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Urban Water Demand Management

A Guidebook for ASEAN

Authors: Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Publisher: Springer Nature Singapore

Book Series : SpringerBriefs on Case Studies of Sustainable Development

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About this book

This open access book highlights knowledge and expertise in Urban Water Demand Management (WDM) in ASEAN through comprehensive literature review and analysis, as well as stakeholder consultations. It documents urban WDM policies, initiatives, and practices that have demonstrated effective implementation outcomes across various contexts and which are expected to be relevant for cities in ASEAN. A WDM typology developed for this book identifies four key WDM measures, namely: water losses, economic instruments, non-price mechanisms, and alternative water reuse systems in the ASEAN context. Case illustrations of their effective implementation in different ASEAN cities are also included.

Table of Contents

Frontmatter

Open Access

Chapter 1. Introduction
Abstract
This guidebook on urban water demand management in ASEAN seeks to document and synthesise good WDM policies, measures, and practices, relevant to ASEAN stakeholders. In particular, the guidebook is expected to be useful to policymakers interested in considering non-structural (Soft approaches/non-price mechanisms such as public education campaigns and school curricula, water efficiency audits and benchmarking, outreach and communication through utility bills, etc.) approaches to water management; to regulators in monitoring and incentivising performance in the water sector; and water service providers in increasing their service efficiency.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Open Access

Chapter 2. Key Challenges to Urban Water Management in ASEAN
Abstract
The ASEAN region experiences several socio-economic and environmental challenges brought on by rapid urbanisation, rising living standards, population growth, and climate change. Such challenges are severely impacting the region’s water access and long-term security. As a response to these challenges, governments have identified urban water demand management (WDM) as one of the measures of strategic importance. WDM aims to provide water users with efficient, cost-effective, and sustainable water supplies through various mechanisms.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Open Access

Chapter 3. Developing a Water Demand Management Plan
Abstract
A fit-to-context WDM plan can help inform water service providers how to achieve efficient water use and optimise existing water resources before contemplating the development of additional resources and infrastructure. Plans may incorporate WDM measures with clearly defined objectives, approach, potential outcomes, and timelines for implementation. On implementation, regular monitoring and assessments of WDM measures can ensure that they adapt to changing conditions and remain effective.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Open Access

Chapter 4. Key Water Demand Management Measures
Abstract
A water demand management typology identifies three key WDM measures, namely: water losses, economic instruments, and non-price mechanisms. The guidebook describes each of these measures and provides case illustrations of their effective implementation in different ASEAN cities.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Open Access

Chapter 5. Water Losses
Abstract
The volume of water losses depends largely on the approach to active leakage control of the water networks. Losses comprise physical losses (leakages on transmission and/or distribution networks, at utility’s storage tanks, and on service connections), commercial losses (unauthorised consumption and metering inaccuracies and data handling errors) and unbilled authorised consumption (unbilled metered and unmetered consumption). Reduction of real water losses may be achieved through leak detection and pipe repair and replacement, district metered areas (DMAs), and pressure management. Water loss management for reducing commercial losses may be achieved through water meters and customer reporting’s of illegal connections. All ASEAN countries implement water loss management through a combination of such measures.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Open Access

Chapter 6. Economic Instruments
Abstract
Water users’ consumption behaviour may be influenced via economic means such as by offering financial rewards and/or imposing monetary costs. The three most commonly used types of economic instruments are tariff structuring, water rebates, and fines for excessive use. Tariff mechanisms are the most commonly used economic instrument for WDM in ASEAN where several major cities have implemented an increasing block tariff (IBT) system.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Open Access

Chapter 7. Non-price Mechanisms
Abstract
Water users’ consumption behaviour may be influenced by non-economic tools to reduce their water usage and/or shape water-use practices and habits. Such measures include, but are not limited to, education and awareness-raising campaigns, water restrictions, water-saving devices and labelling schemes, water efficiency audits, and consumer outreach through utility bills. Water service providers are gradually incorporating these as part of their WDM strategies. In ASEAN, non-price mechanisms are widely implemented through various measures with demonstrated effectiveness in outcomes.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora

Open Access

Chapter 8. Concluding Remarks and Water Demand Management Measure Overview
Abstract
WDM has a critical role to play in securing future water supplies. The management of water resources in cities globally has changed in recent years, due to rapid population growth, urbanisation, rising living standards, and impacts of climate change. This has resulted in the need to develop more sustainable and efficient urban water systems worldwide, with urgency.
Corinne Ong, Cecilia Tortajada, Ojasvee Arora
Backmatter
Metadata
Title
Urban Water Demand Management
Authors
Corinne Ong
Cecilia Tortajada
Ojasvee Arora
Copyright Year
2023
Publisher
Springer Nature Singapore
Electronic ISBN
978-981-19-8677-2
Print ISBN
978-981-19-8676-5
DOI
https://doi.org/10.1007/978-981-19-8677-2