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City of Pleasanton—Villages at the Quarry Project <br />15183 Consistency Checklist Consistency Checklist <br /> <br /> <br /> 145 <br />a) Surface and Groundwater Quality <br />Would the project: Violate any water quality standards or waste discharge <br />requirements or otherwise substantially degrade surface or <br />groundwater quality? <br />Summary of Housing Element Update FEIR <br />The Housing Element Update FEIR indicated that future development <br />consistent with the Housing Element Update would involve grading, <br />excavation, and removal of vegetative cover that has the potential to result <br />in runoff that contains sediment and other pollutants that could degrade <br />surface and groundwater quality if not properly controlled. Furthermore, all <br />future development consistent with the Housing Element Update could add <br />additional areas of impervious surfaces within the City and could therefore <br />increase the volume of pollutants that are typically associated with urban <br />runoff into the stormwater. <br />The Housing Element Update FEIR concluded that compliance with <br />mandatory NPDES permit requirements, adherence to the Municipal Code, <br />and implementation of General Plan goals, policies, and actions would <br />ensure that impacts related to water quality degradation from construction <br />activities would be less than significant. <br />Operation of future development consistent with the Housing Element <br />Update would be required to comply with regulations enforced by the <br />RWQCB. In addition to existing State regulations, future projects would also <br />be required to comply with the requirements of the Alameda Countywide <br />Clean Water Program, Municipal Code, and policies and actions included in <br />the General Plan related to water quality. Therefore, during operation, future <br />development consistent with the Housing Element Update would not violate <br />any water quality standards or Waste Discharge Requirements (WDR) or <br />otherwise substantially degrade surface or groundwater quality and impacts <br />would be less than significant. <br />Proposed Project Analysis and Conclusion <br />The proposed project would involve grading, excavation, and removal of <br />vegetative cover that has the potential to result in runoff that contains <br />sediment and other pollutants that could degrade surface and groundwater <br />quality if not properly controlled. Furthermore, the proposed project would <br />include the addition of 1,348,814 square feet of new impervious surfaces, <br />which could increase the volume of pollutants that are typically associated <br />with urban runoff into the stormwater.