Harcross Winery and Vineyard, Use Permit #P23-00105-UP, Viewshed Protection Program #P25-00031-VIEW, and Agricultural Erosion Control Plan #P23-00325-ECPA

Harcross Winery and Vineyard, Use Permit #P23-00105-UP, Viewshed Protection Program #P25-00031-VIEW, and Agricultural Erosion Control Plan #P23-00325-ECPA

Approval of a Use Permit to allow a new winery with an annual production capacity of 5,000 gallons per year with the following characteristics: a. Construction of a new 8,496 sq. ft. winery facility containing 6,477 sq. ft. of production space and 2,019 sq. ft. for accessory uses, including a commercial kitchen; b. Removal of 0.5 acres of woodland habitat, and the planting/preservation of 1.5 acres of woodland canopy on the project parcel in conformance with the Viewshed Protection Program and Conservation Regulations; c. Excavation of approximately 5,780 cubic yards of spoils associated with the construction of structural pads; d. Onsite parking for 4 vehicles; e. Up to four (4) full-time employees, one (1) part-time employee; f. On-site domestic and process wastewater treatment systems; g. Hours of operation seven days a week: production 7:00 AM to 6:00 p.m., visitation 10:00 a.m. to 4:00 p.m. and marketing events 10:00 a.m. to 10:00 p.m. (including cleanup); h. Tours and tastings by appointment only for a maximum of 14 visitors per day with a maximum of 98 visitors per week; i. Establishing a marketing program, which may include catered events, as follows; - Ten (10) Wine Release/Wine Club Events annually for up to 24 guests; - One (1) Large Event annually for up to 50 guests (including bus/shuttle transportation for guests); j. On-premises consumption of wines produced on-site within the outdoor hospitality areas identified on Sheet UP2.2 and UP6.2 of the Site Plans, prepared by Nobili Marques Arquitectura, dated December 18, 2023, in accordance with Business and Professions Code Sections 23358, 23390 and 23396.5 (AB 2004); and k. Driveway expansion and construction to meet commercial standards, landscaping, and other improvements associated with wineries. l. Approval of an Agricultural Erosion Control Plan for the installation and maintenance of erosion and runoff control measures for the development and subsequent operation of approximately 3-acres of new vineyard (±2.5 net plated acres) with the following characteristics: i. Earthmoving and grading activities that include vegetation and tree removal, soil ripping (maximum depth of 48 inches), grading of approximately 500 cubic yards of cut and fill (balanced on-site) for land contouring, rock removal, disking, and the development or erosion control measures. ii. Temporary erosion control measures that include cover crop, straw wattles, erosion control blankets, and application of straw mulch at a rate of 3,000 lbs. per acre. iii. Permanent erosion and runoff control measures that include cross slope diversion ditches and subsurface drainlines to an existing level spreader, outsloped vineyard avenues, water bars and rolling dips, and establishment of a permanent no-till cover crop maintained at a minimum vegetation cover density of 80%: vineyard avenues will also maintain a minimum cover density of 80%. iv. Installation of vineyard trellis and irrigation system, and planting rootstock on a 6-foot by 4-foot spacing pattern for a vine density of 1,815 vines per acre: the vineyard irrigation source would be from the existing onsite well. v. Ongoing operation and maintenance of the vineyard, which includes vine management (pruning, fertilization, and pest and disease control), weed control, cover crop mowing, irrigation and trellis system maintenance, and fruit harvesting. The management regime of the no-till cover crop would consist of mowing and late winter or early springtime strip spraying in an 18-inch-wide strip by contact or systemic herbicides: no pre-emergent spraying would be utilized as part of cover crop management.

Yountville

Napa

Northern California, San Francisco Bay Area, Unincorporated

California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Resources Recycling and Recovery, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Fish and Game Commission (CDFGC), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California State Coastal Conservancy (SCC), Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Drinking Water, District 3, State Water Resources Control Board, Division of Water Quality, State Water Resources Control Board, Division of Water Rights, State Water Resources Control Board, Divison of Financial Assistance, California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)

California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)

Commercial (Winery (annual production capacity of 5,000 gallons per year))(Sq. Ft. 8496, Acres 51, Employees 5)

Use Permit

Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Energy, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Solid Waste, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation, Wetland/Riparian, Wildfire