Krupp Brothers Winery Use Permit Application No. P11-00348 and Conservation Regulations Stream Setback Exception No. P11-00495

3 Documents in Project


SCH Number
Lead Agency
Napa County Resource Conservation District
Document Title
Krupp Brothers Winery Use Permit Application No. P11-00348 and Conservation Regulations Stream Setback Exception No. P11-00495
Document Type
NEG - Negative Declaration

Document Description
Use Permit to establish a new 50,000 gallon per year winery with: 1.) a +/- 13,675 sf two level (one story plus a cellar) production building; 2.) a +/- 675 sf covered crushpad; 3.) conversion of a +/-4,525 sf existing residence into a winery hospitality and administration building with a commercial kitchen; 4.) up to 10 employees; 5.) 25 parking spaces (including 2 ADA-accessible spaces); 6.) by-appointment tours and tastings including food/wine pairings with a maximum of 124 and an average of 60 visitors per day; 7.) hours of operation from 8 am to 6 pm, daily; 8.) Evans Bill (AB2004) on-premise consumption at the proposed hospitality building entry courtyard; 9.) an annual marketing plan with 105 24-person events, eight 75-person events, and two 125-person events annually (excepting the days on which 125-person marketing events occur, combined tours and tastings and marketing event visitation will not exceed 124 persons on any day); 10.) new winery domestic and process wastewater treatment and disposal systems; 11.) a 12 foot tall 50,000 gallon recycled water holding tank and a 12 foot tall 40,000 gallon fire-flow and domestic water tank; 12.) grading including 3,300 cubic yards of net cut, with spoils disposed of on site; 13.) abandonment of the existing residential driveway and construction of a relocated 18 foot wide winery access drive; 14.) demolition of the existing Hardman Creek bridge and construction of a new 20 foot wide bridge in roughly the same location; 15.) construction of a 4 to 7 foot tall stone wall and entry structure, partially within the Silverado Trail right-of-way; 16.) installation of a southbound Silverado Trail center left-turn lane at the proposed winery driveway; and 17.) a landscape and Hardman Creek stream restoration plan. Conservation Regulations exception to allow encroachment within required setbacks from Hardman Creek (85 feet required, 38 feet proposed).

Contact Information
C.M. Cahill
Napa County Dept. of Conservation, Dev. and Planning
1195 3rd Street, Suite 210
Napa, CA 94559

707 253 4847


Cross Streets
Silverado Trail & Soda Canyon Road
Total Acres
Parcel #
State Highways
Hwy 29, 121
Hardman Creek, Milliken Creek, Napa River

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Winery)
Local Action
Use Permit
Project Issues
Cumulative Effects Wetland/Riparian Vegetation Traffic/Circulation Soil Erosion/Compaction/Grading Septic System Flood Plain/Flooding Agricultural Land
Reviewing Agencies
California Department of Parks and Recreation California Highway Patrol Caltrans, District 4 Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Regional Water Quality Control Board, Region 2 Resources Agency
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