DRAFT ENVIRONMENTAL ASSESSMENT FOR AIRFIELD IMPROVEMENTS AT BAY BRIDGE AIRPORT STEVENSVILLE, MARYLAND PREPARED FOR: QUEEN ANNE’S COUNTY PREPARED BY: AECOM TECHNICAL SERVICES, INC. 4 NORTH PARK DRIVE, SUITE 300 HUNT VALLEY, MD 21030 June 2020 DRAFT ENVIRONMENTAL ASSESSMENT FOR AIRFIELD IMPROVEMENTS AT BAY BRIDGE AIRPORT STEVENSVILLE, MARYLAND PREPARED FOR: QUEEN ANNE’S COUNTY This Environmental Assessment becomes a Federal document when evaluated and signed by the responsible Federal Aviation Administration official. Responsible Federal Aviation Administration Official Date Federal Aviation Administration – Washington Airports District Office PREPARED BY: AECOM TECHNICAL SERVICES, INC. 4 NORTH PARK DRIVE, SUITE 300 HUNT VALLEY, MD 21030 Table of Contents TABLE OF CONTENTS Section No. Page 1.0 INTRODUCTION AND PROPOSED ACTION .............................................................................................1-1 1.1 Introduction...................................................................................................................................................1-1 1.2 Bay Bridge Airport ........................................................................................................................................1-1 1.3 Description of Proposed Action ....................................................................................................................1-2 1.4 Requested Federal Action ............................................................................................................................1-3 1.5 Timeframe of the Proposed Projects ............................................................................................................1-2 2.0 PURPOSE AND NEED ................................................................................................................................2-1 2.1 Introduction ..............................................................................................................................................2-1 2.2 Purpose and Need........................................................................................................................................2-1 2.2.1 Maintain the Function, Safety, and Utility of Runway 11-29 and South Apron by Rehabilitating the Pavement.............................................................................................................2-1 2.2.2 Adhere to FAA and MAA Design Standards by Reconfiguring the South Apron..............................2-2 2.2.3 Adhere to FAA Design Standards by Demolishing Aligned Taxiway and Reestablishment Of Connector Taxiways....................................................................................................................2-3 2.2.4 Provide Safe Standing Space for Aircraft Awaiting Takeoff..............................................................2-3 3.0 ALTERNATIVES ..........................................................................................................................................3-1 3.1 Introduction ..............................................................................................................................................3-1 3.2 Rehabilitation of Runway 11-29....................................................................................................................3-1 3.3 Demolition of Aligned Taxiway and Reestablishment of Connector Taxiways..............................................3-2 3.4 Rehabilitation of the South Apron.................................................................................................................3-2 3.5 Reconfiguration and Expansion of the South Apron.....................................................................................3-2 3.6 Construction of a Hold Pad...........................................................................................................................3-3 4.0 AFFECTED ENVIRONMENT.......................................................................................................................4-1 4.1 Introduction...................................................................................................................................................4-1 4.1.1 Resources Not Impacted ..............................................................................................................................4-1 4.2 Air Quality ..............................................................................................................................................4-3 4.2.1 Air Quality Monitoring Data...............................................................................................................4-3 4.2.2 Existing Conditions Air Emissions Inventory ....................................................................................4-5 4.3 Biological Resources....................................................................................................................................4-5 4.4 Climate ..............................................................................................................................................4-6 4.5 Hazardous Materials, Solid Waste, and Pollution Prevention.......................................................................4-7 4.6 Land Use ....................................................................................................................................................4-10 4.7 Natural Resources and Energy Supply ......................................................................................................4-10 4.8 Noise and Noise Compatible Land Use......................................................................................................4-10 4.8.1 Aircraft Noise Descriptors and Effects............................................................................................4-11 4.8.2 Existing Condition Aircraft Noise Exposure and Land Use Compatibility .......................................4-11 4.9 Socioeconomic, Environmental Justice, and Children’sEnvironmental Health and Safety Risk ...............4-12 4.9.1 Population ......................................................................................................................................4-12 4.9.2 Age, Race, and Ethnicity................................................................................................................4-12 4.9.3 Housing Characteristics .................................................................................................................4-13 4.9.4 Economy and Employment.............................................................................................................4-14 4.9.5 Environmental Justice ....................................................................................................................4-14 4.10 Visual Effects..............................................................................................................................................4-16 4.11 Water Resources........................................................................................................................................4-16 4.11.1 Wetlands ........................................................................................................................................4-16 4.11.2 Floodplains.....................................................................................................................................4-17 4.11.3 Surface Waters...............................................................................................................................4-17 4.11.4 Groundwater...................................................................................................................................4-17 Draft Environmental Assessment Table of Contents Bay Bridge Airport June 2020 TOC-1 5.0 ENVIRONMENTAL CONSEQUENCES.......................................................................................................5-1 5.1 Introduction...................................................................................................................................................5-1 5.2 Air Quality.....................................................................................................................................................5-1 5.2.1 Proposed Action...............................................................................................................................5-1 5.2.2 No Action..........................................................................................................................................5-4 5.2.3 Mitigation..........................................................................................................................................5-4 5.3 Biological Resources....................................................................................................................................5-5 5.3.1 Proposed Action...............................................................................................................................5-5 5.3.2 No Action..........................................................................................................................................5-6 5.3.3 Mitigation..........................................................................................................................................5-6 5.4 Climate .........................................................................................................................................................5-6