Watershed Management for Potable Water Supply:: Assessing the New York City Strategy (Google eBook)

Front Cover
National Academies Press, Feb 17, 2000 - Science - 564 pages
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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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Contents

EXECUTIVE SUMMARY
1
1 THE PROBLEM
23
2 The New York City Water Supply System
45
3 Evolution of Key Environmental Laws Regulations and Policies
88
4 Watershed Management for Source Water Protection
130
5 Sources of Pollution in the New York City Watersheds
158
6 Tools for Monitoring and Evaluation
206
7 Land Acquisition and Land Use Planning
279
10 Setbacks and Buffer Zones
427
11 Wastewater Treatment
468
12 Overarching Issues
492
Appendix A Abridged Version of the New York City Watershed Memorandum of Agreement MOA
517
Appendix B Use Classifications and Water Quality Criteria for New York State
523
Appendix C Microbial Risk Assessment Methods
528
The Impact Index
532
Appendix E Acronyms
542

8 Phosphorus Management Policies Antidegradation and Other Management Approaches
314
9 Nonpoint Source Pollution Management Practices
386
Appendix F Biographical Information
550
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