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Section 5 <br />a Notice of Intent with State Water Resources Control Board and the preparation <br />of a Storm Water Pollution Prevention Plan (SWPPP), The SWPPP would <br />provide and implement a list of Best Management Practices to minimize potential <br />soil erosion impacts. With implementation of Mitigation Measure GEO-1 potential <br />erosion impacts would be reduced to a less than significant level. <br />Alternative 3: Reduced Intensity Alternative <br />Under Alternative 3, one less injection well and a reduced amount of pipeline <br />would be constructed, approximately 1, 15 acres of soil disturbances would occur, <br />Under Alternative 3 there would be a reduced amount of soil disturbances. <br />Therefore, the potential for erosion impacts would be less, The project would still <br />involve over one acre of grading and would be required to obtain coverage under <br />a General Construction Permit by the State Water Resources Control Board. <br />With implementation of Mitigation Measure GEO-1 potential erosion, impacts <br />would be reduced to a less than significant level. <br />Alternative 4: Pipeline Design Alternative <br />Under Alternative 4, the amount of soil disturbances would be similar to the <br />Proposed Project. With implementation of Mitigation Measure GEC? -1 potential <br />erosion impacts would be reduced to a less than significant level, <br />Mitigation Measure <br />,GEO-1: Prior to the start of construction OCWD will obtain coverage under the <br />General Construction Permit by the State Water Resources Control Board and in <br />compliance with the permit will file a Notice of Intent with the State Water <br />Resources Control Board and prepare and implement Storm Water Pollution <br />Prevention Plan, <br />Level of Impact <br />Alternative 1: No adverse impact <br />Alternative 2: Less than significant impact with Mitigation Measure GEO-1. <br />Alternative 3: Less than significant impact with Mitigation Measure GEO-1, <br />Alternative 4: Less than significant impact with Mitigation Measure GEO-1 . <br />IMPACT GE04: Would the project be located on collapsible or expansive <br />soil creating substantial risks to life or property? <br />Alternative 1: No Federal Action/No Project <br />Under Alternative 1, no injection wells, pipelines or shared structures would be <br />built. Therefore, there would not be any concerns regarding the geotechnical <br />stability of onsite soils at Centennial Park or at Heritage Museum, to support the <br />proposed improvements. <br />Mid Basin Centennial Park ?j§cq6M?Project Final EIR 5-87 <br />