KJS and Sorrento Vineyard Conversion Erosion Control Plan Application (ECPA) #P17-00432

Summary

SCH Number
2018092042
Lead Agency
Napa County
Document Title
KJS and Sorrento Vineyard Conversion Erosion Control Plan Application (ECPA) #P17-00432
Document Type
NOP - Notice of Preperation
Received

Document Description
The project proposes vegetation removal and earthmoving activities on slopes greater than 5 % in connection with the development of 111.5 net acres of vineyard within 156.8 gross acres on a 972.8-acre project site. Proposed activities associated with vineyard development include removing vegetation within the proposed clearing limits, ripping, rock removal, soil cultivation, seeding a cover crop, mulching, trenching for irrigation pipelines, installing a trellis system and deer fence, laying out vine rows, and installing temporary and permanent erosion control measures. The proposed project includes Petitions for Change on Water Right License 9125 (Application 13943) and Permit 18459 (App 26165), which are pending review and processing with the SWRCB, Division of Water Rights. The petitions request an expansion of the place of use to 280 acres (which includes the existing vineyards on the project site as well as the proposed vineyards); the construction of a new 48-acre-ft capacity offstream reservoir; and the construction of a new diversion structure in Elder Creek. Existing Matheson Reservoir would be the point of diversion by collection to storage and a point of rediversion to an existing offstream pond just south of Matheson Reservoir, and the offstream pond would be a point of rediversion from Matheson Reservoir, allowing for the transfer of water between the points of diversion, reservoirs and pond. The project also includes the ongoing maintenance of erosion control measures and operations of approx 4.3 acres of existing vineyards, converted from grassland in 2015 w/o benefit of an ECPA. These vineyard areas are located within two larger vineyard blocks totaling 17.4 acres, all of which occur on lands with a slope of 5% or less and therefore, are not subject to an ECPA pursuant to NCC section 18.108.070(B) except for the aforementioned 4.3 acres occurring on slopes over 5%. Accordingly, the vineyard development area requiring ECPA coverage pursuant to NCC Section 18.108.070(B) will be included in this project.

Contact Information
Donald Barrella
Napa County
1195 Third Street, Room 210
Napa, CA 94559

707-229-1338

Location

Coordinates
38°30'27.38"N 122°16'35.50"W
Cities
St. Helena
Counties
Napa
Cross Streets
Sage Canyon Rd
Zip
94574
Total Acres
156.8
Parcel #
025-270-022, -025
State Highways
128
Waterways
Elder Creek
Township
8N
Range
4W
Section
22,26,
Base
MDBM

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Vineyard - 156.8 gross acres)
Local Action
Other Action Other Action: ECP
Project Issues
Other Issues Cumulative Effects Landuse Growth Inducing Wetland/Riparian Water Supply Water Quality Vegetation Tribal Cultural Resources Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Sewer Capacity Septic System Schools/Universities Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Forest Land/Fire Hazard Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual Other Issues: GHG
Reviewing Agencies
Caltrans, District 4 Native American Heritage Commission Cal Fire California Department of Parks and Recreation Department of Conservation Department of Fish and Wildlife, Region 3 Department of Pesticide Regulation Department of Water Resources Regional Water Quality Control Board, Region 2 Resources Agency State Lands Commission State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Water Rights
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