water supply planning Articles

  • The Effects of Intermittent Supply on Water Distribution Networks

    The world’s population is increasing at a tremendous rate, the world’s renewable water resources are reducing rapidly, the gap between supply and demand is widening with urbanisation and climate change making it even wider. This paper reviews how the Water Board of Lemesos, Cyprus, a water utility with a proven history of managing extremely well its distribution network, was forced ...


    By IWA Publishing

  • Application of GIS to Plan Long-Range Water Supply Facilities by Linking Land Use and Water Billing Data of City of Cape Coral in Southwest Florida

    This paper describes the application of a land use based approach to prepare a long-range forecast of water supply demand for the city of Cape Coral in southwest Florida. There are two common approaches to forecast water demand: (1) use of population projections; and (2) analysis of future land use planning. The South Florida Water Management District (SFWMD), as required in 2002 Legislation, has ...

  • Conducting surveys for water supply and sanitation in Indonesia

    Surveys can vary in cost and complexity depending upon the sample size, number of questions and degree of accuracy. But sometimes, even after huge expenditures, the results can be misleading or just plain wrong. Simple surveys to determine willingness to pay or consumer preferences can be accomplished by the local government for minimal expense and still provide ...


    By IWA Publishing

  • Azerbaijan National Water Supply and Sanitation Project

    The water supply and sewer system in Azerbaijan is characterized by old, damaged and largely dysfunctional infrastructure and is financial constrained and poorly operated. This results in the level and the quality of the water supply and wastewater treatment (WWT) services especially in small towns being significantly degraded. Water shortage and the use of dirty water for drinking have ...


    By Huckbody Environmental

  • Problem Solver for water supply - Pollution incidents

    Pollution in water supplies has always been a concern for water companies and with today’s political climate the issue has never been more important. The threat of terrorism and the requirements of Homeland Security and similar initiatives around the world require that water companies maintain detailed plans for how to ...


    By Innovyze

  • Integrated water resource planning in the context of climate uncertainty

    In many locations, climate change may significantly reduce urban water supplies and could also affect water demand. With uncertainty around future climate, supply-demand planning needs to adapt. This paper addresses the question: How does climate change alter Integrated Resource Planning (IRP) for urban water? The paper covers the setting of planning objectives in the face of climate change, ...


    By IWA Publishing

  • MFE slipline of water supply case study

    HOBAS Under Live Runway When the main water supply line at the McAllen, Texas, airport was rehabilitated using HOBAS pipe, it brought new meaning to the phrase “slipline live.” McAllen-Miller International Airport (MFE) is the primary business airport of deep South Texas and Northeast Mexico. To accommodate the future needs of the greater Rio Grande Valley, a master ...


    By Hobas Pipe USA

  • Delivering an essential and sustainable water plan for Sydney, Australia

    The water supply for Sydney, which is the largest city in Australia, has been affected by variable climate patterns which include long periods of drought. Water resource needs for the future will be significantly affected by climate change and population growth. A ‘Water for Life’ equation has been adopted as a multi-faceted approach to achieving future, sustainable water ...


    By IWA Publishing

  • Salting icy roads affects water supplies

    It’s basic chemistry: Saline water’s freezing point is much lower than fresh water’s, which can help keep ice from forming on roads. To reduce winter accidents, municipal and state workers often apply salt and other compounds to icy roads, because if not accidents start to happen and people end up in need cash in emergency. Unfortunately, this may have unintended consequences ...


    By Fluence Corporation

  • Empowering rural communities: simple Water Safety Plans

    Every year 2800 deaths in Pacific island countries result from diarrhoea, and most are children under five years of age. These tragic diarrheal deaths are preventable as they are often linked to unsafe water, lack of proper sanitation facilities and poor hygienic practices. Effective preventive management through the framework of a drinking Water Safety Plan (WSP) is an efficient mechanism for ...


    By IWA Publishing

  • 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 ...


    By IWA Publishing

  • Development of sustainable operational technologies of the water treatment plant for stable water supply

    For the continuous and stable supply of safe drinking water, it is essential to not only design suitable water treatment plants that can handle the characteristics of raw water quality but also appropriately operate and control them. Controlling complicated water treatment systems using fewer operators essentially requires hazard identification and the establishment of the operation and control ...


    By IWA Publishing

  • Water crisis: the metropolitan Atlanta, Georgia, regional water supply conflict

    Many large population centres are currently facing considerable difficulties with planning issues to secure future water supplies, as a result of water allocation and environmental issues, litigation, and political dogma. A classic case occurs in the metropolitan Atlanta area, which is a rapidly growing, large population centre that relies solely on surface water for supply. Lake Lanier ...


    By IWA Publishing

  • Renewal prioritization of multi-regional water supply pipelines through water supply risk assessment

    In the Republic of Korea, multi-regional water supply pipelines were intensively laid during the rapid economic growth period; however, these pipelines are now aging. The cost of renewal of the aged pipelines would be enormous. Therefore, limited resources need to be distributed effectively in accordance with the priority of renewal. In this study, the risks involved in the multi-regional ...


    By IWA Publishing

  • Success or failure: demonstrating the effectiveness of a Water Safety Plan

    The Water Safety Plan (WSP) concept has become a globally recognised and accepted approach to drinking water supply management and operation. Many countries around the world are adopting this proactive, risk-based model for ensuring consistent confidence in drinking water safety, accessibility and affordability. While it is widely accepted that the WSP concept is an appropriate tool for ensuring ...


    By IWA Publishing

  • Labor’s national plan to tackle the water crisis

    Australia is confronting a national water crisis. Australia is the world’s driest inhabited continent, but for too long, we have taken fresh water for granted. Now, drought and climate change are causing massive hardship. Urgent action is needed from all governments, all industry and all Australians to change the way we use and value water. We use more water per head of population than any other ...


  • Water Supply and Ground Water Resource Management Projects case study

    Borough of Dublin, Bucks County Hydrogeological Consultant of Record Mercuri and Associates, Inc. was contracted to conduct the necessary hydrogeologic study to identify and recommend test well sites to augment the available water supply. Study was completed on time and on budget and resulted in the identification of eight sites with the potential for ...


    By Mercuri & Associates, Inc.

  • Risk-based planning for water recycling in an Australian context

    Australia has seen an unprecedented proliferation in large scale water recycling schemes since the late 1990s. This has been driven by a recent decade of drought, policies to encourage water efficiency in new homes and buildings in urban areas, and to reduce pressure on rain-fed water supplies by replacement with alternate water sources in rural areas. Underpinning these drivers are principles ...


    By IWA Publishing

  • Topological clustering as a tool for planning water quality monitoring in water distribution networks

    Topological clustering was explored as a tool for water supply utilities in preparation of monitoring and contamination contingency plans. A complex water distribution network model of Copenhagen, Denmark, was simplified by topological clustering into recognizable water movement patterns to: (1) identify steady clusters for a part of the network where an actual contamination has occurred; (2) ...


    By IWA Publishing

  • The impact of water resource planning on water issues in Beijing, China

    Water has become a critically important resource in Beijing. In this study, a systematic analysis of changes in conditions related to water resources in Beijing since 1949 was performed. These include changes in water quantity and quality, water disasters, as well as an analysis of the evolution of water resource planning in Beijing over this period of time. Also, past approaches to urbanization ...


    By IWA Publishing

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