Mirabel Water Diversion Structure Routine Maintenance (Notification of Lake or Streambed Alteration, No. EPIMS-SON-49829-R3)
Summary
SCH Number
2025020811
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3
(CDFW)
Document Title
Mirabel Water Diversion Structure Routine Maintenance (Notification of Lake or Streambed Alteration, No. EPIMS-SON-49829-R3)
Document Type
NOE - Notice of Exemption
Received
Posted
2/24/2025
Document Description
The California Department of Fish and Wildlife has executed Lake and Streambed Alteration Agreement EPIMS Notification No. EPIMS-SON-49829-R3, pursuant to Section 1602 of the Fish and Game Code to Sonoma County Water Agency.
The Project is limited to routine maintenance activities, which are defined as activities that are scheduled and implemented as necessary to maintain the functionality of the Mirabel water diversion structure, including the inflatable dam, fish ladder, and intakes. In summary these activities include:
1) Removal of approximately 4,050 square feet and 600 cubic yards of gravel per project that is deposited on top of and adjacent to the inflatable dam with an excavator and dump trucks, only in areas that are not inundated by the active flow of the Russian River.
2) Maintenance of a 200-foot-long temporary westside access route from an existing service road to the Russian River including recurring removal of herbaceous vegetation and minor trimming of willow (Salix sp.) trees, and an existing 20-foot-long temporary eastside access route from an existing service road to the Russian River including recurring removal of herbaceous vegetation.
3) Installation of erosion control measures along the temporary access routes and revegetation of the route with a native seed mix.
Routine maintenance does not include: 1) any activities other than the activities described above, and 2) the removal or damage of riparian vegetation except as described in this Agreement.
Contact Information
Name
James Hansen
Agency Name
CA Department of Fish and Wildlife
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Sonoma County Water Agency
Agency Name
Party Undertaking Project
Job Title
Please contact James Hansen, CDFW ES
Contact Types
Parties Undertaking Project
Phone
Location
Coordinates
Cities
Forestville
Counties
Sonoma
Regions
San Francisco Bay Area
Parcel #
110-310-005
Other Location Info
The project is located at the Russian River, in the County of Sonoma, State of California; Latitude 38.500161°, Longitude -122.885855°; 10290 Westside Road, Forestville, CA, 95436; Assessor’s Parcel Number 110-310-005.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1; California Code of Regulations, title 14, section 15301
Reasons for Exemption
Project consists of maintenance of existing public structures and facilities involving negligible or no expansion of existing or former use.
County Clerk
Sonoma
Attachments
Notice of Exemption
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