20170707-4008 FERC PDF (Unofficial) 07/07/2017 BIOLOGICAL ASSESSMENT FOR MOUNTAIN VALLEY PIPELINE, LLC MOUNTAIN VALLEY PIPELINE PROJECT FERC DOCKET NO. CP16-10-000 20170707-4008 FERC PDF (Unofficial) 07/07/2017 This page intentionally left blank. 20170707-4008 FERC PDF (Unofficial) 07/07/2017 TABLE OF CONTENTS 1.0 Executive Summary ....................................................................................................... 1-1 2.0 Introduction .................................................................................................................... 2-1 2.1 ESA Species of Concern .................................................................................... 2-2 2.2 Consultation History .......................................................................................... 2-4 3.0 Description of the Proposed Action .............................................................................. 3-1 3.1 Construction ....................................................................................................... 3-1 3.1.1 Pipeline .................................................................................................... 3-1 3.1.2 Aboveground Facilities ............................................................................ 3-3 3.1.3 Yards ........................................................................................................ 3-8 3.1.4 Access Roads ........................................................................................... 3-8 3.1.5 Additional Temporary Workspaces ....................................................... 3-10 3.1.6 Hydrostatic Pressure Testing ................................................................. 3-10 3.2 Operations and Maintenance .......................................................................... 3-13 3.2.1 Pipeline and Right-of-Way .................................................................... 3-13 3.2.2 Aboveground Facilities .......................................................................... 3-13 3.2.3 Land Requirements ................................................................................ 3-14 4.0 Action Area ..................................................................................................................... 4-1 4.1 Project Action Area ........................................................................................... 4-1 4.1.1 Light Pollution ......................................................................................... 4-1 4.1.2 Noise Pollution......................................................................................... 4-4 4.1.3 Water Quality Degradation ...................................................................... 4-9 4.1.4 Dust Pollution ........................................................................................ 4-11 4.1.5 Summary of Action Area ....................................................................... 4-12 4.2 Habitat in the Action Area .............................................................................. 4-13 4.2.1 Physical Geography ............................................................................... 4-13 4.2.2 Land Cover Types .................................................................................. 4-13 5.0 Mitigation Measures ...................................................................................................... 5-1 5.1 Wetlands and Waterbodies ............................................................................... 5-1 5.2 Federally Listed Terrestrial Species ................................................................. 5-3 5.2.1 Bats .......................................................................................................... 5-3 5.2.2 Rusty Patched Bumble Bee ...................................................................... 5-5 5.3 Federally Listed Plants ...................................................................................... 5-6 5.4 Federally Listed Aquatic Species ...................................................................... 5-6 5.5 FERC Requirements .......................................................................................... 5-9 6.0 Studies Completed in Support of the Biological Assessement ................................... 6-1 6.1 Bats ...................................................................................................................... 6-1 6.1.1 Mist-Net Surveys ..................................................................................... 6-1 6.1.2 Telemetry Surveys and Emergence Counts ............................................. 6-1 6.1.3 Hibernacula Searches and Harp Trapping Surveys ................................. 6-2 6.1.4 Habitat Assessment Surveys .................................................................... 6-2 i Table of Contents 20170707-4008 FERC PDF (Unofficial) 07/07/2017 6.2 Roanoke Logperch ............................................................................................. 6-2 6.2.1 Stream Habitat Assessments .................................................................... 6-2 6.3 Freshwater Mussels ........................................................................................... 6-3 6.3.1 West Virginia ........................................................................................... 6-3 6.3.2 Virginia .................................................................................................... 6-3 6.4 Plants ................................................................................................................... 6-3 7.0 Target Species wtihin the Action Area......................................................................... 7-1 7.1 Indiana Bat ......................................................................................................... 7-1 7.1.1 Distribution .............................................................................................. 7-1 7.1.2 Habitat ...................................................................................................... 7-3 7.2 Northern Long-Eared Bat ............................................................................... 7-12 7.2.1 Distribution ............................................................................................ 7-12 7.2.2 Habitat .................................................................................................... 7-14 7.3 Gray Bat ............................................................................................................ 7-17 7.3.1 Distribution ............................................................................................ 7-17 7.3.2 Habitat .................................................................................................... 7-19 7.4 Virginia Big-Eared Bat .................................................................................... 7-20 7.4.1 Distribution ............................................................................................ 7-20 7.4.2 Habitat .................................................................................................... 7-22 7.4.3 Summer Occurrence ............................................................................... 7-22 7.5 Roanoke Logperch ........................................................................................... 7-23 7.5.1 Distribution ............................................................................................ 7-23 7.5.2 Habitat .................................................................................................... 7-25 7.5.3 Habitat Assessment Results ................................................................... 7-25 7.5.4 Occurrence Modeling ............................................................................. 7-28 7.6 James Spinymussel........................................................................................... 7-30 7.6.1 Distribution ............................................................................................ 7-31 7.6.2 Habitat .................................................................................................... 7-31 7.6.3 Occurrence ............................................................................................. 7-31 7.7 Clubshell ........................................................................................................... 7-33 7.7.1 Distribution ............................................................................................ 7-33 7.7.2 Habitat .................................................................................................... 7-35 7.7.3 Occurrence ............................................................................................. 7-35 7.8 Snuffbox ............................................................................................................ 7-36 7.8.1 Distribution ............................................................................................ 7-37 7.8.2 Habitat .................................................................................................... 7-37 7.8.3 Occurrence ............................................................................................. 7-37 7.9 Rusty Patched Bumble Bee ............................................................................. 7-40 7.9.1 Distribution ............................................................................................ 7-40 7.9.2 Habitat ...................................................................................................