Executive Summary................................................................................... ES-1

A.      Introduction

          A.1      Purpose and Authority............................................................................ A-1

          A.2      CPUC Regulatory Authority .................................................................... A-1

          A.3      Lead and Responsible Agencies................................................................ A-2

          A.4      Project Background............................................................................... A-2

          A.5      Overview of the EIR Process................................................................... A-6

          A.6      CPUC Application Process ..................................................................... A-8

          A.7      Public Participation ............................................................................. A-10

          A.8      Focus of Analysis................................................................................ A-11

          A.9      EIR Content and Organization................................................................. A-12

B.      Project Description

B.1      Introduction......................................................................................... B-1

B.2      Project Overview................................................................................. B-1

B.3      Project Location................................................................................... B-2

B.4      Project Applicant.................................................................................. B-2

B.5      Project Objectives................................................................................. B-5

B.6      Project Components............................................................................... B-6

            B.6.1    Domestic Water Transmission Line.................................................. B-6

            B.6.2    On-site Water Facilities............................................................... B-16

            B.6.3    Wastewater Collection Facilities.................................................... B-20

B.7      Project Construction............................................................................. B-24

         B.7.1    Domestic Water Transmission Line................................................. B-24

         B.7.2    On-site Water Facilities............................................................... B-33

         B.7.3    Wastewater Collection Facilities.................................................... B-36

B.8      Operation and Maintenance.................................................................... B-36

         B.8.1    Domestic Water Transmission Line................................................. B-36

         B.8.2    On-site Water Facilities............................................................... B-36

            B.8.3    Wastewater Collection Facilities.................................................... B-37

B.9      Intended Uses of the EIR and Anticipated Agency Actions................................ B-37

B.10     References........................................................................................ B-38

C.      Environmental Impact Analysis....................................................... C-1

                      C.1      Air Quality....................................................................................... C.1-1

                     C.1.1     Environmental Baseline and Regulatory Setting................................. C.1-1

                     C.1.2     Environmental Impacts and Mitigation Measures............................... C.1-8

                     C.1.3     References.......................................................................... C.1-14

          C.2      Noise............................................................................................. C.2-1

                     C.2.1     Environmental Baseline and Regulatory Setting................................. C.2-1

                     C.2.2     Environmental Impacts and Mitigation Measures............................... C.2-9

                     C.2.3     References.......................................................................... C.2-13

          C.3      Traffic and Circulation......................................................................... C.3-1

                     C.3.1     Environmental Baseline and Regulatory Setting................................. C.3-1

                     C.3.2     Environmental Impacts and Mitigation Measures............................. C.3-10

         C.4       Environmental Contamination................................................................. C.4-1

                     C.4.1     Environmental Baseline and Regulatory Setting................................. C.4-1

                     C.4.2     Environmental Impacts and Mitigation Measures............................... C.4-7

                     C.4.3     References.......................................................................... C.4-11

          C.5      Geology and Soils............................................................................... C.5-1

                     C.5.1     Environmental Baseline and Regulatory Setting................................. C.5-1

                     C.5.2     Environmental Impacts and Mitigation Measures............................... C.5-9

                     C.5.3     References.......................................................................... C.5-13

          C.6      Hydrology and Water Quality................................................................. C.6-1

                     C.6.1     Environmental Baseline and Regulatory Setting................................. C.6-1

                      C.6.2     Environmental Impacts and Mitigation Measures............................. C.6-13

                     C.6.3     References.......................................................................... C.6-19

          C.7      Cultural Resources............................................................................. C.7-1

                     C.7.1     Environmental Baseline and Regulatory Setting................................. C.7-1

                     C.7.2     Environmental Impacts and Mitigation Measures............................. C.7-13

                     C.7.3     Bibliography......................................................................... C.7-17

          C.8      Biological Resources........................................................................... C.8-1

                     C.8.1     Environmental Baseline and Regulatory Setting................................. C.8-1

                     C.8.2     Environmental Impacts and Mitigation Measures............................... C.8-6

                     C.8.3     References............................................................................ C.8-9

          C.9      Land Use and Recreation...................................................................... C.9-1

                     C.9.1    Environmental Baseline and Regulatory Setting.................................. C.9-1

                     C.9.2    Environmental Impacts and Mitigation Measures.............................. C.9-14

                     C.9.3    References............................................................................ C.9-17

          C.10    Public Services and Utilities................................................................. C.10-1

                     C.10.1   Environmental Baseline and Regulatory Setting................................ C.10-1

                     C.10.2   Environmental Impacts and Mitigation Measures............................ C.10-12

                     C.10.3   References......................................................................... C.10-18

D.     Alternatives Description and Comparison

         D.1      Alternatives Process Overview ................................................................ D-1

