ISO/WD 23070

Water reuse in urban areas — Guidelines for reclaimed water treatment - Design principles of a RO treatment system of municipal wastewater ISO/WD 23070

General information

20.60   Close of comment period   Sep 5, 2026

ISO

ISO/TC 282/SC 2 Water reuse in urban areas

International Standard

Scope

This document provides guidelines for the planning and design of a reverse osmosis (RO) treatment system of municipal wastewater. This document is applicable to practitioners and authorities who intend to implement principles and decisions on RO treatment of municipal wastewater in a safe, reliable and sustainable manner. This document addresses RO treatment systems of municipal wastewater in their entirety and is applicable to any RO treatment system component.
This document provides:
— standard terms and definitions;
— a description of the system components of an RO treatment system of municipal wastewater;
— design principles of an RO treatment system of municipal wastewater;
— statements on the feed water quality and technical requirements of an RO treatment system;
— guidance for operation and maintenance of an RO treatment system;
— specific aspects for consideration and emergency response.
Design parameters and regulatory values of an RO treatment system of municipal wastewater are out of the scope of this document.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 23070:2020

NOW

IN_DEVELOPMENT
ISO/WD 23070
20.60 Close of comment period
Sep 5, 2026




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