Mountain Valley Pipeline Project Individual Permit Application Prepared for: Mountain Valley Pipeline, LLC 2200 Energy Drive, Canonsburg, Pennsylvania 15317 Prepared by: Tetra Tech, Inc. 661 Andersen Drive, Pittsburgh, Pennsylvania 15220 Submitted to: United States Army Corps of Engineers – Pittsburgh District 1000 Liberty Avenue, Suite 2200, Pittsburgh, PA 15222 United States Army Corps of Engineers – Huntington District 502 Eighth Street, Huntington, WV 25701-2070 United States Army Corps of Engineers – Norfolk District 803 Front Street, Norfolk, VA 23510-1011 Virginia Department of Environmental Quality 1111 E Main Street, Richmond, VA 23219 Virginia Marine Resources Commission 380 Frenwick Road, Fort Monroe, VA 23651 February 2021 Mountain Valley Pipeline Project USACE Individual Permit Application February 2021 TABLE OF CONTENTS Section Page PROJECT INFORMATION .............................................................................................................. 1 Preliminary Jurisdictional Determination and USACE Individual Permit Application Forms ............................................................................................................................. 1 Project Description and History ..................................................................................... 1 General Construction Information .................................................................................. 3 1.3.1 Pipeline Construction Description .......................................................................... 3 1.3.2 Access Road Construction Description .................................................................. 4 Project Location ............................................................................................................. 4 Watersheds and Hydrologic Unit Codes ........................................................................ 4 Property Owners ............................................................................................................ 4 Request for Expedited Consideration ............................................................................ 4 Directions to Site ............................................................................................................ 5 Project Authorizations .................................................................................................... 6 1.9.1 Authorizations and Approvals ................................................................................. 6 1.9.2 Clean Water Act § 401 Water Quality Certification ................................................ 6 1.9.3 National Historic Preservation Act § 106 Consultation .......................................... 6 1.9.4 Endangered Species Act § 7 Consultation ............................................................. 7 1.9.5 Inapplicable Authorizations and Approvals ............................................................ 8 Project Schedule ............................................................................................................ 8 PROJECT PURPOSE AND NEED ................................................................................................ 10 Basic Project Purpose ................................................................................................. 10 Overall Project Purpose ............................................................................................... 10 Overall Project Need .................................................................................................... 10 ALTERNATIVES ANALYSIS ......................................................................................................... 11 FERC’s Environmental Impact Statement ................................................................... 11 Alternatives Analysis .................................................................................................... 13 3.2.1 No Action (No Build) Alternative ........................................................................... 14 3.2.2 No Action (No Permit) Alternative ........................................................................ 14 3.2.3 Natural Gas Transportation Method Alternatives Analysis .................................. 16 3.2.4 System Alternatives .............................................................................................. 19 3.2.5 Route Alternatives ................................................................................................ 21 3.2.6 Route Alternatives Considered Not Practicable ................................................... 23 AFFECTED ENVIRONMENT AND ENVIRONMENTAL REVIEW FACTORS .............................. 33 Proposed Aquatic Impacts ........................................................................................... 33 4.1.1 Jurisdictional Impacts ........................................................................................... 33 4.1.2 Section 10 Waters ................................................................................................ 33 4.1.3 Wetland Delineation and Stream Identification .................................................... 34 4.1.4 Water Withdrawals ............................................................................................... 35 Sensitive Stream Resources ....................................................................................... 35 4.2.1 National Wild and Scenic Rivers .......................................................................... 35 4.2.2 WV Natural Streams Preservation Act ................................................................. 35 4.2.3 Tier 3 Protection ................................................................................................... 35 4.2.4 Trout Waters ......................................................................................................... 35 4.2.5 Warm Water Fishery ............................................................................................ 36 4.2.6 Anadromous Fish Use Areas ............................................................................... 36 4.2.7 Aquatic Life Movements ....................................................................................... 36 4.2.8 Spawning Areas ................................................................................................... 36 4.2.9 Submerged Aquatic Vegetation............................................................................ 36 Tetra Tech Page i Mountain Valley Pipeline Project USACE Individual Permit Application February 2021 4.2.10 Freshwater Mussels ............................................................................................. 37 4.2.11 Designated Critical Resource Waters .................................................................. 37 404(b)(1) Guidelines Technical Evaluation Factors ..................................................... 37 4.3.1 Substrate (§ 230.20) ............................................................................................. 37 4.3.2 Suspended Particles/Turbidity (§ 230.21) ............................................................ 37 4.3.3 Water (§ 230.22) .................................................................................................. 37 4.3.4 Current Patterns and Water Circulation (§ 230.23) .............................................. 38 4.3.5 Normal Water Fluctuations (§ 230.24) ................................................................. 38 4.3.6 Salinity Gradients (§ 230.25) ................................................................................ 38 4.3.7 Threatened and Endangered Species § (230.30) ................................................ 38 4.3.8 Fish, Crustaceans, Mollusks, and Other Aquatic Organisms in Food Web (§ 230.31) 38 4.3.9 Other Wildlife (§ 230.32) ...................................................................................... 38 4.3.10 Sanctuaries and Refuges (§ 230.40) ................................................................... 38 4.3.11 Wetlands (§ 230.41) ............................................................................................. 39 4.3.12 Mud Flats (§ 230.42) ............................................................................................ 39 4.3.13 Vegetated Shallows (§ 230.43) ............................................................................ 39 4.3.14 Riffle and Pool Complexes (§ 230.45) ................................................................. 39 4.3.15 Municipal and Private Water Supplies (§ 230.50) ................................................ 39 4.3.16 Recreational and Commercial Fisheries (§ 230.51) ............................................. 39 4.3.17 Water-Related Recreation (§ 230.52) .................................................................. 40 4.3.18 Aesthetics (§ 230.53) ........................................................................................... 40 4.3.19 Parks, National and Historical Monuments, National Seashores, Wilderness Areas, Research Sites and Similar Preserves (§ 230.54) ................................................ 40 4.3.20 General Evaluation of Dredged or Fill Material (§§ 230.60, 230.61) .................... 40 4.3.21 Actions concerning the location of the discharge (§ 230.70) ............................... 40 4.3.22 Actions concerning the material to be discharged (§ 230.71) .............................. 40 4.3.23 Actions controlling the material after discharge (§ 230.72) .................................