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and Water <br />Flooding <br />City of Santa Ana -Park View at Town and Country Manor <br />Draft EIR <br />Impact 4.3 -7 The project would not expose people or structures to a significant risk of loss, <br />injury or death involving flooding, including flooding as a result of the failure of a <br />levee or dam. <br />[CEQA Hydrology and Water Quality Threshold 8(i)] <br />Impact Analysis <br />Santiago Creek lies immediately south of the project site. The project site is located approximately <br />10 miles downstream of the dam on Santiago Creek that forms Irvine Lake. This dam was <br />constructed and is operated in accordance with regulations and requirements to ensure dam safety and <br />minimize the threats related to dam failure. No flooding impact from levee or dam failure is <br />anticipated. <br />Level of Significance Before Mitigation <br />No impact. <br />Mitigation Measures <br />No mitigation measures required. <br />Level of Significance After Mitigation <br />No impact. <br />Seiche, Tsunami, or Mudflow <br />Impact 4.3 -8 The project would not be subject to inundation by seiche, tsunami, or mudflow. <br />[CEQA Hydrology and Water Quality Threshold 8(j)] <br />Impact Analysis <br />The project site does not he within an area that could be inundated by a seiche, tsunami, or by <br />mudflow. The project site is located approximately 11 miles inland from the coast and there are no <br />large bodies of water near the project site. <br />The project site is relatively level, as is the adjacent area, and is surrounded by developed urban uses. <br />Therefore, there would be no threat of mudflow at the project site. No impact from seiche, tsunami, <br />or mudfl ow is anticipated. <br />Level of Significance Before Mitigation <br />No impact. <br />Mitigation Measures <br />No mitigation measures required. <br />Level of Significance After Mitigation <br />No impact. <br />4.3 -12 Michael Bmndman Associates <br />H\Cl t(PN -Rn) 327b327W3MME 3270030 Sec 3Hyd bUadWat Wity.d <br />