ISO 20469:2018Published

Guidelines for water quality grade classification for water reuse

Lignes directrices pour la classification de la qualité de l’eau en vue de sa réutilisation

Abstract / scope

This document provides guidelines for water quality grade classification to help users determine the suitability and quality of the reclaimed water for safe non-potable reuse applications, based on the level of exposure. The intention is to enable the water quality grade to be identified at the point of use.