The Future Of The New York City Water Supply System
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The Future Of The New York City Water Supply System
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Author : Mayor's Intergovernmental Task Force on New York City Water Supply Needs
language : en
Publisher:
Release Date : 1992
The Future Of The New York City Water Supply System written by Mayor's Intergovernmental Task Force on New York City Water Supply Needs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Water-supply categories.
Review Of The New York City Department Of Environmental Protection Operations Support Tool For Water Supply
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Author : National Academies of Sciences, Engineering, and Medicine (U.S.). Committee to Review the New York City Department of Environmental Protection Operations Support Tool for Water Supply
language : en
Publisher:
Release Date : 2018
Review Of The New York City Department Of Environmental Protection Operations Support Tool For Water Supply written by National Academies of Sciences, Engineering, and Medicine (U.S.). Committee to Review the New York City Department of Environmental Protection Operations Support Tool for Water Supply and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Water-supply categories.
"New York City's water supply system is one of the oldest, largest, and most complex in the nation. It delivers more than 1.1 billion gallons of water each day from three upstate watersheds (Croton, Catskill, and Delaware) to meet the needs of more than eight million people in the City, one million people in Westchester, Putnam, Orange, and Ulster counties, and millions of commuters and tourists who visit the City throughout the year. The Catskill and Delaware portions, which make up about 90 percent of the supply, receive no filtration or treatment other than disinfection, except for rare instances of high turbidity when a coagulant is added to increase deposition of suspended solids. The remaining 10 percent of the supply comes from the Croton watershed and receives treatment via filtration. The drinking water supply is managed by the Bureau of Water Supply within the New York City Department of Environmental Protection (NYC DEP). To continue to avoid filtration of the Catskill/Delaware portion of the water supply, in 2007, NYC DEP reexamined its control of turbidity in the Catskill portion of the water supply, including both structural improvements to the system and operational changes. The Operations Support Tool (OST) was developed as part of these efforts. OST couples models of reservoir operations and water quality; it uses real-time data on streamflow, snow pack, water quality, reservoir levels, diversions, and releases; and it incorporates streamflow forecasts--all in order to predict future reservoir levels, water delivery to customers, and water quality within the system. These predictions inform the system operators, who then make decisions based on the most current data and forecasts. This report reviews the use of OST in current and future reservoir operations. It considers potential ways in which the City can more effectively use OST, makes recommendations for additional performance measures, and reviews the potential effects of climate change on the City's water supply to help identify and enhance understanding of areas of potential future concern with regard to the use of OST"--Publisher's description
Review Of The New York City Department Of Environmental Protection Operations Support Tool For Water Supply
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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher: National Academies Press
Release Date : 2019-01-11
Review Of The New York City Department Of Environmental Protection Operations Support Tool For Water Supply written by National Academies of Sciences, Engineering, and Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-11 with Nature categories.
New York City's water supply system is one of the oldest, largest, and most complex in the nation. It delivers more than 1.1 billion gallons of water each day from three upstate watersheds (Croton, Catskill, and Delaware) to meet the needs of more than eight million people in the City, one million people in Westchester, Putnam, Orange, and Ulster counties, and millions of commuters and tourists who visit the City throughout the year. The Catskill and Delaware portions, which make up about 90 percent of the supply, receive no filtration or treatment other than disinfection, except for rare instances of high turbidity when a coagulant is added to increase deposition of suspended solids. The remaining 10 percent of the supply comes from the Croton watershed and receives treatment via filtration. The drinking water supply is managed by the Bureau of Water Supply within the New York City Department of Environmental Protection (NYC DEP). To continue to avoid filtration of the Catskill/Delaware portion of the water supply, in 2007, NYC DEP reexamined its control of turbidity in the Catskill portion of the water supply, including both structural improvements to the system and operational changes. The Operations Support Tool (OST) was developed as part of these efforts. OST couples models of reservoir operations and water quality; it uses real-time data on streamflow, snow pack, water quality, reservoir levels, diversions, and releases; and it incorporates streamflow forecastsâ€"all in order to predict future reservoir levels, water delivery to customers, and water quality within the system. These predictions inform the system operators, who then make decisions based on the most current data and forecasts. This report reviews the use of OST in current and future reservoir operations. It considers potential ways in which the City can more effectively use OST, makes recommendations for additional performance measures, and reviews the potential effects of climate change on the City's water supply to help identify and enhance understanding of areas of potential future concern with regard to the use of OST.
