ISO 23056:2020
Water reuse in urban areas — Guidelines for decentralized/onsite water reuse system — Design principles of a decentralized/onsite system
This document provides guidelines for the planning, design principles and considerations of a decentralized/onsite water reuse system and water reuse applications in urban areas.
This document is applicable to practitioners and authorities who intend to implement principles and decisions on decentralized water reuse in a safe, reliable and sustainable manner.
This document addresses decentralized/onsite water reuse systems in their entirety and is applicable to any water reclamation system component (e.g. source water collection, treatment, storage, distribution, operation and maintenance and monitoring).
This document provides:
— standard terms and definitions;
— description of system components and possible models of a decentralized/onsite water reuse system;
— design principles of a decentralized/onsite water reuse system;
— common assessment criteria and related examples of water quality indicators, all without setting any target values or thresholds;
— specific aspects for consideration and emergency response.
Design parameters and regulatory values of a decentralized/onsite water reuse system are out of the scope of this document.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Planning of a decentralized/onsite water reuse system
4.1 General
4.2 Possible models of the system
4.2.1 General
4.2.2 Onsite water reuse system
4.2.3 Cluster water reuse system
4.2.4 Community water reuse system
5 Collection of source water for decentralized/onsite water reuse
5.1 Source water
5.2 Collection system
5.3 Greywater collection, treatment and reuse
6 Treatment processes
6.1 General
6.2 Natural treatment process
6.3 Aerobic, anaerobic and combined processes
6.4 Disinfection
6.5 Advanced processes
7 Storage and delivery system
8 Monitoring
9 Risk management and emergency response plan
9.1 Risk management
9.2 Emergency response plan
10 Public engagement and outreach
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Planning of a decentralized/onsite water reuse system
4.1 General
4.2 Possible models of the system
4.2.1 General
4.2.2 Onsite water reuse system
4.2.3 Cluster water reuse system
4.2.4 Community water reuse system
5 Collection of source water for decentralized/onsite water reuse
5.1 Source water
5.2 Collection system
5.3 Greywater collection, treatment and reuse
6 Treatment processes
6.1 General
6.2 Natural treatment process
6.3 Aerobic, anaerobic and combined processes
6.4 Disinfection
6.5 Advanced processes
7 Storage and delivery system
8 Monitoring
9 Risk management and emergency response plan
9.1 Risk management
9.2 Emergency response plan
10 Public engagement and outreach
Bibliography