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01/24/2011 Exhibit B Impact 10a. Water Supply Impacts. The City's 2005 Urban Water Management Plan ( "UWMP ") concluded that the City would have adequate water supply under normal supply conditions to serve projected growth through 2030 using a combination of SFPUC supply, recycled water supply, and water conservation programs. The DPP proposes fewer new housing units and less non - residential development in the downtown area than was assumed for the evaluation in the UWMP. In addition, the potential water supply impacts of the DPP were evaluated for the EIR prepared for the City's New General Plan, adopted October 11, 2010, which determined that total City -wide water demand, including the DPP area and all other areas of the City, could result in a significant and unavoidable impact. As explained in the UWMP and the Draft EIR for this Project, however, the demand generated by the proposed DPP, standing alone, would not exceed the City's anticipated supplies as determined in the UWMP. Therefore the impact of the DPP on water supply would be less than significant. Impact 10b. Water Distribution System Impacts. Development to the full extent permitted under the DPP could increase use of the City's water supply system, potentially reaching the limit of its capacity. However, the results of a water model analysis of the municipal water distribution system indicate that the existing water lines serving the DPP area have the capacity to handle development under the DPP for the average day and maximum day conditions. Therefore, the potential effect of the DPP on the municipal water distribution system would be less than significant. Impact 10c. Fire Flow Impacts. Development to the full extent permitted under the DPP could increase fire flow demand and require water system improvements to accommodate the demand that would involve construction that could have environmental impacts. However the DPP is a planning document that does not propose, approve or permit any new, parcel- specific development projects or any new water system improvements. Until future development projects are proposed, identification and assessment of the environmental impacts caused by any necessary water system improvements would be speculative. This impact is therefore less than significant. Impact 10d. RWQCB Wastewater Treatment Requirements Impacts. The DPP could generate additional need for wastewater treatment. The 10- year capital improvement program initiated in 2008 for the South Bayside System Authority treatment plant would ensure that the facility is able to continue to meet or exceed the wastewater treatment requirements established for it by the RWQCB for discharge into San Francisco Bay, even with the additional wastewater generated by development allowed under the DPP. Therefore, the impacts of development under the DPP related to RWQCB wastewater treatment requirements would be less than significant. U:\Resolutions\2011\Reso 15086 Exhibit B.doc 9 012011 Reso. # 15086 Muff #601