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Hacienda TOD Standards and Design Guidelines Initial Study Development due to buildout under the Hacienda TOD Standards and Design Guidelines would be subject to the Construction General Permit, the Alameda Countywide Municipal Stormwater National Pollution Discharge Elimination System (NPDES) Permit, Industrial General Permit, Waste Discharge Requirements for the Livermore - Amador Valley Water Management Agency, Dublin -San Ramon Services District, City of Pleasanton, Livermore- Amador Valley Water Management Agency Export and Storage Facilities Intermittent Peak Wet Weather Discharge to the San Lorenzo Creek, Alamo Canal, or Wastewater Treatment Plant Permit, Order No. R2- 2006 -0026, NPDES Permit No. CA0037813), Master Water Recycling Permit, and potentially an individual Waste Discharge Requirement for construction dewatering, if substantial groundwater was encountered during construction, or an individual Waste Discharge Requirement if there would be discharges of water to the land surface, other than recycled water covered under the blaster Water Recycling Permit. Consequently, several regulatory mechanisms would ensure that the potential for violation of a Waste Discharge Requirement would not be substantial within the areas to be rezoned. Furthermore, the existing regulations are considered protective of water quality standards. The potential for discharges of polluted stormwater from construction to affect beneficial uses of groundwater recharge, fish migration and spawning, wildlife habitat, water contact and non - contact water recreation, and cold and warm freshwater habitat for nearby waterways would not be substantial. Implementation of existing regulatory requirements for the National Pollution Discharge Elimination System permit would ensure that any violation of Waste Discharge Requirements or water quality standards during any construction in Pleasanton would be less than significant. Further, residential and retail /service land uses due to implementation of the proposed standards and guidelines would not be expected to result in any adverse water quality effects that would be significant. The project sites are located within the 500 -year flood zone and could be impacted by some flooding, although such flooding would not he considered potentially significant. The project sites are not at any greater hazard for flood inundation due to a levee or dam failure than any other site within Pleasanton. The project sites, like most of Pleasanton, are within the Del Valle Dam Flood inundation area. No impact. Development of housing consistent with the Hacienda TOD Standards and Design Guidelines would not violate any water quality standards, waste discharge requirements, or otherwise degrade water quality. Furthermore, the proposed project would not involve any groundwater extraction or augmentation. There is no risk of seiche, tsunami, or mudflow at the project sites because the site is inland. Less Than Potentially Significant with Less Than No Significant Significant Impact Mitigation Impact Impact Incorporation 10. Land Use and Planning — Would the project: a) Physically divide an established community? X h) Conflict with any applicable land uxe plan, policy, or X regulation of an agency with jurisdiction over the project (including, but not united to the general plan, specific plan, local coastal program, or zoning ordinance) adopted for the purpose of avoiding or mitigating an environmental effect? Draft, Subject to Revision 23 2/11/2011