ISO 20469:2018
Guidelines for water quality grade classification for water reuse

Standard No.

ISO 20469:2018

Release Date

2018

Published By

International Organization for Standardization (ISO)

Latest

ISO 20469:2018

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.

ISO 20469:2018 Referenced Document

• ISO 20670 Water reuse — Vocabulary*， 2023-11-16 Update

ISO 20469:2018 history

• 2018 ISO 20469:2018 Guidelines for water quality grade classification for water reuse