urban water Articles
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Receptivity to sustainable urban water management in the South West Pacific
Small urban centres in the South West Pacific face many challenges regarding urban water management in the light of future uncertainties and climate change. Without implementing sustainable urban water management (SUWM), they risk adverse environmental and public health impacts, but little is known regarding the receptivity of urban water professionals towards its principles and practices. This ...
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Extending the water safety plan concept to the urban water cycle
The urban water cycle (UWC) is often managed by several stakeholders dealing with specific components of the cycle such as water supply, wastewater systems and water bodies management. Therefore, risk management in the UWC benefits from an integrated approach to incorporate the interdependencies between elements. The water cycle safety plan (WCSP) provides a common risk management framework for ...
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Risk-based approach to manage aging urban water main infrastructure
The growing number of challenges in how to manage aging infrastructures, while maintaining a suitable level of service, have become major problems for many municipal water utility companies. As a result, municipalities are increasingly considering the concept of risk assessment and prioritization as the first and an important step that has to be used towards effective asset-management ...
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Risk perceptions and receptivity of Australian urban water practitioners to stormwater harvesting and treatment systems
Stormwater harvesting and treatment will be critical systems within water-sensitive cities. Although water practitioners acknowledge the importance of developing stormwater as a water source, their risk perceptions might be barriers. Risk perceptions can be understood within a receptivity framework, with awareness, association, acquisition and application components. In this study, water ...
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Antiviral pandemic risk assessment for urban receiving waters
An 80% metabolic conversion of the Tamiflu® pro-drug (oseltamivir phosphate, OP) to its metabolite oseltamivir carboxylate (OC) and a high excretion rate combined with poor removal at sewage treatment works (STWs) means that potentially high STW OC emissions may occur in receiving waters. A risk assessment approach undertaken within the River Lee catchment in North East London indicates that ...
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Rainwater tanks in modern cities: a review of current practices and research
Rainwater tanks often provide a reliable and affordable water supply source in rural and remote areas where piped water supply systems are unfeasible due to economic considerations. However, over recent decades there has been an increase in the adoption of rainwater harvesting as part of the water supply source mix in modern cities. The uptake of rainwater harvesting has been influenced by ...
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Are we risking too much? Estimating the risk-mitigating benefit of urban water supply augmentation options
Increasing population is leading to water shortfalls in urban areas across the world. Shortfalls are intensified in arid and semi-arid regions under climate change through reduced and highly variable rainfall and greater frequency of droughts. Water planners are increasingly considering investments in capital infrastructure to enhance water security. Augmentation involves high capital sunk ...
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The management of urban surface water flood risks: SUDS performance in flood reduction from extreme events
The need to improve the urban drainage network to meet recent urban growth and the redevelopment of old industrial and commercial areas provides an opportunity for managing urban surface water infrastructure in a more sustainable way. The use of sustainable urban drainage systems (SUDS) can reduce urban surface water flooding as well as the pollution impact of urban discharges on receiving ...
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Private-public partnerships reduce water risk in South Africa
With its high reliance on manufacturing, mining, and agriculture, South Africa’s economy runs on fresh water. Recent projections estimate a startling 17 percent gap between water demand and supply in the country by 2030. Even more concerning, the areas most affected, the Gauteng and Vaal River regions, are also the most economically significant: According to the Department of Water Affairs ...
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Report: Australian Water Price Could More Than Double by 2030
Increasing efficiency, privatization, and infrastructure updates proposed as solutions Infrastructure Australia, an independent statutory source of research and recommendations for government, has issued a stark warning about projected Australian water prices in its December 2017 report, “Reforming Urban Water: A National Pathway for Change.” Chief Executive Philip Davies said the ...
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Grow in concert with nature : green water defense for flood risk management in East Asia
This summary note presents the key concept and approach of Green Water Defense for flood risk management in East Asia. East Asia is home to more than a quarter of the world's population. It saw impressive economic growth in the past decade, accompanied by rapid population growth and urbanization. As a result, land and water resources in this region are under increasing pressure leading to ...
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Urban Sprawl, Water Insecurity, and Enteric Diseases in Children from Mexico City
An ecosystem approach was adopted to investigate the interactions among anthropogenic habitat alterations, overcrowding, water insecurity, and enteric diseases in young children in Mexico City. A geographic information system (GIS) was used to define eligible wells and surrounding homesteads. Water quality was obtained from previously published investigations, and bacterial indicators included ...
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Announcing Aquatech China 2023: Unlocking New Opportunities for the Water Technology Sector
Aquatech China, Asia’s leading trade show for water technology and solutions, is celebrating its 15th anniversary this June in Shanghai. The show will bring together more than 1,750 exhibitors from over 45+ countries and attract over 65,000 visitors, including industry professionals and representatives from government, international organisations and businesses. Aquatech is all about water ...
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Risk management of transboundary water resources: sustainable water management of the River Jordan basin area
The River Jordan basin suffers from regional water scarcity, wide economic discrepancies and a long-lasting dispute over land ownership. Prolonged, widespread unsustainable management has significantly decreased the water flow and aggravated water pollution. The river is now seriously at risk of drying up, with the loss of a unique ecosystem with important religious and cultural significance. ...
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5 Reasons Why Water Treatment Matters for Business and the Environment
Clean water access might be a basic human right on paper, yet billions face daily struggles to obtain safe drinking water and sanitation. Even developed countries like the UK experience droughts and release huge quantities of untreated sewage into waterways, making water treatment an environmental and business imperative. Implementing efficient systems benefits sectors by conserving ...
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Reference pathogen numbers in urban stormwater for drinking water risk assessment
Targeted stormwater event-based monitoring of adenovirus, Cryptosporidium and Campylobacter, the human health reference pathogens of viruses, protozoa and bacteria, respectively, was undertaken to determine numbers prior to water recycling via an aquifer. This allowed the determination of a 95th percentile of reference pathogen numbers in stormwater (2 n/L for adenoviruses, 1.4 n/L for ...
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Assessing Risk Information Concerning Coastal Runoff
Executive Summary In coastal urban watersheds, runoff from the landscape eventually reaches the ocean. If beaches along the ocean are used for recreation, three vital and interrelated questions arise. First, whether and to what extent does urban runoff degrade the quality of ocean water that is used for recreation? Second, to what extent docs this runoff-related ocean pollution pose a risk to ...
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Water Security Project
IWRA recognises ongoing global water security issues as a major challenge, and addresses them in the context of the Sustainable Development Goals in close collaboration with international organisations and key ...
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Rapid detection of pathogenic bacteria in surface water by PCR with universal primer
A rapid PCR method was developed by utilising a pair of universal primers which targeted four bacteria strains, namely Shigella dysenteriae, Vibrio cholerae, Salmonella typhimurium and Escherichia coli. The bacteria from several water bodies in the urban area of Xi'an City were detected by PCR, and the comparison was made with the conventional method. As a result, the detection limit of the DNA ...
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Deterioration in water quality from supply chain to household and appropriate storage in the context of intermittent water supplies
Many water providers in urban developing country contexts have to supply the water intermittently due to the disparity between rapidly growing demand and investment in supply infrastructure. This can lead to water quality risks such as ingress of polluted groundwater and unsafe household storage. This study has investigated the common risks and possible alternative solutions down the supply chain ...
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