rainwater management Articles

  • `Standards are desperately needed for plastic and pesticide contamination in soil´

    In addition to plastic in the oceans, plastic contamination in arable land throughout Europe and other parts of the world is a growing problem. No standards exist for these types of soil pollutants, nor for pesticide residues or their degradation products. For this reason, Professor Violette Geissen is calling for standards to be implemented. On 15 June, Geissen will deliver her inaugural address ...

  • Rainwater harvesting and management – policy and regulations in Germany

    This paper discusses the most important policies and regulations supporting the decentralized management, harvesting and utilization of rainwater in Germany, where such measures have been increasingly applied during the last few decades. The development and implementation of specific policies and regulations contributed significantly to that trend. They also work as incentives for the ...


    By IWA Publishing

  • Workshop: Exploiting the rainwater resource

    Professor Mooyoung Han chaired a workshop for the recently-created IWA Rainwater Harvesting and Management (RWHM) Group. Professor Han is well-known as an expert in the field of rainwater harvesting and was involved in the Star City project in Seoul, Korea. The Star City project was a landmark project for an increased focus on rainwater harvesting in Korea, a high-rise building complex on the ...


    By IWA Publishing

  • An integrated approach to water management in Kayseri: rainwater collection and use in an amusement park

    Water management in urban areas of developing countries is a major environmental challenge for the future. Within the framework of the IWA Cities of the Future Programme, current water and wastewater management systems are investigated in Kayseri, Turkey, with the purpose of bringing water into the center of city life by a reformed pilot project. In order to assess both the quantity and dynamics ...


    By IWA Publishing

  • Water quality management for domestic rainwater harvesting systems in Fiji

    Health risks from drinking rainwater are relatively small in the developing world context, but action is needed to ensure water safety. Water safety plans (WSPs) use an approach to manage water quality that has shown signs of success with public and communal water supplies, but relatively little research has been done to investigate the application of WSPs to self-supply systems. The aim of this ...


    By IWA Publishing

  • Improving collected rainwater quality in rural communities

    The country of Mexico is facing serious problems with water quality and supply for human use and consumption in rural communities, mainly due to topographic and isolation. In Mexico the average annual precipitation is 1,500 cubic kilometers of water, if 3% of that amount were used, 13 million Mexicans could be supplied with drinking water that they currently do not have access. Considering the ...


    By IWA Publishing

  • Harvested rainwater quality: the importance of appropriate design

    This paper summarises the physicochemical and microbiological quality of water from a rainwater harvesting (RWH) system in a UK-based office building. 7 microbiological and 34 physicochemical parameters were analysed during an 8 month period. Physicochemically, harvested rainwater quality posed little health risk; most parameters showed concentrations below widely used guideline levels for ...


    By IWA Publishing

  • Rainwater Harvesting: So Easy A Homeowner Can Do It

    Rainwater Harvesting, what’s that? It’s something so easy, a homeowner can do it. As most of you already know, the concept has been around for years, BUT…how do you make it a concept you can retrofit into your home? What was at one time an engineering marvel is now ...


    By Rainwater Warehouse

  • Comparing the microbial characteristics of rainwater in two operating rainwater tanks with different surface-to-volume ratios

    In this study, the microbial characteristics of rainwater in two tanks with different surface-to-volume ratios were investigated and compared to determine how the internal design features of storage tanks affect water quality. The particle and nutrient parameters of the rainwater, including turbidity, suspended solids, total organic carbon, and total phosphate, were lower in Tank 2, which had a ...


    By IWA Publishing

  • Valuing stormwater, rainwater and wastewater in the soft path for water management: Australian case studies

    A Water Sensitive City is now commonly acknowledged best practice for designing the cities of the future. In Australia, the National Water Initiative has allocated high priority towards offering insight into successful water sensitive urban development projects, to facilitate capacity building within the industry. This paper shares innovative water sensitive projects implemented at Kogarah City ...


    By IWA Publishing

  • Design and management of rainwater harvesting systems to control water quality for potable purposes in Cu Khe, Vietnam

    There are debates about whether rainwater is suitable as drinking water. A serious shortcoming of the debate is that there are differences in the design and management of rainwater harvesting (RWH) systems. This study is based on the performance of two RWH systems that are used for drinking purposes at a kindergarten and a primary school in Cu Khe, Vietnam. Each system comprised a painted ...


    By IWA Publishing

  • The impact of diurnal water use patterns, demand management and rainwater tanks on water supply network design

    The traditional use of long-term average consumption records and “peak factors” to determine water network design criteria does not account for allotment-scale diurnal water use patterns which impact upon the dynamics of water distribution systems. The diversity of allotment-scale diurnal water use patterns directly impacts on network dynamics. Demand management and rainwater tanks are likely to ...


    By IWA Publishing

  • Effects of rainwater harvesting on centralized urban water supply systems

    The potential effect of widespread rainwater harvesting practices on mains water demand and quality management are investigated for three different types of urban areas characterized by different roof area to water demand ratios. Two rainfall patterns are considered with similar average annual depths but very different temporal distributions. Supply reliability and the extent of reliance on the ...


    By IWA Publishing

  • Performance of pervious pavement parking bays storing rainwater in the north of Spain

    Pervious pavements are drainage techniques that improve urban water management in a sustainable manner. An experimental pervious pavement parking area has been constructed in the north of Spain (Santander), with the aim of harvesting good quality rainwater. Forty-five pervious pavement structures have been designed and constructed to measure stored water quantity and quality simultaneously. Ten ...


    By IWA Publishing

  • Rainwater-harvesting measures at BARC, Trombay, Mumbai: a case study

    The rapid dwindling of fresh water resources has focused worldwide attention on water conservation measures and integrated water management. Rain, the important component of the hydrological cycle, has therefore received enormous attention, and Rainwater Harvesting (RWH) has emerged as one of the most important and economical tools of water conservation. Bhabha Atomic Research Centre, with its ...


    By Inderscience Publishers

  • Design and construction of an experimental pervious paved parking area to harvest reusable rainwater

    Pervious pavements are sustainable urban drainage systems already known as rainwater infiltration techniques which reduce runoff formation and diffuse pollution in cities. The present research is focused on the design and construction of an experimental parking area, composed of 45 pervious pavement parking bays. Every pervious pavement was experimentally designed to store rainwater and measure ...


    By IWA Publishing

  • Rising Water Prices Mean Rainwater Harvesting Tanks are the Future

    Following one of the warmest summers in recent years and a number of water companies planning to raise bills by up to 8 per cent, it’s never been more important to plan for the future.  According to SWARM (South West Agricultural Resource Management) water is no longer a cheap and plentiful resource to farmers and growers, especially for those based in the South West and the ...


    By ENDURAMAXX

  • Impact of rainwater harvesting systems on nutrient and sediment concentrations in roof runoff

    Rainwater harvesting (RWH) systems have the unique ability to contribute to stormwater management goals via mitigation of runoff volumes and peak flow rates. Additionally, collecting and storing runoff via RWH systems can potentially provide water quality benefits due to physical and chemical processes that occur within the storage tank. This study quantified the water quality improvement ...


    By IWA Publishing

  • 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 the ...


    By IWA Publishing

  • Rainwater harvesting in rural Trinidad; a cross sectional, observational study

    Rainwater harvesting is a well-established practice in many parts of the world. In the right environment it can provide a convenient, inexpensive and sustainable source of potable water. This study explored rainwater collecting system use within rural Trinidadian communities. Data regarding participants' demographic details, water practices, health- and water-related beliefs were ...


    By IWA Publishing

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