• Napa - Lake Hennessey (31,000 AF - acre-feet) and Milliken Reservoir (1,400 AF)
• Yountville - Rector Reservoir (4,500 AF) and Well
• St. Helena - Bell Canyon Reservoir (2,350 AF)
• Calistoga - Kimball Reservoir (275 AF)
• Other municipal supplies include imported water (State Water Project), groundwater, and recycled wastewater

• Napa County FCWCD has 29,025 AF of SWP entitlement
• Napa County FCWCD subcontracts with the Cities of American Canyon, Napa and Calistoga
• Allocations vary annually
• Delta issues are raising concerns about reliability

• Groundwater primarily
• Surface water (diversion/storage)
• Limited Lake Berryessa use
• Some areas receive water and recycled water from municipalities
• Recycled water deliveries to Milliken, Sarco, Tulucay (MST) area and Carneros area

• American Canyon - 4,000 AF
• Napa - 15,500 AF
• Yountville - 600 AF
• St. Helena - 2,000 AF
• Calistoga - 820 AF
• TOTAL - about 23,000 AF

• Agricultural Demands - 32,000 AF
• Winery Demands - 1,300 AF
• Rural Residential Demands - 3,500 AF
• Improved Open Space - 2,800 AF
• Total - 39,600 AF, met by:
  • groundwater (31,700 AF),
  • surface water (7,000 AF), and
  • recycled water (900 AF)

From 2050 Water Resources Study 

• North Bay Aqueduct Alternative Intake Studies
• Participation in Delta Habitat Conservation and Conveyance Program
• County Comprehensive Groundwater Monitoring Program Development
• Implementation of the Sustainable Groundwater Management Act
• North Bay Water Reuse Authority Program (water recycling)
• Water Conservation Programs

• Increased competition for available supplies
• Preservation of imported water supplies and related costs
• Preservation and management of groundwater supplies
• Challenges during drought conditions
• Climate Change effects on local and regional supplies