         D.2      Alternatives Selected For Comparative Evaluation ........................................ D-10

         D.3      No Project Alternative ......................................................................... D-14

         D.4      Comparative Impact Analysis of Alternatives .............................................. D-15

         D.5      Conclusion ....................................................................................... D-42

         D.6      References ....................................................................................... D-42

E.      Effects of Water Distribution and Wastewater Collection Facilities    E-1

F.      Other CEQA Considerations................................................................ F-1

G.     List of Preparers................................................................................. G-1

H.     Persons and Organizations Consulted............................................ H-1

Appendices

Appendix 1:    Pipeline Route Segment Maps

Appendix 2:    Notice of Preparation (NOP) and Initial Study

        Appendix 3:    Scoping Meeting Notices

        Appendix 4:    Air Quality Calculations

        Appendix 5:    Storm and Dry Weather Monitoring: Huntington Watershed and Huntington

                              Harbour .

List of Tables

ES-1        Summary of Project Components ................................................................. ES-3

ES-2        Summary of Impacts and Mitigation Measures ................................................. ES-9

B.6-1       Detailed Route Description.......................................................................... B-10

B.7-1       Pipeline Construction Schedule..................................................................... B-26

B.7-2       Equipment Inventory................................................................................. B-27

B.7-3       Pipe Jacking Locations............................................................................... B-33

B.9-1       Required Permits and Approvals .................................................................. B-37

C.1-1       Monthly Temperatures and Precipitation........................................................ C.1-1

C.1-2       National and California Ambient Air Quality Standards....................................... C.1-4

C.1-3       Summary of Health Effects of the Major Criteria Pollutants................................. C.1-5

C.1-4       Attainment Status of South Coast Air Basin..................................................... C.1-5

C.1-5       Air Quality Summary............................................................................... C.1-6

C.1-6       SCAQMD Threshold of Significance for Construction Emission............................ C.1-9

C.1-7       SCAQMD Thresholds of Significance for Operational Emissions........................... C.1-9

C.1-8       Applicant Proposed Measures for Air Quality................................................ C.1-10

C.1-9       Estimated Maximum Daily Pipeline Construction Emissions............................... C.1-11

C.1-10     Estimated Quarterly Pipeline Construction Emissions........................................ C.1-11

C.1-11     Impact and Mitigation Summary – Air Quality................................................ C.1-14

C.2-1       Typical Sound Levels Measured in the Environment and Industry........................... C.2-1

C.2-2       Measured Ambient Noise Levels Along the Proposed Pipeline Route...................... C.2-4

C.2-3       Sensitive Receptors Along the Proposed Pipeline Route....................................... C.2-6

C.2-4       Summary of Noise Levels Identified as Requisite to Protect

               Public Health and Welfare With an Adequate Margin of Safety............................. C.2-6

C.2-5       Land Use Compatibility for Community Noise Environment................................. C.2-7

C.2-6       Local Agency Ordinance Limits by Land Use.................................................. C.2-8

C.2-7       Applicant Proposed Measures for Noise....................................................... C.2-10

C.2-8       Noise Emission Characteristics of Construction Equipment................................. C.2-11

C.2-9       Impact and Mitigation Summary – Noise....................................................... C.2-13

C.3-1       Impact and Mitigation Summary – Traffic and Circulation.................................. C.3-19

C.4-1       Contaminated Properties Impact Criteria........................................................ C.4-3

C.4-2       Hazardous Waste Sites With Potential To Impact the Proposed Project.................... C.4-4

C.4-3       Impact and Mitigation Summary – Environmental Contamination.......................... C.4-11

C.5-1       Significant Active Faults........................................................................... C.5-3

C.5-2       Modified Mercalli Scale........................................................................... C.5-4

C.5-3       Historic Earthquakes................................................................................ C.5-7

C.5-4       Impact and Mitigation Summary – Geology and Soils........................................ C.5-13

C.6-1       Daily Precipitation Data from Santa Ana, PRFD Station #121............................... C.6-2

C.6-2       Expected Value Discharges for Bolsa Chica Channel (CO2),

   San Diego Freeway to Cerritos Avenue......................................................... C.6-7

C.6-3       Expected Value Discharges for Bolsa Chica Channel (CO2)

               San Diego Freeway to Huntington Harbor Outlet............................................... C.6-7

C.6-4       Discharges for Anaheim-Barber City Channel.................................................. C.6-8

C.6-5       Impact and Mitigation Summary – Hydrology and Water Quality.......................... C.6-18

C.7-1       Refined Coastal Chronology as Defined by Mason and Peterson (1994).................... C.7-3

C.7-2       Summary of Impact and Mitigation – Cultural Resources................................... C.7-17

