As of November 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.
| Attachment | Size |
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| Water Tracker November 2024.pdf | 173.31 KB |
Weather
- Rainfall in Santa Clara County
- Month of October, 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 83.2 degrees Fahrenheit in October, which is lower than the five-year average for October (78 degrees Fahrenheit)
Local Reservoirs
Current local reservoir storage
- Total November 1 storage = 38,715 acre-feet
- Approximately 235.4 acre-feet of imported water was delivered into Calero Reservoir during October 2024
- Total estimated releases to streams (local and imported water) during October were 5,700 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 last month as typical seasonal declines continue. While most of the water levels are lower relative to October 2023, all except one are higher than the prior five-year average for October. The end of 2024 groundwater storage is projected to be in Stage 1 (Normal) of the Water Shortage Contingency Plan
Imported Water
- In October (through October 29th), the SWP operated Banks pumping plant with an average daily export of 7,909 acre-feet, resulting in a total export of 229,356 acre-feet from the Sacramento-San Joaquin Delta for the month
- In October (through October 29th), the CVP operated Jones pumping plant with an average daily export of 6,636 acre-feet, resulting in a total export of 192,430 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 October
Click here to find the State-Wide Reservoir Storage map and table
Treated Water
- Above average demands of 9,294 acre-feet were delivered in October
- This total is 102% of the five-year average for the month of October
- Year-to-date deliveries are 72,379 acre-feet or 86% 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 October 2024 production = 1,578 acre-feet
- Estimated year-to-date through October = 15,404 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 4,552 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