As of October 1, 2024
On June 25, 2024, the U.S. Bureau of Reclamation (Bureau) announced an increase to the 2024 south-of-delta Central Valley Project (CVP) agricultural allocation from 40% to 50%; however, the Bureau kept the Municipal and Industrial (M&I) allocation at 75% of historic M&I. Earlier this year, on April 23, 2024, the California Department of Water Resources increased the State Water Project (SWP) allocation from 30% to 40% of contract amount for 2024. On June 13, 2023, the Board of Directors adopted a resolution to support water conservation as a way of life and an ordinance with a set of permanent water waste prohibitions for Santa Clara County.
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| Water Tracker October 2024_0.pdf | 173.2 KB |
Weather
- Rainfall in Santa Clara County
- Month of September, City of San José: 0 inches
- Rainfall year total = 0 inches (rainfall year is July 1 to June 30)
- San José average daily high temperature was 84 degrees Fahrenheit in September, which is lower than the five-year average for September (82.2 degrees Fahrenheit)
Local Reservoirs
Current local reservoir storage
- Total October 1 storage = 44,421 acre-feet
- Approximately 83 acre-feet of imported water was delivered into Calero Reservoir during September 2024
- Total estimated releases to streams (local and imported water) during September were 5,540 acre-feet (based on preliminary hydrologic data)
Groundwater
Groundwater conditions remain healthy throughout the county. Groundwater levels in most of the regional monitoring wells are lower than or equal to last month as typical seasonal declines continue. While about half of the water levels are lower relative to September 2023, most are higher than the prior five-year average for September. The end of 2024 groundwater storage is projected to be in Stage 1 (Normal) of the Water Shortage Contingency Plan
Imported Water
- In September (through September 29th), the SWP operated Banks pumping plant with an average daily export of 10,775 acre-feet, resulting in a total export of 312,477 acre-feet from the Sacramento-San Joaquin Delta for the month
- In September (through September 29th), the CVP operated Jones pumping plant with an average daily export of 7,618 acre-feet, resulting in a total export of 220,917 acre-feet from the Sacramento-San Joaquin Delta for the month
- Multiple fish protection thresholds and outflow requirements were triggered at the Sacramento-San Joaquin Delta export facilities this winter/spring. Project facilities, including delta exports, were operated to maintain water quality requirements in the delta for the month of September
Click here to find the State-Wide Reservoir Storage map and table
Treated Water
- Below average demands of 9,875 acre-feet were delivered in September
- This total is 98% of the five-year average for the month of September
- Year-to-date deliveries are 63,090 acre-feet or 85% of the five-year average
Conserved Water
- Saved 83,174 acre-feet in FY23 through Valley Water’s long-term conservation program (baseline year is 1992)
- Long-term program goal is to save nearly 100,000 acre-feet by 2030, 110,000 acre-feet by 2040, and 126,000 acre-feet by 2050
- On June 13, 2023, the Board of Directors adopted a resolution to support water conservation as a way of life in Santa Clara County and an ordinance with a set of permanent water waste prohibitions
Recycled Water
- Estimated September 2024 production = 1,834 acre-feet
- Estimated year-to-date through September = 13,805 acre-feet or 103% of the five-year average
- Silicon Valley Advanced Water Purification Center produced an estimated 1.5 billion gallons (4,493 acre-feet) of purified water in 2023. Since the beginning of 2024, about 4,035 acre-feet of purified water has been produced. The purified water is blended with existing tertiary recycled water for South Bay Water Recycling Program customers