Laserfiche WebLink
2025 URBAN WATER MANAGEMENT PLAN <br /> MAY 2026/FINAL DRAFT/CAROLLO <br /> Water Use Characterization <br /> Water Use in the Last Five Years <br /> Total water use within the City's service area has fluctuated in the past five years (fiscal years [FYI <br /> 2021-25),with an annual average total water use of approximately 32,420 acre-feet (AF). Demand trends <br /> have remained flat due to water-use efficiency efforts and increased precipitation in recent wet years. <br /> FY 2020-21 through FY 2021-22 saw the highest water uses over the last five years due to region-wide <br /> drought conditions. FY 2022-23 proved to be one of the wettest years on record in the state, and the City <br /> saw a general decrease in water demand following this wet year, as precipitation offsets landscape <br /> irrigation demands.These year-to-year fluctuations in precipitation will continue to influence the City's <br /> annual demands. In general, the City saw a decrease in demand of approximately 3 percent over the <br /> 5-year reporting period. <br /> Projected Water Use <br /> The water use projection for this UWMP is based on the 2025 Orange County Water Demand Projection <br /> Model Technical Memorandum (TM). This demand projection represents the City's total water demand <br /> and considers factors such as weather, water price, regional economic conditions, and housing density <br /> through a regression, or econometric, model. <br /> Over the next 25 years, the City's total water demands are projected to decrease by about 2.3 percent <br /> from 32,935 AF in 2025 to approximately 32,167 AF by 2050.The OC Basin is expected to continue <br /> meeting a notable share of total water demand between 2025 and 2050, with a basin production <br /> percentage (BPP) of 85 percent forecasted through 2050. <br /> Conservation Target Compliance <br /> The City participated in the Orange County 20x2020 Regional Alliance along with all other Orange County <br /> water agencies.The alliance was created by MWDOC in collaboration with all its retail member agencies <br /> as well as the Cities of Anaheim, Fullerton, and Santa Ana, to assist Orange County retail agencies in <br /> complying with the requirements of the Water Conservation Act of 2009, also known as SB X7-7 (Senate <br /> Bill 7 as part of the Seventh Extraordinary Session). Signed into law on February 3, 2010, it required the <br /> State of California to reduce urban water use by 20 percent by 2020. <br /> Retail water suppliers are required to comply with SB X7-7 individually or as a region in collaboration with <br /> other retail water suppliers, to be eligible for water-related state grants and loans. Orange County, as a <br /> region, achieved its 2020 target water use of 159 gallons per capita per day (GPCD) prior to 2020, <br /> indicative of the collective efforts in reducing water use in the region. All Orange County water retailers, <br /> achieved individual compliance prior to 2020. By 2020, the City achieved a per capita per day water use of <br /> 66 GPCD (compared to its 116 GPCD target) and continues to implement water use efficiency measures. <br /> Water Supply Characterization <br /> The City's main source of water supply is groundwater from the OC Basin. Imported water makes up the <br /> rest of the City's water supply portfolio. In FY 2024-25, the City's potable supply consisted of <br /> approximately 88 percent groundwater and 12 percent imported water. Recycled water also makes up a <br /> CITY OF SANTA ANA <br />