2025-041 - Certifing Final Supplemental Enviromental Impact for The Village

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Cumulative Impacts: The Project would not result in cumulative impacts concerning utilities and service systems. Findings: The City finds that the Projectwould result in no cumulative impacts concerning utilities and service systems. Additionally, the City finds that the Project will implement regulatory requirements RR U-1 through RR U-3; RR U-5 through RR U-8; RR U-10 through RR U-11; RR HYD-1; and RR HYD-4 (listed above). (Draft Supplemental EIR, pp. 4.15-35 --4.15-38.) Explanation of the Rationale: Water The geographic context for the analysis of cumulative impacts to water supply and infrastructure is the City's water service area, which covers 27.5 square miles and includes the City of Santa Ana and a small neighborhood in the City of Orange, near Tustin Avenue and Fairhaven by the northeast corner of Santa Ana. The City's 2020 UWMP forecasts the water supply and demand for its water service through 2045 which considers the GPU buildout assumptions and accounted for the water demand generated by the types of land uses proposed by the related projects within the City's water service area. As such, the City would have adequate water supplies to meet the water demand during normal, single dry, and multiple dry years through 2045. In addition,the City is able to purchase more water from MWD if necessary. Further, projects resulting from GPU buildout and the related projects would be required to comply with regulatory requirements and GPU policies that promote water conservation, prepare a Water Supply Assessment, and require City review of each water service connection and infrastructure improvement. The Project would have a less than significant impact on the City's water infrastructure and the City would have sufficient water supplies to serve the Project during normal, single-dry, and multiple-dry years. Therefore, the Project's contribution to cumulative impacts to water supply or infrastructure would not be cumulatively considerable, and as such, cumulative impacts to water supply or infrastructure would be less than significant. (Draft Supplemental EIR, pp.4.15-35--4.15-38.) Wastewater The geographic context for the analysis of cumulative impacts to wastewater conveyance and treatment would be the sewer service area of the City, which encompasses 27.2 square miles, and OC San's service area,which covers a 479-square-mile area of central and northwest Orange County and includes the cities of Santa Ana, Costa Mesa, and Irvine. Buildout of the GPU and related projects would increase wastewater generation, thus cumulatively increasing wastewater generation and infrastructure capacity, potentially requiring the relocation or construction of new or expanded wastewater facilities. However, they would be required to perform a sewer monitoring study to determine the adequacy of the sewer system, to pay the OC San Capital Facilities Charge for new connections to the OC San System, and adhere to local standards. Additionally, wastewater flows would be conveyed to OC San's Treatment Plant No. 1 or Treatment Plant No.2 fortreatment which has a combined total capacity of 632 mgd.The project's connections and upgrades to the sewer lines would result in less-than-significant impacts. In addition, wastewater generated by the Project would be adequately served by OC San's Treatment Plant No. 1. Therefore, the Project's contribution to cumulative impacts to wastewater Resolution No. 2025-041 Page 63 of 140