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EVALUATION OF GROUNDWATER SUPPLY ALTERNATIVES WITHIN BERNAL SUBBASIN <br />APRIL 2026 / FINAL / CAROLLO <br />CITY OF PLEASANTON 27 <br />Figure 12 shows the results of combining the relative benefit scores and total annual costs for each <br />project over a 50-year life cycle. Optimal results are in the top-left corner of the chart where the relative <br />benefit is highest and the total annual cost is lowest. Conversely, the bottom-right corner of the chart <br />represents suboptimal results where relative benefit is lowest and total annual is highest. <br /> <br />Figure 12 Relative Weighted Benefit Score of Project Alternatives <br />SECTION 6 SUMMARY <br />This study evaluates Alternative 1 (Baseline Project), Alternative 2 (Joint Project), and Alternative 3 (City <br />Only Project) based on the criteria defined herein, weighted scoring, and annualized capital and O&M <br />costs to identify the preferred alternative. This evaluation identified Alternative 2 – Joint Project as the <br />preferred alternative.