Impacts Of Fire Flow On Distribution System Water Quality Design And Operation
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Impacts of Fire Flow on Distribution System Water Quality Design and Operation
Author | : Jerry K. Snyder,AWWA Research Foundation |
Publsiher | : American Water Works Association |
Total Pages | : 204 |
Release | : 2002 |
Genre | : Dual water systems |
ISBN | : 9781583212561 |
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This report, co-sponsored by the American Water Works Association's Research Foundation and Kiwa of the Netherlands, evaluates the impacts of fire flow requirements on distribution system design and water quality using hypothetical and actual case studies. The report also evaluates alternatives to m
Distribution Water Quality Issues Related to New Development Or Low Usage
Author | : Yakir J. Hasit |
Publsiher | : American Water Works Association |
Total Pages | : 116 |
Release | : 2006 |
Genre | : Drinking water |
ISBN | : 9781583215135 |
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Many water utilities deal with water quality problems in the distribution system due to low water usage. This study uncovers the many problems of low usage and reports on the variety of mitigation practices used by North American utilities. An included CD-ROM provides decision support software to help utilities systematically weigh the costs and benefits of a variety of best management practices (BMPs) for mitigating the water quality issues caused by low usage and thus cutting down on customer complaints and higher distribution costs.
Development of Distribution System Water Quality Optimization Plans
Author | : Melinda J. Friedman |
Publsiher | : American Water Works Association |
Total Pages | : 256 |
Release | : 2005 |
Genre | : Water |
ISBN | : 9781583213889 |
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CD-ROM contains chapter 4 and appendices A & B.
Water Supply Systems and Evaluation Methods Volume I Water Supply System Concepts
Author | : Anonim |
Publsiher | : FEMA |
Total Pages | : 153 |
Release | : 2024 |
Genre | : Electronic Book |
ISBN | : 9182736450XXX |
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Drinking Water Distribution Systems
Author | : National Research Council,Division on Earth and Life Studies,Water Science and Technology Board,Committee on Public Water Supply Distribution Systems: Assessing and Reducing Risks |
Publsiher | : National Academies Press |
Total Pages | : 405 |
Release | : 2007-01-22 |
Genre | : Science |
ISBN | : 9780309103060 |
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Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.
Fundamentals and Control of Nitrification in Chloraminated Drinking Water Distribution Systems M56
Author | : AWWA Staff |
Publsiher | : American Water Works Association |
Total Pages | : 288 |
Release | : 2011-01-12 |
Genre | : Denitrification |
ISBN | : 9781613000298 |
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This brand new manual was written because of the increased use of chloramine as a residual disinfectant in drinking water distribution systems and the ubiquitous presence of nitrifying bacteria in the environment. Chapters cover background information on the occurrence and microbiology of nitrification in various water environments and provide current practical approaches to nitrification prevention and response. This manual provides a compendium of the current state-of-the-art knowledge, however with quickly developing new advances in nitrification, more writings will be forthcoming. Each chapter can be read independently.
Discolouration in Drinking Water Systems
Author | : Jan Vreeburg |
Publsiher | : IWA Publishing |
Total Pages | : 169 |
Release | : 2010-08-14 |
Genre | : Science |
ISBN | : 9781843393757 |
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Special Offer: KWR Drinking Water Treatment Set - Buy all five books together and save a total £119! Discolouration in Drinking Water Systems analyses the particle-related processes involved in the generation of discolouration problems in the network. To this end, new measuring methods have been developed such as continuous monitoring of turbidity and particle count, the Resuspension Potential Method (RPM), and the Time Integrated Large Volume Sampler (TILVS). With these new methods the discolouration problem can be seen as related to loose deposits in the network. The incidental re-suspension of accumulated loose particles is the main cause of discolouration events in the network. The origin of the particles is mainly the treated drinking water, followed by processes in the network like post-flocculation, corrosion and leaching and biological growth and re-growth. Irrespective of the cause of the particles the accumulation to layers of loose deposits can initiate water quality problems. This book looks at how managing the accumulation is possible through controlling the velocity in the pipes and through removing the loose deposits through effective cleaning.
Encyclopedia of Environmental Health
Author | : Anonim |
Publsiher | : Elsevier |
Total Pages | : 4896 |
Release | : 2019-08-22 |
Genre | : Science |
ISBN | : 9780444639523 |
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Encyclopedia of Environmental Health, Second Edition, Six Volume Set presents the newest release in this fundamental reference that updates and broadens the umbrella of environmental health, especially social and environmental health for its readers. There is ongoing revolution in governance, policies and intervention strategies aimed at evolving changes in health disparities, disease burden, trans-boundary transport and health hazards. This new edition reflects these realities, mapping new directions in the field that include how to minimize threats and develop new scientific paradigms that address emerging local, national and global environmental concerns. Represents a one-stop resource for scientifically reliable information on environmental health Fills a critical gap, with information on one of the most rapidly growing scientific fields of our time Provides comparative approaches to environmental health practice and research in different countries and regions of the world Covers issues behind specific questions and describes the best available scientific methods for environmental risk assessment