DUCKHORN WINE COMPANY / DUCKHORN VINEYARDS
WINERY / USE PERMIT MAJOR MODIFICATION (P19-00097-MOD)
A.
CEQA Status: Consideration and possible adoption of a Mitigated
Negative Declaration. According to the proposed Mitigated Negative
Declaration, the proposed project would not have any potentially
significant environmental impacts after implementation of mitigation
measures. Mitigation measures are proposed for the following areas:
Biological Resources and Cultural Resources. The project site is not
included on a list of hazardous materials sites compiled pursuant to
Government Code Section 65962.5.
Request: Approval of a Use Permit Major Modification to an existing
160,000 gallon per year winery to allow the following: 1) construction of a
58,042 sq. ft. facility (‘West Winery’) on the West Property (APN
022-100-033) containing 54,722 sq. ft. of production space and 3,320 sq.
ft. of office and accessory uses, a 90,000 gallon fire protection water tank,
two 158,000 gallon irrigation storage water tanks, a 24,000 gallon
domestic water tank, landscaping, driveways, and other winery
improvements; 2) construction of a 8,839 sq. ft. expansion to the existing
Estate House on the East Property (APN 022-130-010) for a total floor
space of 18,162 sq. ft.. At build out the Estate House will consist of
17,810 sq. ft. of accessory space and 352 sq. ft. of production space; 3)
removal of the existing combined process and sanitary wastewater system
on the East Property and the development of separate process and sanitary
wastewater systems on both the East and West Properties connected
through Directional Boring under the Napa River; 4) increase onsite
parking spaces from 68 to 96; 5) demolition of the existing Tank Shed,
Chais 1, 2, 3 & 4 on the East Property; 6) demolition of a single family
residence (Red House), portions of the existing gravel driveway and other
agricultural and single-family dwelling improvements on the West
Property and APN 022-100-034; 7) conversion and expansion of a 16,900
sq. ft. agricultural pond on the West Property to a 20,300 sq. ft.
bio-retention pond; 8) removal of approximately 3.55 acres of vineyard on
the West Property; 9) removal of approximately 49 trees; 10) increase in
maximum annual permitted wine production from 160,000 gallons to
300,000 gallons; 11) increase the existing daily “By Appointment” Tours
and Tastings of 82 visitors and voluntarily abandon the winery’s existing
pre-Winery Definition Ordinance (WDO) entitlement of 50 visitors per
week (no more than 30 on the busiest day) for “Public Tours and Tastings”
for a total of 219 daily visitors for By Appointment Tours and Tastings
(110 visitors per day for Tours and Tastings without food, 109 per day for
Tours and Tastings with food); 12) modification of the existing Marketing
Plan allowing Private Tours and Tastings events for up to 20 guests 120
times annually, Wine with Food Pairings events for up to 25 guests 36
times annually, Large events for up to 600 guests twice annually, and
Auction-related events for up to 250 guests twice annually as follows: 200
Private Tours and Tastings annually for up to 20 guests, 40 Wine with
