Review of the New York City Department of Environmental Protection operations support tool for water supply /

Review of the New York City Department of Environmental Protection operations support tool for water supply /

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Bibliographic Details
Corporate author / creator: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, author.
Imprint:Washington, D.C. : National Academies Press, [2018]
Description:1 online resource (215 pages)
Language:English
Series:A consensus study report of the National Academies of Sciences, Engineering, Medicine
Consensus study report.
Subject:
Water-supply -- New York (State) -- New York -- Computer simulation.
Water-supply -- New York (State) -- New York -- Forecasting.
Water-supply -- Computer simulation.
Water-supply -- Forecasting.
New York (State) -- New York.
Format: E-Resource Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/11847452
Hidden Bibliographic Details
Varying Form of Title:Operations support tool for water supply
Other authors / contributors:National Academies of Sciences, Engineering, and Medicine (U.S.). Water Science and Technology Board.
ISBN:9780309482820
0309482828
9780309482806
0309482801
0309482798
9780309482790
Notes:Includes bibliographical references.
Online resource; title from digital title page (viewed on December 30, 2019).
Summary:"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
Other form:Print version: National Academies of Sciences, Engineering, and Medicine. Review of the New York City Department of Environmental Protection Operations Support Tool for Water Supply. Washington, D.C. : National Academies Press, ©2018 9780309482790
Table of Contents:
  • 1 Introduction
  • 2 Description of the Operations Support Tool
  • 3 Metrics for the Catskill Turbidity Control Program
  • 4 Use of OST Within the Environmental Impact Statement for Modifications to the Catalum SPDES Permit
  • 5 Use of OST in a Changing Climate
  • 6 Enhancements and Future Uses of OST
  • Appendix A: Observed Hydrologic Trends
  • Appendix B: Use of Climate and Hydrologic Models for Projecting Future Water Resources
  • Appendix C: Glossary of Terms
  • Appendix D: Biographical Sketches of Committee Members and Staff

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