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City of Pleasanton—Merritt Property Project <br />15183 Consistency Checklist Consistency Checklist <br /> <br /> <br /> 135 <br />inundation from flood flows, tsunamis, or seiches would be less than <br />significant. <br />There are no environmental effects that are peculiar to the proposed <br />project. The proposed project would not result in a new or more severe <br />adverse impact that was not previously identified in the Housing Element <br />Update FEIR. <br />b) Groundwater <br />Would the project: Substantially decrease groundwater supplies or interfere <br />substantially with groundwater recharge such that the project may <br />impede sustainable groundwater management of the basin? <br />Summary of Housing Element Update FEIR <br />The Housing Element Update FEIR indicated that future development <br />consistent with the Housing Element Update could increase the area of <br />impervious surfaces, which could potentially reduce groundwater infiltration. <br />The addition of new housing would also result in an increase in residential <br />connections to the municipal water supply, which could potentially increase <br />demand on groundwater supplies. <br />The Housing Element Update FEIR concluded that future development <br />consistent with the Housing Element Update would be required to comply <br />with requirements of the Municipal Code and General Plan policies and <br />actions related to maximizing infiltration and rainwater retention and <br />requiring the identification of an adequate water supply. Therefore, future <br />development consistent with the Housing Element Update would not <br />substantially interfere with groundwater recharge or impede groundwater <br />management of the basin, and impacts would be less than significant. <br />Proposed Project Analysis and Conclusion <br />As described above, the proposed project would increase impervious <br />surfaces at the project by 872,702 square feet. As such, the rate of <br />groundwater recharge would be decreased at the project site. Furthermore, <br />the proposed project would introduce new residents to the project site and, <br />therefore, could result in an increase in demand for the municipal water <br />supply, which could potentially increase demand on groundwater supplies. <br />The additional impervious surface at the project site could have potential <br />impacts associated with groundwater recharge or sustainable management <br />of the groundwater basin.