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L <br /> Potential Potential > <br /> co co <br /> vD <br /> Significance Significance <br /> Without Mitigation With N -o <br /> Impacts Mitigation Mitigation Measures Responsibility Mitigation � <br /> 0 <br /> Special-status wildlife species known from the area, Additions/substitutions to the landscape plan plant <br /> cp <br /> such as California clapper rail and salt marsh list shall be subject to City approval. oco <br /> harvest mouse, are dependent on native salt marsh co <br /> vegetation and adjacent upland areas. Displacement <br /> of native vegetation by invasive non-native species <br /> would adversely impact habitat for these and other <br /> special-status wildlife species. Use of these plants <br /> in landscaping would therefore present a potentially <br /> significant impact. <br /> HYDROLOGY AND WATER QUALITY <br /> Impact 9-1: Temporary Soil Erosion Increase S Mitigation 9-1: In accordance with National Applicant LS <br /> and Sedimentation Impacts During Project Pollution Discharge Elimination System (NPDES) <br /> Construction. Project filling, grading, and removal regulations, require the project applicant to file a <br /> of vegetative cover would cause disturbance of Notice of Intent with the State Water Resources <br /> watershed lands and would expose large areas of Control Board (SWRCB), Division of Water Quality. <br /> bared soil surface to erosion with the potential for The filing shall include a description of erosion <br /> attendant downstream sedimentation in both the on- control and stormwater treatment measures to be <br /> site marina and Redwood Creek. This is considered implemented during (including Start at the Source <br /> a potentially significant impact. measures)and following project construction, as well <br /> as a schedule for monitoring of performance. These <br /> measures are referred to as Best Management <br /> Practices(BMPs)for the control of point and non- <br /> point source pollutants in stormwater and constitute <br /> the Storm water Pollution Prevention Plan(SWPPP). <br /> Project grading shall not commence(no grading <br /> permit shall be issued by the City)until an NPDES <br /> permit is issued, demonstrating that project erosion <br /> control and stormwater treatment measures, <br /> including the project SWPPP, meet SWRCB <br /> requirements. The project shall be required to fully <br /> implement the erosion control and other water <br /> quality measures cited in the SWPPP and to monitor c7)' <br /> these measures during a specified period following fl <br /> completion of project construction. The RWQCB m -013 <br /> -a > <br /> S = Significant m m _ <br /> LS = Less than significant a <br /> SU = Significant unavoidable impact o 3 o <br /> NA = Not applicable <br /> T:110695 Pete's Harbor EIR Addendumlrevised addendum no 21Table 1-1(10695-01).doc <br />