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Section 6 2025 Urban Water Management Plan <br />Water Supply Characterization City of Pleasanton <br /> Public Draft | May 2026 <br /> 6-12 EKI Environment & Water, Inc. <br /> Figure 6-3 Artificial Recharge, Pumping, and Net Cumulative Impacts to Operational Storage <br />Over the past five years, Zone 7 has generally been able to meet groundwater production needs while <br />maintaining basin storage within sustainable ranges. Although recent drought conditions resulted in <br />temporary localized groundwater level declines that affected production at certain wells, these impacts <br />were managed within the broader conjunctive use system which allowed groundwater levels to <br />subsequently recover and did not compromise overall supply reliability. Zone 7 was able to meet its <br />demand in all prior years. <br />Zone 7 has continued to operate the Basin within its Sustainable Yield over a period of at least 10 years <br />and is meeting the sustainability goal defined for the Basin. Groundwater levels have remained stable or <br />generally increased over the past 10 years, demonstrating continued sustainable groundwater <br />management practices. Groundwater storage in the Basin from 1974 to 2025 is shown in Figure 6-4. <br />Ongoing basin monitoring and implementation of the Alternative GSP ensure that groundwater extraction <br />remains sustainable and protective of long-term basin health.