City of Los Angeles Elysian Park Water Recycling Project Phase 1
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ENVIRONMENTAL ASSESSMENT for the City of Los Angeles Elysian Park Water Recycling Project Phase 1 U.S. Environmental Protection Agency Region 9 75 Hawthorne Street San Francisco, California 94105 April 2014 Page intentionally left blank Environmental Assessment Elysian Park Water Recycling Project Los Angeles County TABLE OF CONTENTS Section 1 Purpose and Need for Action ........................................................ 1-1 1.1 Introduction ........................................................................... 1-1 1.2 Legal Framework .................................................................. 1-3 1.3 Project Location .................................................................... 1-3 1.4 Purpose and Need for Proposed Action ................................ 1-3 1.5 Scope of Environmental Information Document .................... 1-4 Section 2 Description of the Proposed Action and Alternatives ................. 2-1 2.1 Alternatives Evaluated .......................................................... 2-1 2.2 Alternative 1: (Preferred Alternative) Recycled and Potable Water Pipelines, Pumping Stations, and Tanks ........ 2-1 2.3 Alternative 2: HDD Alternative .............................................. 2-3 2.4 Alternative 3: No Action Alternative ....................................... 2-4 2.5 Identification of the Preferred Alternative .............................. 2-4 2.6 Alternatives Considered and Eliminated ............................... 2-4 Section 3 Affected Environment .................................................................... 3-1 3.1 Air Quality ............................................................................. 3-1 3.2 Noise .................................................................................... 3-3 3.3 Odor ..................................................................................... 3-3 3.4 Water Resources .................................................................. 3-3 3.5 Wetlands............................................................................... 3-4 3.6 Floodplains ........................................................................... 3-4 3.7 Public Health and Safety ....................................................... 3-4 3.8 Surface Resources ............................................................... 3-5 3.9 Vegetation and Wildlife ......................................................... 3-6 3.10 Threatened and Endangered Species ................................... 3-8 3.11 Cultural Resources and Historic Property ............................. 3-8 3.12 Land Use and Infrastructure.................................................. 3-9 3.13 Aesthetics ........................................................................... 3-10 3.14 Socioeconomics.................................................................. 3-10 3.15 Waste Management ............................................................ 3-11 3.16 Transportation .................................................................... 3-11 3.17 Energy ................................................................................ 3-11 3.18 Environmental Justice and Protection of Children ............... 3-11 Section 4 Environmental Consequences ...................................................... 4-1 4.1 Air Quality ............................................................................. 4-1 4.2 Noise .................................................................................... 4-2 4.3 Odor ..................................................................................... 4-8 4.4 Water Resources .................................................................. 4-8 4.5 Wetlands............................................................................. 4-10 4.6 Floodplains ......................................................................... 4-10 4.7 Public Health and Safety ..................................................... 4-11 4.8 Surface Resources ............................................................. 4-12 4.9 Vegetation and Wildlife ....................................................... 4-14 4.10 Threatened and Endangered Species ................................. 4-15 April 2014 Page i Table of Contents 4.11 Cultural Resources and Historic Property ............................ 4-16 4.12 Land Use and Infrastructure ................................................ 4-19 4.13 Aesthetics ............................................................................ 4-20 4.14 Socioeconomics .................................................................. 4-22 4.15 Waste Management ............................................................ 4-22 4.16 Transportation ..................................................................... 4-24 4.17 Energy ................................................................................. 4-26 4.18 Environmental Justice and Protection of Children ................ 4-26 4.19 Cumulative Impacts ............................................................. 4-27 4.20 Selection of the Preferred Alternative .................................. 4-27 4.21 Unavoidable Adverse Impacts ............................................. 4-34 4.22 Relationship of Short-Term and Long-Term Productivity ...... 4-34 4.23 Irreversible and Irretrievable Commitments ......................... 4-34 4.24 Conclusion........................................................................... 4-35 Section 5 References.......................................................................................5-1 Section 6 List of Preparers .............................................................................6-1 List of Figures Figure 1 Regional Location Map .....................................................................1-5 Figure 2 Proposed Action ................................................................................1-6 List of Tables Table 3-1 National Ambient Air Quality Standards and Attainment Status for the South Coast Air Basin ...............................3-1 Table 3-2 Federal De Minimis Levels ................................................................3-2 Table 3-3 Existing Noise Levels ........................................................................3-3 Table 3-4 Minority Population Statistics for Los Angeles County and the State of California ................................................... 3-12 Table 4-1 Annual Construction Emissions for General Conformity - Proposed Action.............................................................................4-1 Table 4-2 Annual Greenhouse Gas Emissions – Proposed Action ....................4-2 Table 4-3 Annual Construction Emissions for General Conformity - HDD Alternative ................................................................................4-2 Table 4-4 Annual Greenhouse Gas Emissions – HDD Alternative ....................4-3 Table 4-5 Summary of Impacts for Evaluated Resources ................................ 4-28 TECHNICAL APPENDICES Appendix A Biological Reconnaissance Survey Report Appendix B Cultural Resources Assessment Appendix C Air Quality Report Appendix D Traffic Report Page ii Environmental Assessment Elysian Park Water Recycling Project Los Angeles County April 2014 Page iii Table of Contents Acronyms and Abbreviations AFY acre-feet per year APE Area of Potential Effect AQMP Air Quality Management Plan CAA Clean Air Act Caltrans California Department of Transportation CDFG California Department of Fish and Game CH4 methane CHL California Historic Landmark CO carbon monoxide CO2 carbon dioxide CO2e carbon dioxide equivalent DBA a-weighted decibel DTSC Department of Toxic Substances Control EID Environmental Information Document EIR Environmental Impact Report EO Executive Order GHG greenhouse gas emissions GPM gallons per minute I-5 Interstate 5, Golden State Freeway I-10 Interstate 10, Santa Monica Freeway IS/MND Initial Study/Mitigated Negative Declaration LAA Los Angeles Aqueduct LADOT Los Angeles Department of Transportation LADWP Los Angeles Department of Water and Power LAHCM Los Angeles Historic-Cultural Monument LARAP City of Los Angeles Department of Recreation and Parks Leq community noise equivalent level MOU memorandum of understanding MG million gallons MWD Metropolitan Water District N2O nitrous oxide NAHC Native American Heritage Commission NO2 nitrogen dioxide NOx nitrogen oxide NAAQS National Ambient Air Quality Standards NEPA National Environmental Policy Act O3 ozone Pb lead PM2.5 particulate matter less than 2.5 microns in diameter PM10 particulate matter 10 microns in diameter or less SCAG Southern California Association of Governments SCAQMD South Coast Air Quality Management District SO2 sulfur dioxide SOx sulfur oxide SR 110 State Route 110, Pasadena Freeway SWPPP Storm Water Pollution Prevention Plan TMP Traffic Management Plan Page iv Environmental Assessment Elysian Park Water Recycling Project Los Angeles County US 101 U.S. Highway 101, Hollywood Freeway USACE United States Army Corps of Engineers USEPA United States Environmental Protection Agency USFWS U.S. Fish and Wildlife Service VOC volatile organic compound WRP water recycling project April 2014 Page v Environmental Information Document for Elysian Park Water Recycling Project Los Angeles County SECTION 1 PURPOSE AND NEED FOR ACTION 1.1 Introduction The City of Los Angeles (City) relies on four sources of water to meet its water needs: (1) snow-melt runoff from the Eastern Sierra conveyed by the Los Angeles Aqueduct