Duke Energy WSL III Units 1 & 2 COLA

William States Lee III Nuclear Station Environmental Report, Chapter 2 CHAPTER 2 ENVIRONMENTAL DESCRIPTION TABLE OF CONTENTS Section Title Page 2.0 ENVIRONMENTAL DESCRIPTION............................................................................ 2.0-1 2.1 STATION LOCATION ................................................................................................. 2.1-1 2.1.1 REFERENCES...................................................................................................... 2.1-1 2.2 LAND........................................................................................................................... 2.2-1 2.2.1 THE SITE AND VICINITY ..................................................................................... 2.2-1 2.2.1.1 The Site........................................................................................................... 2.2-1 2.2.1.2 The Vicinity...................................................................................................... 2.2-2 2.2.2 TRANSMISSION CORRIDORS AND OFF-SITE AREAS..................................... 2.2-5 2.2.3 THE REGION........................................................................................................ 2.2-5 2.2.4 REFERENCES...................................................................................................... 2.2-6 2.3 WATER ....................................................................................................................... 2.3-1 2.3.1 HYDROLOGY ....................................................................................................... 2.3-1 2.3.1.1 Surface Water ................................................................................................. 2.3-1 2.3.1.1.1 Streams........................................................................................................... 2.3-1 2.3.1.1.1.1 Upper Broad River Basin Watershed .................................................. 2.3-1 2.3.1.2 Freshwater Streams........................................................................................ 2.3-2 2.3.1.2.1 Broad River Description .................................................................................. 2.3-3 2.3.1.2.1.1 Bedforms ............................................................................................. 2.3-3 2.3.1.2.1.2 Sediment Transport ............................................................................. 2.3-4 2.3.1.2.1.3 Discharge Characteristics.................................................................... 2.3-5 2.3.1.2.2 Description of Major Tributaries ...................................................................... 2.3-6 2.3.1.2.2.1 First Broad River.................................................................................. 2.3-6 2.3.1.2.2.2 Second Broad River ............................................................................ 2.3-6 2.3.1.2.2.3 Green River ......................................................................................... 2.3-6 2.3.1.2.2.4 Buffalo Creek....................................................................................... 2.3-7 2.3.1.2.3 Local Tributaries.............................................................................................. 2.3-7 2.3.1.2.4 Wetlands ......................................................................................................... 2.3-7 2.3.1.3 Lakes and Impoundments............................................................................... 2.3-7 2.3.1.3.1 Ninety-Nine Islands Reservoir......................................................................... 2.3-8 2.3.1.3.1.1 Reservoir Characteristics .................................................................... 2.3-8 2.3.1.3.1.2 Morphology.......................................................................................... 2.3-9 2.3.1.3.1.3 Circulation and Mixing ....................................................................... 2.3-10 2.3.1.3.2 Surface Water Impoundments....................................................................... 2.3-10 2.3.1.3.2.1 Make-Up Pond B ............................................................................... 2.3-11 2.3.1.3.2.2 Make-Up Pond A ............................................................................... 2.3-11 2.3.1.3.2.3 Hold-Up Pond A................................................................................. 2.3-12 Revision: 1 2-i William States Lee III Nuclear Station Environmental Report, Chapter 2 TABLE OF CONTENTS (Continued) Section Title Page 2.3.1.3.3 Upstream Dams and Reservoirs ................................................................... 2.3-12 2.3.1.3.4 Downstream Dams and Reservoirs............................................................... 2.3-13 2.3.1.4 Estuaries and Ocean..................................................................................... 2.3-14 2.3.1.5 Groundwater.................................................................................................. 2.3-14 2.3.1.5.1 Physiographic Setting.................................................................................... 2.3-14 2.3.1.5.2 Regional and Local Geology ......................................................................... 2.3-15 2.3.1.5.3 Soil Properties............................................................................................... 2.3-16 2.3.1.5.4 Topography ................................................................................................... 2.3-17 2.3.1.5.5 Regional Hydrogeology ................................................................................. 2.3-17 2.3.1.5.6 Groundwater Occurrence and Usage............................................................ 2.3-18 2.3.1.5.7 Site Geohydrology......................................................................................... 2.3-19 2.3.1.5.8 Permeability................................................................................................... 2.3-21 2.3.1.5.9 Groundwater Movement................................................................................ 2.3-23 2.3.2 WATER USE....................................................................................................... 2.3-25 2.3.2.1 Surface Water ............................................................................................... 2.3-25 2.3.2.1.1 Surface Water Use........................................................................................ 2.3-26 2.3.2.1.2 Recreational and Navigational Use ............................................................... 2.3-26 2.3.2.1.3 On-Site Surface Water Use........................................................................... 2.3-27 2.3.2.1.4 Future Surface Water Use............................................................................. 2.3-27 2.3.2.2 Groundwater.................................................................................................. 2.3-28 2.3.2.2.1 Local Groundwater Use................................................................................. 2.3-28 2.3.2.2.2 On-Site Groundwater Use............................................................................. 2.3-29 2.3.3 WATER QUALITY............................................................................................... 2.3-29 2.3.3.1 Surface Water Quality ................................................................................... 2.3-29 2.3.3.1.1 Basinwide Water Quality ............................................................................... 2.3-29 2.3.3.1.2 Local Surface Water Quality.......................................................................... 2.3-32 2.3.3.2 Groundwater Quality ..................................................................................... 2.3-35 2.3.3.2.1 Regional Groundwater Quality ...................................................................... 2.3-35 2.3.3.2.2 Local Groundwater Quality............................................................................ 2.3-36 2.3.3.3 Factors Affecting Water Quality..................................................................... 2.3-36 2.3.3.3.1 NDPES Program ........................................................................................... 2.3-37 2.3.3.3.2 NSM Program................................................................................................ 2.3-37 2.3.3.3.3 Other Potential Pollution Sources ................................................................. 2.3-37 2.3.3.3.3.1 Dams and Reservoirs ........................................................................ 2.3-38 2.3.3.3.3.2 Power Plants ..................................................................................... 2.3-38 2.3.3.3.3.3 Pipelines ............................................................................................ 2.3-38 2.3.3.3.3.4 Hazardous Waste Generators ........................................................... 2.3-39 2.3.3.3.3.5 Toxic Release Inventory Sites ........................................................... 2.3-39 2.3.4 REFERENCES.................................................................................................... 2.3-39 2.4 ECOLOGY .................................................................................................................. 2.4-1 2.4.1 TERRESTRIAL ECOLOGY................................................................................... 2.4-2 2.4.1.1 Existing Cover Types .....................................................................................

Duke Energy WSL III Units 1 & 2 COLA

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