Thayer Slope Failure Repairs (Notification of Lake or Streambed Alteration, EPIMS Notification No. SON-14876-R3)
Summary
SCH Number
2021040590
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3
(CDFW)
Document Title
Thayer Slope Failure Repairs (Notification of Lake or Streambed Alteration, EPIMS Notification No. SON-14876-R3)
Document Type
NOE - Notice of Exemption
Received
Posted
4/26/2021
Document Description
The project is limited to the stabilization of an approximately 100-foot-long bank slope failure between a residence and the Russian River. The slope will be regraded, and stabilization will occur by installing a keyway and sub drains to redirect drainage away from the regraded bank slope. The keyway will be located approximately 45-feet from the edge of the river and approximately 100-feet long, eight feet wide, and four to six feet deep. The keyway will include a subdrain composed of drain rock and a permeable drainage pipe and will be backfilled with native materials.
Contact Information
Name
James Hansen
Agency Name
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Counties
Sonoma
Regions
San Francisco Bay Area
Cross Streets
21998 Moscow Road, Monte Rio
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15333
Reasons for Exemption
Project is substantial similar to a small habitat restoration.
Attachments
Notice of Exemption
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