Item 27 - Water Supply Assessment for Cabrillo Town Center Project

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Cabrillo Town Center WATER SUPPLY ASSESSMENT FEBRUARY 13, 2023 24 The findings of the 2020 UWMP highlight that Metropolitan has supply capabilities that would be sufficient to meet expected demands from 2020 through 2045 under the normal, single dry- year and five consecutive water dry-years conditions. Metropolitan also has proposed programs in place to ensure against water shortages in the future. These programs include projects along the California Aqueduct and the Colorado River Aqueduct in addition to demand reduction projects. In all climate scenarios, Metropolitan estimated potential surpluses in water supply through 2045. The Metropolitan 2020 UWMP was made public in June 2021 and shared with metropolitan’s member agencies. Once these findings were finalized, the Metropolitan member agencies could conclude their own 2020 UWMP findings. The City of Santa Ana published their 2020 UWMP findings in June 2021 after determining Metropolitan would be able to meet the City’s imported water demands through 2045. The City of Santa Ana and OCWD local water supply reliability is summarized below. 4.2 OCWD AND CITY OF LOCAL WATER SUPPLY RELIABILITY Like Metropolitan, the City of Santa Ana is also required to assess the reliability of their water service to its customers under normal, single-dry, and multiple-dry water years. As mentioned, the City depends on a combination of imported water from Metropolitan and local groundwater supplies from OCWD to meet its water demands. The City has taken numerous steps to ensure it has adequate supplies to provide for growing demands. The City has several water demand reduction requirements and resources on their website that informs its customers on how to save water updated June 7, 2022. Some of the main requirements are summarized below: Residential o Outdoor watering of lawns, landscapes, or other turf areas is limited to two days a week, and only between the hours of 6 p.m. to 6 a.m. o Leaks must be repaired within 48 hours of notification by the City. o No washing down sidewalks or driveways. o No excessive water flow or runoff that causes water to flow onto an adjoining sidewalk, driveway, street, alley, gutter, or ditch. o No washing vehicles with a hose, unless fitted with a shut-off nozzle. o No operating a fountain or decorative water feature unless the water is part of a recirculating system. o No outdoor watering during the 48 hours following measurable rainfall. Business o Restaurants, cafes, and bars can only serve water to customers on request. o Hotels and motels must provide guests with the option of not having towels and linens laundered daily.