C.8-1       Impact and Mitigation Summary – Biological Resources...................................... C.8-9

C.9-1       Waterline Length by Jurisdiction.................................................................. C.9-2

C.9-2       Jurisdiction by Population and Median Income.................................................. C.9-2

C.9-3       Impact and Mitigation Summary – Land Use.................................................. C.9-16

C.10-1     Fire Stations Serving The Project Area........................................................ C.10-2

C.10-2     Police Departments By City ..................................................................... C.10-4

C.10-3     Schools and School Districts in the Proposed Project Area.................................. C.10-5

C.10-4     Libraries in the Proposed Project Area......................................................... C.10-7

C.10-5     Utilities Adjacent to the Proposed Route Alignment by Segment.......................... C.10-10

C.10-6     Impact and Mitigation Summary – Public Service and Utilities........................... C.10-18

D.1-1      Alternatives Screening Recommendations......................................................... D-4

D.4-1      Measured Ambient Noise Levels Along the Anaheim-Barber City

               Channel Diagonal Alternative Route.............................................................. D-19

D.4-2      Sensitive Receptors Along Anaheim-Barber City Channel Diagonal Alternative Route... D-20

D.4-3      Anaheim-Barber City Channel Diagonal Alternative Hazardous Waste Sites

               With Potential to Impact the Project............................................................... D-24

D.4-4      Measured Ambient Noise Levels Along the Springdale Street/Graham Street Route..... D-28

D.4-5      Sensitive Receptors Along the Springdale Street/Graham Street Route..................... D-28

D.4-6      Springdale Street/Graham Street Alternative Hazardous Waste Sites

               With Potential to Impact the Project............................................................... D-33

D.4-7      Measured Ambient Noise Levels Along the North Seal Beach Wellfields Route........... D-37

D.4-8      Sensitive Receptors Along the North Seal Beach Wellfields Route........................... D.37

D.4-9      North Seal Beach Wellfields Alternative Hazardous Waste Sites ............................ D-39

D.5-1      Impact Significance of Alternatives............................................................... D-43

D.5-2      Comparison of Alternatives......................................................................... D-44

F-1          Cumulative Projects List.............................................................................. F-4

List of Figures

ES-1      Proposed Water Transmission Line Route......................................................... ES-2

B-1        Regional Location....................................................................................... B-3

B-2        Proposed Water Transmission Line Route.......................................................... B-4

B-3        Butterfly Valve Detail.................................................................................. B-7

B-4        Steel Casing Beneath Railroad Crossing............................................................. B-8

B-5        Water Line Route Segments.......................................................................... B-12

B-6        Proposed Onsite Water Storage and Distribution Facilities..................................... B-17

B-7        Onsite Underground Reservoir Site Plan........................................................... B-19

B-8        Proposed Wastewater Collection Facilities........................................................ B-22

B-9        Sewage Lift Station Site Plan........................................................................ B-23

B-10       Construction Segment Map........................................................................... B-25

B-11       Pipeline Construction Diagram (Typical).......................................................... B-29

B-12       Typical Pipeline Trenching/Bedding Diagram..................................................... B-31

B-13       Conventional Boring Operation...................................................................... B-34

C.1-1     South Coast Air Basin................................................................................ C.1-2

C.1-2     Wind Rose for Newport Beach..................................................................... C.1-3

C.2-1     Typical Range Of Common Sounds................................................................ C.2-2

C.2-2     Examples of Outdoor Day-Night Average Sound Levels....................................... C.2-3

C.2-3     Monitoring and Sensitive Receptor Locations Along the Proposed and

              Alternative Alignments.............................................................................. C.2-5

C.3-1     Roadway System Travel Lanes and Intersection Controls...................................... C.3-3

C.3-2     1999 Daily Traffic Volumes........................................................................ C.3-4

C.3-3     Existing Transit Routes.............................................................................. C.3-8

C.4-1     Hazardous Waste Sites with Potential to Impact the Proposed Project....................... C.4-5

C.5-1     Known Active and Potentially Active Faults ..................................................... C.5-5

C.6-1     City of Huntington Beach Flood Hazard Areas................................................... C.6-3

C.6-2     Watershed Boundaries............................................................................... C.6-4

C.6.3     Watersheds and Drainage Channels in Project Area............................................ C.6-5

C.6-4     Huntington Watershed - Storm and Dry Weather Monitoring Location Map............... C.6-10

C.6-5     Water Quality Sampling Site Location Map - Huntington Harbour.......................... C.6-11

C.7-1     Quad Maps for Cultural Resources Records Check ............................................ C.7-6

C.9-1     Aerial Photograph of Project Area................................................................ C.9-3

D-1        Alternative Pipeline Routes Considered............................................................. D-5