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The Evolution of Water Resources Management
Published in Brian D. Fath, Sven E. Jørgensen, Megan Cole, Managing Water Resources and Hydrological Systems, 2020
Francine van den Brandeler, Joyeeta Gupta
City-centric frameworks, such as Integrated Urban Water Management (IUWM) and SUWM, have emerged, with roots in IWRM (Bahri 2012). IUWM promotes a holistic view of the urban water cycle, involving stakeholder participation and a flexible mode of strategic planning (Closas et al. 2012; Varis et al. 2006; Brown 2005). SUWM frames water as central to sustainability in cities and a potential starting point for urban planning (Daigger 2011). It aims to combine large and centralized infrastructure with alternative, decentralized and hybrid systems, such as green infrastructure and water reuse (Closas et al. 2012; Younos 2011; Van de Meene et al. 2011). However, such shifts are often hindered in practice by investment and technological ‘lock-in’ (Marlow et al. 2013). Institutional inertia, caused by factors such as overcentralization, bureaucratic inefficiencies, and a lack of sustainable finance, further limits the implementation of IUWM and SUWM, in particular as urban water challenges become increasingly large and complex (Brown and Farrelly 2007; Lee 2000). Another issue with these frameworks is that they do not address water resources beyond urban boundaries (Brandeler et al. 2018). Ultimately, water management approaches are in constant flux (see Figure 2). As climate change and urbanization increasingly shape water-related challenges, water management approaches will need to adjust to these drivers.
Water and sustainable cities
Published in Sarah Bell, Urban Water Sustainability, 2017
Integrated urban water management (IUWM) translates this approach to the city scale. The emphasis is on managing water supply, wastewater treatment, drainage and flood control to achieve mutual benefits and sustainable development (Bahkri, 2012; Brown et al., 2009; Mitchell, 2006). Following the principles of stakeholder engagement and public participation, IUWM involved different sections of water and wastewater utilities, local government, planners, developers, industry and civil society, bridging urbanisation processes and water management. IUWM aims to improve the efficiency of water use, identify opportunities to reduce reliance on external resources, and minimise the volume of water to be transferred and treated in wastewater and stormwater systems. IUWM literature speaks of the need to understand cities as water catchments and to move from single-use, linear flows to circular patterns which reuse water within the city rather than disposing of wastewater and surface water into the environment (Andrew, 2007; Bahkri, 2012).
Neo-hydraulic water management: an international comparison of idle desalination plants
Published in Urban Water Journal, 2019
Integrated Urban Water Management (IUWM) translates this approach to the city scale. The emphasis is on managing water supply, wastewater treatment, drainage, and flood control to achieve mutual benefits and sustainable development (Bahkri 2012; Brown, Keath, and Wong 2009; Mitchell 2006). Following the principles of stakeholder engagement and public participation, IUWM involves different sections of water and wastewater utilities, local government, planners, developers, industry and civil society, bridging urbanization processes and water management. IUWM aims to improve the efficiency of water use, identify opportunities for reducing reliance on external resources, and minimize the volume of water to be transferred and treated in wastewater and stormwater systems. IUWM literature speaks of the need to understand cities as water catchments and to move from single use, linear flows to circular patterns which reuse water within the city rather than disposing of wastewater and surface water into the environment (Andrew 2007; Bahkri 2012).
Investigation of water quality in combined recycled water and stormwater systems
Published in Urban Water Journal, 2018
M.P. Perera, A.W.M. Ng, S. Muthukumaran, J. O’Connor, B.J.C Perera
Fresh water is a finite natural resource. Prolonged drought, record low inflows, population increase and climate change have increased the pressure on the water agencies in supplying water through conventional water supply systems. Additional measures such as water demand management and the use of alternative water resources (e.g. recycled water and stormwater) have been considered by water agencies to address these pressures. Urban water management is now on the verge of a revolution in response to rapidly increasing water demands and to make urban water systems more resilient to climate change (Bahri 2012). IUWM is an approach which is used by urban water utilities to plan and manage urban water systems (i.e. water supply, wastewater and stormwater systems) to minimise their impact on the natural environment, to maximise their contribution to social and economic viability, and to engender overall community improvement (Maheepala et al. 2010).