Vantage to Pomona FEIS Index 34 - Laserfiche WebLink

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Vantage to Pomona Heights Table of Contents 230 kV Transmission Line Project FEIS October 2016 PAGE iv CHAPTER 4 ENVIRONMENTAL CONSEQUENCES ................................................................. 4-1 4.1 INTRODUCTION ....................................................................................................................... 4-1 4.1.1 Impact Assessment and Mitigation Planning ................................................................................... 4-1 4.2 VEGETATION AND SPECIAL STATUS PLANT SPECIES ............................................................. 4-5 4.2.1 Methods and Impact Types .............................................................................................................. 4-5 4.2.2 Impact Levels (High, Moderate, Low, No Identifiable Impact) ...................................................... 4-8 4.2.3 Impacts Common to All Route Segments ........................................................................................ 4-8 4.2.4 Impacts Specific to Route Segments ............................................................................................. 4-16 4.2.5 Mitigation Measures and Residual Impacts ................................................................................... 4-40 4.2.6 Impact Summary by Alternative .................................................................................................... 4-43 4.3 WILDLIFE AND SPECIAL STATUS WILDLIFE SPECIES ........................................................... 4-53 4.3.1 Methods and Impact Types ............................................................................................................ 4-53 4.3.2 Impact Levels (High, Moderate, Low, No Identifiable Impact) .................................................... 4-58 4.3.3 Impacts Common to All Route Segments ...................................................................................... 4-58 4.3.4 Impacts Specific to Route Segments ............................................................................................. 4-79 4.3.5 Mitigation Measures And Residual Impacts ................................................................................ 4-118 4.3.6 Impact Summary By Alternative ................................................................................................. 4-119 4.4 LAND USE ........................................................................................................................... 4-127 4.4.1 Methods and Impact Types .......................................................................................................... 4-127 4.4.2 Impact Levels .............................................................................................................................. 4-128 4.4.3 Impacts Common to All Route Segments and Design Options ................................................... 4-129 4.4.4 Impacts Specific to Route Segments and Design Options ........................................................... 4-130 4.4.5 Mitigation Measures .................................................................................................................... 4-145 4.4.6 Impact Summary by Alternative .................................................................................................. 4-146 4.5 RECREATION ....................................................................................................................... 4-149 4.5.1 Methods and Impact Types .......................................................................................................... 4-149 4.5.2 Impact Levels (High, Moderate, Low, No Identifiable Impact) .................................................. 4-150 4.5.3 Impacts Common to All Route Segments and Design Options ................................................... 4-150 4.5.4 Impacts Specific to Route Segments and Design Options ........................................................... 4-151 4.5.5 Mitigation Measures .................................................................................................................... 4-155 4.5.6 Residual Impacts.......................................................................................................................... 4-155 4.5.7 Impact Summary by Alternative .................................................................................................. 4-156 4.6 SPECIAL MANAGEMENT AREAS ......................................................................................... 4-159 4.6.1 Methods and Impact Types .......................................................................................................... 4-159 4.6.2 Impact Levels (High, Moderate, Low, No Identifiable Impact) .................................................. 4-160 4.6.3 Impacts Commo n to All Route Segments and Design Options ................................................... 4-160 4.6.4 Impacts Specific to Route Segments and Design Options ........................................................... 4-160 4.6.5 Mitigation Measures .................................................................................................................... 4-163 4.6.6 Residual Impacts.......................................................................................................................... 4-163 4.6.7 Impact Summary by Alternative .................................................................................................. 4-163 4.7 TRANSPORTATION .............................................................................................................. 4-165 4.7.1 Methods and Impact Types .......................................................................................................... 4-165 4.7.2 Impact Levels .............................................................................................................................. 4-166 4.7.3 Impacts Common to All Route Segments and Design Options ................................................... 4-167 4.7.4 Impacts Specific to Route Segments and Design Options ........................................................... 4-170 4.7.5 Mitigation Measures .................................................................................................................... 4-182 4.7.6 Residual Impacts.......................................................................................................................... 4-182 4.7.7 Impact Summary By Alternative ................................................................................................. 4-182