Item 28 - Public Hearing - Amendment Application for the Village Santa Ana Specific Plan

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4 NO ENVIRONMENTAL EFFECTS AND LESS THAN SIGNIFICANT ENVIRONMENTAL EFFECTS WITHOUT MITIGATION MEASURES conveyance and treatment infrastructure would not be cumulatively considerable, and cumulative impacts related to wastewater treatment would be less than significant. (Draft Supplemental EIR, p. 4.15-36.) Stormwater The extent of analysis of cumulative impacts for storm drainage systems is contiguous with the City and Orange County Flood Control District (OCFCD) service areas. Depending on the project type and design (e.g., new construction or significant reconstruction), buildout of the GPU and all related projects could cumulatively increase stormwater flows, potentially requiring the relocation or construction of new or expanded stormwater facilities; however, they would adhere to the requirements of the NPDES and applicable permits (e.g., MS4, Industrial General Permit, and Construction General Permit), which prevent post -development stormwater flows from exceeding pre -development flows. Further, GPU buildout and the related projects would undergo the development and review process and require hydrology studies as needed to assess stormwater runoff and drainage. As such, GPU buildout and the related projects would result in less than significant cumulative impacts related to stormwater. The Project's grading and storm drain network would be designed to match the existing drainage and flow patterns to best utilize the capacities available in the existing public storm drain system. The Project would integrate bio-filtration methods, pervious surfaces, and selective plant materials to encourage on -site water retention to ensure less than significant impacts related to stormwater drainage. Therefore, the Project's contribution to cumulative impacts related to stormwater or infrastructure would not be cumulatively considerable, and thus, cumulative impacts to stormwater or infrastructure would be less than significant. (Draft Supplemental EIR, pp. 4.15-36 — 4.15-37.) Solid Waste The extent of analysis of cumulative impacts for solid waste collection and disposal services is contiguous with the Waste Management of Orange County service area. Solid waste generated by GPU buildout and the related projects within the City of Santa Ana would be primarily disposed of at the Frank R. Bowerman Sanitary Landfill in Irvine and the Olinda Alpha Landfill in Brea. The Orange County solid waste landfill system would continue maintain the 15-year countywide solid waste landfill capacity as required by AB 939. Both landfills have sufficient capacity to accommodate solid waste generated by the related projects and the Project. Moreover, the Project and related projects would comply with all regulatory requirements to reduce solid waste generation, including the requirements of AB 939, CALGreen, AB 341, and AB 1826, which would reduce the amount of solid waste generated. Therefore, the Project's contribution to cumulative impacts related to solid waste would not be cumulatively considerable, and as such, cumulative impacts to solid waste would be less than significant. (Draft Supplemental EIR, pp. 4.15-37 — 4.15-38.) Dry Utilities The extent of analysis of cumulative impacts for dry utilities (i.e., natural gas and electricity services) is contiguous with the Southern California Gas Company and Southern California Edison service areas. Although future developments would result in the use of renewable and nonrenewable electricity and natural gas resources during construction and operation, which could limit future availability, the sizes and types of uses proposed by the GPU buildout and City of Santa Ana The Village Santa Ana Specific Plan Project August 2025 CEQA Findings of Fact and Statement of Overriding Considerations 4-44