Watershed Management for Potable Water Supply:: Assessing the New York City Strategy
Committee to Review the New York City Watershed Management Strategy, Commission on Geosciences, Environment and Resources, Division on Earth and Life Studies, National Research Council
National Academies Press, Feb 17, 2000 - Science - 564 pages
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.
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1 THE PROBLEM
2 The New York City Water Supply System
3 Evolution of Key Environmental Laws Regulations and Policies
4 Watershed Management for Source Water Protection
5 Sources of Pollution in the New York City Watersheds
6 Tools for Monitoring and Evaluation
7 Land Acquisition and Land Use Planning
10 Setbacks and Buffer Zones
11 Wastewater Treatment
12 Overarching Issues
Appendix A Abridged Version of the New York City Watershed Memorandum of Agreement MOA
Appendix B Use Classifications and Water Quality Criteria for New York State
Appendix C Microbial Risk Assessment Methods
Appendix E Acronyms
8 Phosphorus Management Policies Antidegradation and Other Management Approaches
9 Nonpoint Source Pollution Management Practices
Appendix F Biographical Information