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ii <br />DRAFT for review purposes only. Use of contents on this sheet is subject to the limitations specified at the end of this document. <br />Water Supply Alternatives Study-Draft Report.docx <br />Table of Contents <br />Executive Summary.................................................................................................................................ES-1 <br />1. Introduction........................................................................................................................................1-1 <br />1.1 Background .............................................................................................................................1-1 <br />1.2 Purpose....................................................................................................................................1-2 <br />1.3 Approach to Study...................................................................................................................1-2 <br />1.3.1 City Council Engagement .........................................................................................1-2 <br />1.3.2 Zone 7 Coordination.................................................................................................1-4 <br />1.3.3 Evaluation Approach.................................................................................................1-4 <br />2. Water Supply Options and Alternatives............................................................................................2-1 <br />2.1 Options Development and Initial Screening..........................................................................2-1 <br />2.2 Alternatives for Evaluation......................................................................................................2-3 <br />3. Alternatives Evaluation......................................................................................................................3-1 <br />3.1 Evaluation Overview................................................................................................................3-1 <br />3.2 Evaluation Criteria...................................................................................................................3-1 <br />3.3 Evaluation Results ..................................................................................................................3-2 <br />3.3.1 Benefit Scores...........................................................................................................3-2 <br />3.3.2 Costs..........................................................................................................................3-3 <br />3.3.3 Combined Benefits and Costs .................................................................................3-5 <br />3.4 Tradeoffs..................................................................................................................................3-6 <br />4. Preferred Alternative and Implementation Plan..............................................................................4-1 <br />4.1 Preferred Alternative...............................................................................................................4-1 <br />4.2 Project Delivery Approaches...................................................................................................4-1 <br />4.2.1 Potential Regional Project........................................................................................4-1 <br />4.2.2 Delivery Method........................................................................................................4-1 <br />4.3 Implementation Plan...............................................................................................................4-2 <br />4.4 Contingency Plan.....................................................................................................................4-7 <br />5. Limitations .........................................................................................................................................5-1 <br />6. References.........................................................................................................................................6-1 <br />Appendix A: Alternatives Evaluation ............................................................................................................A <br />Appendix B: Cost Estimates.........................................................................................................................B <br />Appendix C: Well Inventory and Data Review .............................................................................................C <br />Appendix D: Groundwater Modeling............................................................................................................D <br />Appendix E: Infrastructure Improvements...................................................................................................E <br />Appendix F: City Council Presentations.......................................................................................................F