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0 <br /> is <br /> fi <br /> Facts in Support of the Finding: <br /> The potential for seismic shaking is discussed in Section IIL3 of the EIR. The measure above is <br /> designed to mitigate potential effects of seismic shaking. <br /> 10. Uldrology,—Geohydrology,and Water Quali <br />! a.Flooding Impacts <br /> Potential Significant Impact(K 2): <br /> The project would relocate the existing 100-year floodplain,and if inadequate replacement <br /> storage volume or routing of floodflows occurred,the project could contribute to upstream or <br /> I' downstream flooding or expose the landfill to effects of the 100-year flood. <br /> Finding. <br /> Based upon the analysis in the EIR,channel reconfiguration,berms,replacement floodplain area, <br /> and channel and floodplain storage design will make impacts of flooding less than significant. <br /> The following mitigation measures will mitigate these impacts to below a level of significance. <br /> !i Mitigation Measures(Impact K2): <br /> (a) The project includes channel reconfiguration and localized flood protection berms to <br /> isolate the landfall surfaces from floodwaters. <br /> (b) The project design also includes provision of replacement floodplain area and <br /> storage volume in an easement along the relocated North Branch of the South Fork of <br /> Little Johns Creels <br /> (c) The channel and floodplain storage easement are designed to accommodate the 100- <br /> year, 24-hour storm. The design also includes a three foot freeboard. <br /> Facts in Support of the Finding: <br /> f <br /> The potential for flooding impacts is discussed in Section IILK of the EIR. The measures above <br /> i; are designed to mitigate flooding impacts. <br /> b.Impacts of Stormwater Runoff <br /> Potential Significant Impact(K.3): <br /> Stormwater runoff from landfill surfaces, if not properly controlled,could contribute to increased <br /> peak flows downstream,or degrade surface water in receiving waters. <br /> 43 <br />