Ann Arbor Municipal Airport Ann Arbor, Michigan
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DRAFT Environmental Assessment for Ann Arbor Municipal Airport Ann Arbor, Michigan Prepared for: City of Ann Arbor Michigan Department of Transportation - Office of Aeronautics and Federal Aviation Administration Prepared by: SmithGroupJJR and Michigan Department of Transportation – Office of Aeronautics This Environmental Assessment becomes both a State and Federal document when evaluated, signed and dated by the responsible State (AERO) and Federal (FAA) officials. ________________________________________ ____________________ Responsible AERO Official (State Actions) Date of Approval ________________________________________ ____________________ Responsible FAA Official (Federal Actions) Date of Approval This Environmental Assessment describes the social, economic, and environmental impacts associated, or lack thereof, with the Preferred Alternative for implementing proposed improvements at the Ann Arbor Municipal Airport. The alternatives considered were: no development, use of other airports, construction of a new airport, and five different Runway 6/24 alternatives. Comments on this Environmental Assessment should be received within 30 days of the date of publication and should be sent to Mr. Steve Houtteman, Environmental Specialist, Project Support Unit, MDOT-Office of Aeronautics, 2700 Port Lansing Road, Lansing, Michigan 48906-2160. OCTOBER 2016 1 Ann Arbor Municipal Airport Environmental Assessment TABLE OF CONTENTS Section Topic..................................................................................................Page Number Title Page…………………………………………………………........................1 Table of Contents...................................................................................................2 List of Appendices…………………………………………………………..........4 List of Figures.........................................................................................................4 List of Tables…………………..............................................................................5 Section 1. Purpose and Need……………………………………………..............................6 1.1 Introduction………………………………………………………………..6 1.2 Setting………………………………………………………………..........7 1.3 Background………………………………………………………………..9 1.4 Purpose and Need………………………………………………………..12 1.5 Aircraft, Activity, Operations, & Forecasts……………………………...12 1.5.1 Critical Aircraft Determination………………………......12 1.5.2 Aircraft Activity……………………………………….....14 1.5.3 Aircraft Characteristics and Runway Recommendations..14 1.5.4 Airport Operations and Forecasts……………………......17 1.6 Sponsor’s Proposed Action…………………………………………........21 1.7 Requested Federal, State, & Local Actions…..............……………….....22 1.7.1 Federal Actions..................................................................23 1.7.2 State Actions......................................................................23 1.7.3 Local Actions.....................................................................23 1.8 Other Considerations…………………………………………………….23 1.8.1 Line of Sight Concern…………………………………...23 1.8.2 Approach Slope Concern…………………...…………....24 1.8.3 Runway Overrun Concern…………………………….....25 1.8.4 Enhancement of Commerce……………………………...25 1.9 Summary………………………………………………………………....26 Section 2. Description of Alternatives..................................................................................27 2.1 Alternatives Considered and Dismissed………………….……...............27 2.1.1 Use Other Airports……………………….………...…….27 2.1.2 Construct New Airport…………………………………...28 2.1.3 Extend Runway to the East………………………………28 2.1.4 150 foot Runway Shift Only……………………………..29 2.2 Alternatives Carried Forward…………………………………………....29 2.2.1 No Build Alternative……………………………………..29 2.2.2 Build Alternatives………………………………………..29 OCTOBER 2016 2 2.3 Alternatives Evaluation…………………………………………………..35 2.3.1 No Build Alternative……………………………………..35 2.3.2 Build Alternative 1……………………………………….36 2.3.3 Build Alternative 2…………………………………….....36 2.3.4 Build Alternative 3……………………………………….36 2.4 Preferred Alternative…………………………………………………......36 Section 3. Affected Environment and Environmental Consequences…………………..38 3.1 Noise Analysis…………………………………………………………...38 3.1.1 Methodology……………………………………………..38 3.1.2 Aircraft Noise Exposure…………………………………40 3.1.3 Reevaluation of Noise Exposure Analysis 2015................41 3.2 Land Use Impacts………………………………………………………..46 3.3 Induced Socioeconomic Impacts………………………………………...52 3.3.1 Community Displacement……………………………….52 3.3.2 Environmental Justice………………………………........52 3.3.3 Community Cohesion and Community Facilities………..53 3.3.4 Demographics....................................................................54 3.3.5 Economics………………………………………………..56 3.4 Air Quality……………………………………………………………….56 3.5 Water Quality………………………………………………………….....59 3.5.1 Surface Hydrology……………………………………….59 3.5.2 Geology, Groundwater, and Soils………………………..59 3.6 Section 4(f) Resources……………………………………………….......60 3.7 Cultural Resources – Archaeological, Architectural, & Historic……..