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ENVIRONMENTAL IMPACT REPORTADDENDUM <br />Bristol Street Widening Phase IIIB — Washington Avenue to 17°i Street <br />MODIFIED INITIAL STUDY CHECKLIST <br />ANA 305 -011 (PER 02) CITY OF SANTA ANA (01/19 /2015) YU APPENDIX A <br />75B -86 <br />New Impacts of Proposed - <br />Previous FEWER <br />Project Changes <br />No <br />Less Than <br />Less Than <br />Potentially <br />Impacts <br />Subsequent or <br />Impact <br />Significant <br />Significant <br />Significant <br />Disclosed? <br />Supplemental SIR <br />Impact <br />After <br />Impact <br />Required? <br />Mitigation <br />X <br />YES <br />NO <br />d) Substantially alter the existing drainage <br />pattern of the site or area, including <br />through the alteration of the course of a <br />stream or river, or substantially increase <br />the rate or amount of surface runoff in a <br />mannerthat would result in flooding on- or <br />off -site? <br />......................................................................................................................................... <br />X <br />.... <br />YES <br />_..._ ......_...._.�...._.._..._._... <br />NO <br />e) Create or contribute runoff water which <br />would exceed the capacity of existing or <br />planned storm water drainage systems or <br />provide substantial additional sources of <br />polluted runoff? <br />X <br />YES <br />NO <br />f) Otherwise substantially degrade water <br />quality? <br />........ --- <br />_ ....................................._.............. <br />X <br />,,........._.___..___..._._.... <br />_......._......................... ...._......_..._....................__..._......_......... <br />YES <br />NO <br />g) Place housing within a 100 -year flood <br />hazard area as mapped on a federal Flood <br />Hazard Boundary or Flood Insurance Rate <br />Map or other flood hazard delineation <br />map? <br />...__. _.._.- <br />....... ........... <br />X <br />......... <br />............. <br />........... <br />YES <br />NO <br />h) Place within a 100 -year flood hazard <br />area structures which would impede or <br />redirect flood flows? <br />............ I ........... <br />X <br />__.._... <br />..__.._._ <br />_____...._.. <br />__.. _....... <br />YES <br />._...._. .... ...... .... .._._ <br />NO <br />1) Expose people or structures to a <br />significant risk of loss, injury or death <br />involving flooding, including flooding as a <br />result of the failure of a levee or dam? <br />X <br />N/A <br />NO <br />j) Inundation by seiche, tsunami, or <br />mudflow? <br />10. LAND USE AND PLANNING. Would <br />the project: <br />X <br />N/A <br />NO <br />a) Physically divide an established <br />community? <br />X <br />YES <br />NO <br />b) Conflict with any applicable land use <br />plan, policy, or regulation of an agency <br />with jurisdiction over the project (including, <br />but not limited to the general plan, specific <br />plan, local coastal program, or zoning <br />ordinance) adopted for the purpose of <br />avoiding or mitigating an environmental <br />effect? <br />X <br />............. <br />N/A <br />NO <br />c) Conflict with any applicable habitat <br />conservation plan or natural community <br />conservation plan? <br />ANA 305 -011 (PER 02) CITY OF SANTA ANA (01/19 /2015) YU APPENDIX A <br />75B -86 <br />