Monthly Water Tracker

As of March 1, 2025

On February 25, 2025, the California Department of Water Resources announced an increase in State Water Project (SWP) allocation from 20% to 35% of contract amount for 2025. On the same day, the U.S. Bureau of Reclamation announced an initial 2025 south-of-delta Central Valley Project (CVP) allocation of 75% of historic Municipal and Industrial (M&I) use and a 35% agricultural allocation.

Weather

• Rainfall in Santa Clara County
  • Month of February, City of San José: 3.19 inches
  • Rainfall year total = 7.32 inches or 71% of average to date (rainfall year is July 1 to June 30)
• March 1, 2025, Northern Sierra snowpack was 90% of normal for this date

Local Reservoirs

Current local reservoir storage

• Total March 1 storage = 53,158 acre-feet
  

• Approximately 56 acre-feet of imported water was delivered into Calero Reservoir during February 2025
• Total estimated releases to streams (local and imported water) during February were 14,860 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 higher than last month due to normal, seasonal increases. While most of the water levels are lower relative to February 2024, all except one are higher than the prior five-year average for February. The end of 2025 groundwater storage is projected to be in Stage 1 (Normal) of the Water Shortage Contingency Plan

Imported Water

• In February (through February 28th), the SWP operated Banks pumping plant with an average daily export of 4,662 acre-feet, resulting in a total export of 130,523 acre-feet from the Sacramento-San Joaquin Delta for the month
• In February (through February 28th), the CVP operated Jones pumping plant with an average daily export of 8,180 acre-feet, resulting in a total export of 229,028 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 past month. Project facilities, including delta exports, were operated to maintain flow requirements and water quality standards in the delta for the month of February
  

Click here to find the State-Wide Reservoir Storage map and table

Treated Water

• Below average demands of 3,700 acre-feet were delivered in February
• This total is 77% of the five-year average for the month of February
• Year-to-date deliveries are 8,220 acre-feet or 84% 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 February 2025 production = 855 acre-feet
• Estimated year-to-date through February = 1,589 acre-feet or 100% of the five-year average
• Silicon Valley Advanced Water Purification Center produced an estimated 1.6 billion gallons (4,950 acre-feet) of purified water in 2024. Since the beginning of 2025, about 447 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