…63 3.8 Biotic Communities…………………………………………………...…63 3.9 Threatened & Endangered Species…………………………………....…64 3.10 Wetlands…………………………………………………....……………65 3.11 Floodplains………………………………………………….....…………66 3.12 Farmland………………………………………………………........……66 3.13 Energy Supply & Natural Resources………………….....………………67 3.14 Light Emissions………………………………………….........…………68 3.15 Construction Impacts…………………………………….........…………68 3.16 Solid Waste Impacts……………………………………………..………68 3.17 Existing & Future Traffic Conditions……………………………...…….69 3.18 Hazardous Waste Sites……………………………………………...……69 Section 4. Environmental Mitigation......…………………………………….………………71 4.1 Summary…………………………………………………....……………71 4.2 Mitigation Measures…………………………………………..…………71 4.2.1 Threatened and Endangered Species………….…………71 4.2.1 Permits…………………………………………...………72 OCTOBER 2016 3 Section 5. Agency Coordination and Public Participation……………………….....………73 5.1 Agency Coordination…………………………………………….....……73 5.2 Public Participation………………………………………………………73 5.2.1 Citizen’s Advisory Committee…………………………..........…73 5.2.2 Public Hearing……………………………………………...……74 Section 6. List of Preparers…………………………………………………………..….....…75 Section 7. References and Sources…………………………………………………..…......…77 Section 8. Glossary.....................................................................................................................80 Appendices Appendix A. User Survey Reports/Airport Operations Records/Forecasts of Operations Appendix B. Noise Analysis Report Appendix C. Air Quality Analysis Report Appendix D. Early Agency Coordination Appendix E. Field Observation Report Appendix F. Audubon Society Bird Species Observed List Appendix G. Citizens Advisory Committee Coordination Appendix H. Additional Agency Correspondence Appendix I. Public Notices Appendix J. Agency Distribution & Comment Appendix K. Response to Comments List of Figures Figure 2.1 Location Map...........................................................................................................8 Figure 2.2 Airport Layout Plan...............................................................................................11 Figure 3.1 Existing Conditions................................................................................................31 Figure 3.2 Build Alternative 1 – Extend & Realign................................................................32 Figure 3.3 Build Alternative 2 – Extend West........................................................................33 Figure 3.4 Build Alternative 3 – Preferred Alternative...........................................................34 Figure 4.1 Noise Contour Map – Existing Conditions............................................................43 Figure 4.2 Noise Contour Map – No Build Alternative..........................................................44 Figure 4.3 Noise Contour Map – Preferred Alternative..........................................................45 Figure 4.4 Pittsfield Charter Township Existing Land Use....................................................48 Figure 4.5 Pittsfield Charter Township Zoning Map..............................................................49 Figure 4.6 City of Ann Arbor Zoning Map.............................................................................50 Figure 4.7 Pittsfield Charter Township Future Land Use.......................................................51 Figure 4.8 Existing Water Resources and Land Cover...........................................................62 OCTOBER 2016 4 List of Tables Table 1-1 Actual and Forecasted Total Operations at Ann Arbor Municipal Airport...........20 Table 2-1 Summary of Alternatives Carried Forward............................................................35 Table 3-1 Ann Arbor Area Population and Projections.........................................................54 Table 3-2 Summary of Demographic Data............................................................................55 OCTOBER 2016 5 Section 1. Purpose and Need 1.1 INTRODUCTION Note: The following information contains a large number of aviation related acronyms. A glossary with definitions is included in Section 8 of this document. Ann Arbor Municipal Airport (ARB) is a public-use, general aviation airport owned and operated by the City of Ann Arbor, Michigan. The airport is located in Pittsfield Charter Township, Washtenaw County, Michigan and consists of approximately 733 acres. ARB’s operating budget is through a City enterprise fund comprised solely of revenue generated by airport operations.