scope:

This document provides guidelines for the management of centralized water reuse systems and water reuse applications in urban areas.

This document is applicable to practitioners and authorities who intend to implement management concepts, principles and supports on centralized water reuse in a safe, reliable and sustainable manner.

This document addresses centralized water reuse systems in their entirety and is applicable to any water reclamation system component (e.g. source water, treatment, storage, distribution, operation and maintenance and monitoring).

This document provides:

― standard terms and definitions;

― principles and methodology of reclaimed water management;

― management issues in each system component of a centralized water reuse system;

― specific aspects for consideration and emergency response.

Monitoring parameters and regulatory values of a centralized water reuse system are out of the scope of this document.