologies. Last verified 4 August 2026. https://certifidex.com/iso-standards/iso-46001-water-efficiency-management-system

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