Water for the Future: Upstate Water Supply Resiliency Final Environmental Impact Statement December 2017 CEQR No: 15DEP006U Lead Agency: New York City Department of Environmental Protection Commissioner: Vincent Sapienza, P.E. Lead Agency Contact: Angela Licata, Deputy Commissioner of Sustainability Attention: Sangamithra Iyer, P.E. Director of Office of Water Supply Infrastructure & Watershed Assessment New York City Department of Environmental Protection Bureau of Environmental Planning and Analysis 59-17 Junction Boulevard Flushing, NY 11373 (718) 595-3585 [email protected] Preparers: New York City Department of Environmental Protection Bureau of Environmental Planning and Analysis Henningson, Durham & Richardson, Architecture and Engineering, P.C. 711 Westchester Avenue White Plains, NY 10604 Hazen and Sawyer 498 Seventh Avenue, 11th Floor New York, NY 10018 Table of Contents ACRONYMS ............................................................................................................................. A-1 GLOSSARY............................................................................................................................... G-1 EXECUTIVE SUMMARY .................................................................................................... ES-1 CHAPTER 1 : INTRODUCTION ........................................................................................ 1.1-1 1.1 Overview of Water for the Future .................................................................. 1.1-1 1.2 Organization of this Draft Environmental Impact Statement ..................... 1.2-1 CHAPTER 2 : PURPOSE AND NEED FOR THE PROPOSED UPSTATE WATER SUPPLY RESILIENCY ......................................................................................... 2.0-1 CHAPTER 3 : OVERVIEW OF THE CITY’S WATER SUPPLY SYSTEM ................ 3.1-1 3.1 Surface Water Supply System Overview ....................................................... 3.1-1 3.1.1 Catskill Water Supply System Overview ........................................................... 3.1-1 3.1.2 Delaware Water Supply System Overview ......................................................... 3.1-4 3.1.3 Croton Water Supply System Overview ............................................................. 3.1-5 3.1.4 Surface Water Supply System Operation ........................................................... 3.1-6 3.2 Groundwater System Overview ...................................................................... 3.2-1 CHAPTER 4 : WATER FOR THE FUTURE BACKGROUND AND PLANNING ...... 4.1-1 4.1 Background ....................................................................................................... 4.1-1 4.2 Water Supply Augmentation Planning .......................................................... 4.2-1 CHAPTER 5 : PROGRAM DESCRIPTION ...................................................................... 5.1-1 5.1 Water for the Future Project Components .................................................... 5.1-1 5.2 Water for the Future Supporting Projects ..................................................... 5.2-1 5.2.1 Demand Management ......................................................................................... 5.2-1 5.2.2 Catskill/Delaware Interconnection at Shaft 4 ..................................................... 5.2-1 5.2.3 Improvements to Catskill Aqueduct Stop Shutters ............................................. 5.2-2 5.2.4 Croton Water Filtration Plant.............................................................................. 5.2-2 5.2.5 Cross River and Croton Falls Pump Stations ...................................................... 5.2-3 WFF: Upstate Water Supply Resiliency FDEIS TOC-1 Table of Contents 5.3 Summary of Environmental Review of WFF Components and Supporting Projects .......................................................................................... 5.3-1 CHAPTER 6 : PROJECT DESCRIPTIONS ...................................................................... 6.1-1 6.1 Catskill Aqueduct Repair and Rehabilitation ............................................... 6.1-1 6.2 Water for the Future Shutdown System Operations .................................... 6.2-1 6.3 Rondout-West Branch Tunnel Inspection and Repair ................................. 6.3-1 CHAPTER 7 : POTENTIAL MAJOR DISCRETIONARY PERMITS, APPROVALS, AND CONSULTATION .............................................................................. 7.0-1 CHAPTER 8 : ANALYTICAL FRAMEWORK ................................................................ 8.0-1 8.1 EIS Assessment Conditions and Impact Categories ..................................... 8.1-1 8.2 Definition of Impact Categories and Analysis Thresholds ........................... 8.2-1 8.2.1 Land Use, Zoning, and Public Policy ................................................................. 8.2-1 8.2.2 Socioeconomic Conditions ................................................................................. 8.2-1 8.2.3 Community Facilities and Services .................................................................... 8.2-3 8.2.4 Open Space and Recreation ................................................................................ 8.2-3 8.2.5 Critical Environmental Areas ............................................................................. 8.2-4 8.2.6 Shadows .............................................................................................................. 8.2-4 8.2.7 Historic and Cultural Resources ......................................................................... 8.2-5 8.2.8 Urban Design and Visual Resources ................................................................... 8.2-7 8.2.9 Natural Resources ............................................................................................... 8.2-8 8.2.10 Hazardous Materials ........................................................................................... 8.2-9 8.2.11 Water and Sewer Infrastructure ........................................................................ 8.2-10 8.2.12 Solid Waste and Sanitation Services................................................................. 8.2-11 8.2.13 Energy ............................................................................................................... 8.2-12 8.2.14 Greenhouse Gas Emissions and Climate Change ............................................. 8.2-12 8.2.15 Transportation ................................................................................................... 8.2-12 8.2.16 Air Quality ........................................................................................................ 8.2-14 8.2.17 Noise ................................................................................................................. 8.2-15 8.2.18 Neighborhood Character ................................................................................... 8.2-17 8.2.19 Public Health ..................................................................................................... 8.2-17 CHAPTER 9 : PROPOSED CATSKILL AQUEDUCT REPAIR AND REHABILITATION ............................................................................................................... 9.1-1 9.1 Purpose and Need ............................................................................................. 9.1-1 WFF: Upstate Water Supply Resiliency FDEIS TOC-2 Table of Contents 9.2 Project Description ........................................................................................... 9.2-1 9.2.1 Background ......................................................................................................... 9.2-1 9.2.2 Overview of Proposed Activities ........................................................................ 9.2-3 9.2.3 Schedule .............................................................................................................. 9.2-5 9.2.4 Description of the Upper Catskill Aqueduct ..................................................... 9.2-10 9.2.5 Operation of the Upper Catskill Aqueduct ....................................................... 9.2-15 9.2.6 Proposed Repair and Rehabilitation Activities ................................................. 9.2-16 9.2.7 Catskill Aqueduct Repair and Rehabilitation Study Areas and Activities ....... 9.2-45 9.3 Screening Assessment and Impact Analysis Methodology ........................... 9.3-1 9.3.1 Definition of Study Areas ................................................................................... 9.3-3 9.3.2 Screening Assessment Approach ........................................................................ 9.3-6 9.3.3 Land Use, Zoning, and Public Policy ................................................................. 9.3-8 9.3.4 Socioeconomic Conditions ............................................................................... 9.3-55 9.3.5 Community Facilities and Services .................................................................. 9.3-56 9.3.6 Open Space and Recreation .............................................................................. 9.3-58 9.3.7 Historic and Cultural Resources ....................................................................... 9.3-60 9.3.8 Visual Resources ............................................................................................... 9.3-63 9.3.9 Natural Resources ............................................................................................. 9.3-70 9.3.10 Hazardous Materials