Wilson-Alden Vineyard Restoration Project (Notification of Lake or Streambed Alteration, No. EPIMS-SON-61903-R3)
Summary
SCH Number
2026040342
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3
(CDFW)
Document Title
Wilson-Alden Vineyard Restoration Project (Notification of Lake or Streambed Alteration, No. EPIMS-SON-61903-R3)
Document Type
NOE - Notice of Exemption
Received
Posted
4/8/2026
Document Description
The California Department of Fish and Wildlife (CDFW) has executed Lake and Streambed Alteration Agreement EPIMS Notification No. EPIMS-EPIMS-SON-61903-R3, pursuant to Section 1602 of the Fish and Game Code to Mazzocco Winery.
The project is limited to removing and regrading unauthorized areas of vineyard development to remediate and restore stream channels and connected wetlands. The project also includes removal and replacement of two unapproved culverts with appropriately sized and aligned culverts. The existing culverts to be removed include a 24-inch diameter, 29-foot-long corrugated metal pipe (CMP) culvert and a 24-inch diameter, 20-foot-long CMP culvert. The replacement culverts will include a 48-inch diameter, 40-foot-long CMP culvert and a 48-inch diameter, 20-foot-long CMP culvert. Installation of the replacement culverts will include placement of new riprap at the inlets and outlets. Impacts on streams and connected wetlands that are not being restored in-place will be offset with on-site restoration. In addition to the 2,706 square feet permanently impacted by the unauthorized vineyard development, the project will result in permanent impacts to approximately 235 square feet of riparian habitat from installation of new riprap around replacement culverts and approximately 11 linear feet from the installation of a replacement culvert that is longer than the existing culvert. No temporary impacts to riparian habitat will occur as the habitat was already removed as part of the unauthorized work described above. No trees will be removed as part of this project. Access and staging will occur in existing vineyard roads and already developed staging areas.
Contact Information
Name
James Hansen
Agency Name
CA Department of Fish and Wildlife
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Antione Favero
Agency Name
Mazzocco Winery
Job Title
Manager
Contact Types
Parties Undertaking Project
Phone
Email
Location
Coordinates
Cities
Cloverdale
Counties
Sonoma
Regions
San Francisco Bay Area
Parcel #
117-120-014
Other Location Info
The project is located at five unnamed tributaries to Big Sulphur Creek, in an unincorporated area of the County of Sonoma, State of California; Latitude 38.80167°, Longitude -122.94250°; 26024 River Road, Cloverdale, CA, 95425; Assessor’s Parcel Number 117-120-014.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 33; California Code of Regulations, title 14, section 15333
Reasons for Exemption
Consists of a project not exceeding five acres in size to assure the maintenance, restoration, enhancement, or protection of habitat for fish, plants, or wildlife.
County Clerk
Sonoma
Attachments
Notice of Exemption
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