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Enterprise Park to Crooked Lake 115 kV Transmission Line March 2012 <br />Environmental Assessment <br />Table of Contents <br />Abstract iii <br />1. Introduction 3 <br />2. Regulatory Framework 6 <br />2.1. Alternative Permitting Process 6 <br />2.2. Certificate of Need 6 <br />2.3. Route Permit Application 6 <br />2.4. Public Information and Scoping Meeting 6 <br />2.5. Environmental Assessment 7 <br />3. Proposed Project 8 <br />3.1. Purpose of the Project 8 <br />3.2. Project Location 8 <br />3.3. Alternative Route 11 <br />3.4. Substation Modifications 11 <br />3.5. Route Width and Rights -of -Way Requirements 11 <br />3.6. Project Costs 12 <br />4. Facility Construction 13 <br />4.1. Property/Right-of-Way Acquisition 14 <br />4.2. Transmission Line Structures 17 <br />4.3. Transmission Line Conductors 18 <br />4.4. Cleanup and Restoration 18 <br />4.5. Damage Compensation 20 <br />4.6. Maintenance 20 <br />4.7. Undergrounding Transmission Line Facilities 20 <br />5. Affected Environment, Impacts, and Mitigation 22 <br />5.1. Human Settlement 22 <br />5.1.1. Proximity to Residential Structures 22 <br />5.1.2. Aesthetics 24 <br />5.1.3. Noise 25 <br />5.1.4. Interference with Utility Systems and Public Services 28 <br />5.1.5. Archaeological and Historic Resources 31 <br />5.1.6. Safety and Health 32 <br />5.2. Environmental Setting 41 <br />5.2.1. Air Quality 42 <br />5.2.2. Soils and Geology 43 <br />5.2.3. Water Resources 44 <br />5.2.4. Flora 48 <br />5.2.5. Fauna 49 <br />5.2.6. Rare and Unique Natural Resources/Critical Habitat 51 <br />5.3. Socioeconomics 52 <br />5.3.1. Socioeconomic Setting 52 <br />5.3.2. Property Values 54 <br />iii <br />