Review Of The New York City Watershed Protection Program
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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher: National Academies Press
Release Date : 2021-01-04
Review Of The New York City Watershed Protection Program written by National Academies of Sciences, Engineering, and Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-04 with Science categories.
New York City's municipal water supply system provides about 1 billion gallons of drinking water a day to over 8.5 million people in New York City and about 1 million people living in nearby Westchester, Putnam, Ulster, and Orange counties. The combined water supply system includes 19 reservoirs and three controlled lakes with a total storage capacity of approximately 580 billion gallons. The city's Watershed Protection Program is intended to maintain and enhance the high quality of these surface water sources. Review of the New York City Watershed Protection Program assesses the efficacy and future of New York City's watershed management activities. The report identifies program areas that may require future change or action, including continued efforts to address turbidity and responding to changes in reservoir water quality as a result of climate change.
Watershed Management For Potable Water Supply
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2000-02-17
Watershed Management For Potable Water Supply written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-02-17 with Nature categories.
In 1997, New York City adopted a mammoth watershed agreement to protect its drinking water and avoid filtration of its large upstate surface water supply. Shortly thereafter, the NRC began an analysis of the agreement's scientific validity. The resulting book finds New York City's watershed agreement to be a good template for proactive watershed management that, if properly implemented, will maintain high water quality. However, it cautions that the agreement is not a guarantee of permanent filtration avoidance because of changing regulations, uncertainties regarding pollution sources, advances in treatment technologies, and natural variations in watershed conditions. The book recommends that New York City place its highest priority on pathogenic microorganisms in the watershed and direct its resources toward improving methods for detecting pathogens, understanding pathogen transport and fate, and demonstrating that best management practices will remove pathogens. Other recommendations, which are broadly applicable to surface water supplies across the country, target buffer zones, stormwater management, water quality monitoring, and effluent trading.
Hudson River Project Northeastern U S Water Supply Study New York Metropolitan Area
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Author :
language : en
Publisher:
Release Date : 1978
Hudson River Project Northeastern U S Water Supply Study New York Metropolitan Area written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.
Protection Of The New York City Water Supply Land Development Threats And The Programs To Control Them
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Author : Werner Mueller
language : en
Publisher:
Release Date : 1999
Protection Of The New York City Water Supply Land Development Threats And The Programs To Control Them written by Werner Mueller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Water categories.
The Surface Water Treatment Rule under the Safe Drinking Water Act requires that all surface water sources used for drinking water must be filtered, unless the purveyor can demonstrate that the water is of such high quality that filtration is not required. The New York City Department of Environmental Protection (DEP) operates the New York City water supply system and is taking actions to ensure that the water supplied from the Catskill -- Delaware system remains of high enough quality to maintain an avoidance of filtration determination granted by the Environmental Protection Agency (EPA). New watershed rules and regulations have been adopted to govern land development activities, and to address pollutants that may be carried into the water supply system with storm water runoff from new impervious surfaces. This paper presents an overview of the pollution threats presented by new land development, outlines the evolution of the regulatory requirements controlling storm water management, and attempts an assessment of the effectiveness of the current regulatory initiatives. A land development scoring system is proposed to measure the rate of storm water management implementation and the impacts of the new regulations. The result of the research demonstrates that insufficient time has passed since the adoption of the watershed rules and regulations to allow a proper measure of their effectiveness. Finally, the land development scoring system is proposed as a simplified method for use by the DEP in monitoring the effect of the regulations as future land development activities take place.
Future Water Sources Of The City Of New York
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Author : New York (N.Y.). Mayor's Committee on Management Survey. Engineering Panel on Water Supply
language : en
Publisher:
Release Date : 1951
Future Water Sources Of The City Of New York written by New York (N.Y.). Mayor's Committee on Management Survey. Engineering Panel on Water Supply and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Hudson River categories.
The Future Of Outdoor Recreation In Metropolitan Regions Of The United States
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Author : United States. Outdoor Recreation Resources Review Commission
language : en
Publisher:
Release Date : 1962
The Future Of Outdoor Recreation In Metropolitan Regions Of The United States written by United States. Outdoor Recreation Resources Review Commission and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Government publications categories.
Public Works Appropriations For 1967
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Author : United States. Congress. House. Appropriations
language : en
Publisher:
Release Date : 1966
Public Works Appropriations For 1967 written by United States. Congress. House. Appropriations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.