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Lake Arrowhead CSD reports modest drop in customer demand; lake draw reduced by ~90 acre-feet
Summary
Operations Manager Matt Brooks told the board that August water consumption fell 3.4% year-over-year and cumulative deliveries through August rose to 128.83 acre-feet; he said roughly 90 acre-feet of reduced lake draw was largely due to increased CLAWA blending to manage PFAS.
The Lake Arrowhead Community Services District Board heard an operations update on September 23, 2025, showing modest changes in customer demand and water sources. Operations Manager Matt Brooks reported that total water consumption for August 2025 was 3.4% lower than August 2024, while cumulative deliveries through the first eight months of 2025 reached 128.83 acre-feet, up from 115.43 acre-feet in the same period of 2024.
Brooks explained the district's lake draw decreased by about 90 acre-feet compared with 2024 and attributed much of that reduction to increased purchases from the Crestline-Lake Arrowhead Water Agency (CLAWA) used to blend and lower PFAS concentrations. He also said wells-to-system deliveries for August were 20.96 acre-feet versus 15.16 acre-feet in August 2024, and that recycled water deliveries to the Country Club were about 7 acre-feet lower than the prior year. "Total water consumption for August 2025 was 3.4% lower compared to August 2024," Brooks told the board.
Board members asked technical questions about sources and delivery metrics; no formal action was required on the report. The district staff said they will continue to monitor deliveries and report updates to the board as design work and PFAS-related blending continue.
