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The Bowery Mixed-Use Project CEQA Findings of Fact City of Santa Ana 39 May 2020 new wastewater facilities or expansions, the construction of which could cause significant environmental effects. Therefore, impacts would be less than significant. Impact Finding: The Project would not result in a determination by the wastewater treatment provider which serves or may serve the Project that it has adequate capacity to serve the Project’s projected demand in addition to the provider’s existing commitments (Draft EIR at p. 5.16-11). Facts in Support of Findings: The OCSD Reclamation Plant No. 1 has an additional capacity of 87 mgd, which would accommodate the increase in wastewater flow from full occupancy of the proposed Project that would generate 201,906 gpd. As a result, implementation of the proposed Project would not result in inadequate capacity of the wastewater treatment plant to serve the Project’s demand in addition to existing service commitments, and impacts would be less than significant. Drainage Impact Finding: The Project would not require or result in the construction of new storm water drainage facilities or expansion of existing facilities, the construction of which could cause significant environmental effects (Draft EIR at p. 5.16-13). Facts in Support of Findings: The runoff within the Project site would be collected by roof drains, surface flow designed pavement, curbs, and area drains and conveyed to Modular Wetland System units that would be installed as part of the Project to retain, filter, and slowly discharge drainage. The Modular Wetland System units have been sized to treat runoff from the Design Capture Storm (85th percentile, 24-hour). Treated runoff from the Modular Wetland System units would be discharged from the flow controlling Modular Wetland System units to the existing 84- inch drain located within Red Hill Avenue. From there, flows would travel southeast and be temporarily detained in an existing flood control basin before entering the Barranca Channel, which discharges into San Diego Creek Reach 1, then the Upper Newport Bay, Lower Newport Bay, and finally to the Pacific Ocean at Balboa Beach. Although the Project related runoff conditions (flow rates and durations) would increase from predevelopment conditions (shown in Draft EIR Table 5.15-5), the Project would manage the increased flow by the four Modular Wetland System units that have been designed to accommodate the increased volume. As a result, the proposed Project would not result in a need to expand or construct new off-site drainage systems and impacts to stormwater drainage systems would be less than significant. Solid Waste Impact Finding: The Project would not generate solid waste in excess of state or local standards, or in excess of the capacity of local infrastructure, or otherwise impair the attainment of solid waste reduction goals (Draft EIR at p. 5.16-15). Facts in Support of Findings: Construction The Project is estimated to generate approximately 460 tons of waste during demolition and additional waste during construction, which would occur over a 27-month period. However, Section 5.408.1 of the 2016 California Green Building Standards Code requires demolition and construction activities to recycle or reuse a minimum of 65 percent of the nonhazardous construction and demolition waste. Thus, the demolition and construction solid waste that would be disposed of at the landfill would be approximately 35 percent of the waste generated. Therefore, demolition 3-61