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City of Pleasanton—Villages at the Quarry Project Consistency Checklist 15183 Consistency Checklist 154 e) Water Quality Control or Sustainable Groundwater Management Plans Consistency Would the project: Conflict with or obstruct implementation of a water quality control plan or sustainable groundwater management plan? Summary of Housing Element Update FEIR The Housing Element Update FEIR indicated that construction and operation of any future development consistent with the Housing Element Update could result in water quality impacts. In addition, future development consistent with the Housing Element Update could lead to an increased demand for water, which could lead to an increase in groundwater pumping. The Housing Element Update FEIR concluded that any future development consistent with the Housing Element Update would be required to comply with the General Plan policies and programs, the Municipal Code, and the mandatory NPDES permit requirements. Therefore, during construction and operation, future development consistent with the Housing Element Update would not violate any water quality standards or otherwise substantially degrade surface or groundwater quality, in compliance with the Water Quality Control Plan for the San Francisco Bay Basin. Furthermore, compliance the General Plan contains policies and programs that would facilitate groundwater recharge by encouraging pervious surfaces in new developments and requiring projects to meet federal, State, regional, and local stormwater requirements, including stormwater infiltration. Therefore, implementation of the Housing Element Update would not conflict with or obstruct implementation of a water quality control plan or sustainable groundwater management plan and impacts would be less than significant. Proposed Project Analysis and Conclusion The proposed project would be designed in accordance with the Preliminary Stormwater Control Plan that was prepared for the proposed project. As discussed above, under the Preliminary Stormwater Control Plan, the proposed project is required to treat 100 percent of the runoff from impervious surfaces within the project site; this would be achieved by directing all runoff (i.e., roof, street, and driveway) to six proposed bioretention basins located throughout the project site. Landscaping would include planting several trees, which would improve water quality by intercepting and storing rainfall on leaves and branch surfaces thereby reducing runoff volumes and delaying the onset of peak