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v c_) <br /> Potential Potential <br /> o <br /> Significance Significance <br /> Without Mitigation With N a <br /> Impacts Mitigation Mitigation Measures Responsibility Mitigation N, o <br /> 0 0 <br /> would be responsible for inspecting these measures, .A n <br /> typically on an annual basis,while the sponsor <br /> would be responsible for implementing any remedial <br /> measures if the Board indicated that site stormwater <br /> quality objectives were not being met. The City <br /> Engineering Division would also be responsible for <br /> post-construction inspection of all measures that <br /> would eventually become part of the maintained <br /> infrastructure of the project, including source control <br /> and water quality treatment measures. <br /> Implementation of these measures would reduce the <br /> construction-related soil erosion and sedimentation <br /> impacts to a less-than-significant level. <br /> Impact 9-2: Increased Stormwater Contaminant S Mitigation 9-2. Apply the following site-appropriate Applicant LS <br /> Loading--Potential Violation of Water Quality Best Management Practices(BMPs)or their <br /> Standards. The proposed residential development, equivalents as part of the project Stormwater <br /> reconfigured marina, and related landscaping on the Pollution Prevention Plan (SWPPP), including <br /> project site would result in incremental increases in measures required to comply with the new C.3 <br /> the stormwater contaminant loading for some heavy regulations of the San Mateo Countywide <br /> metals, as well as oil and grease and Stormwater Pollution Prevention Program <br /> pesticide/herbicide residues. Project contaminant (STOPPP), in order to comply with the requirements <br /> input could further impair the already impaired of the NPDES General Permit and imminent <br /> quality of stormwater discharged to Redwood Creek. updating of the Municipal Stormwater Permit for <br /> This possible project effect is considered a Redwood City: <br /> potentially significant impact. <br /> • Integrate start-at-the-source measures for <br /> stormwater control and treatment into the <br /> project stormwater drainage design. Such <br /> measures could include pervious parking lots, <br /> infiltration basins, vegetated (grass)swales <br /> ("bioswales"), or other measures designed to <br /> minimize stormwater runoff(through < <br /> maximization of local infiltration and detention m <br /> storage), settle out fine sediments, and filter <br /> contaminants. Oil/grease traps, sand filters, or co D <br /> D <br /> S = Significant _ <br /> LS = Less than significant j -0; <br /> SU = Significant unavoidable impact 0co <br /> NA = Not applicable <br /> co <br /> T:I10695 Pete's Harbor EIR Addendumlrevised addendum no 21Table 1-1(10695-01).doc CO <br />