Larkspur Marina Dredging Project Episode 2 (Notification of Lake or Streambed Alteration, No. EPIMS-MAN-41465-R3)


SCH Number
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Document Title
Larkspur Marina Dredging Project Episode 2 (Notification of Lake or Streambed Alteration, No. EPIMS-MAN-41465-R3)
Document Type
NOE - Notice of Exemption
Document Description
The Project is limited to dredging mud of the Larkspur Marina using a barge mounted clamshell dredge or excavator, which will then be immediately loaded into scows or barges and disposed of at sites approved by the Dredged Material Management Office. The design dredging depth of channels is -5 feet mean lower low water (MLLW), plus a 2-foot overdredge allowance and the design dredging depth of berthing areas is -3 feet MLLW, plus a 2-foot overdredge allowance, however portions of the dredge area may be dredged to shallower depths based on budget and area use. In total, approximately 9 acres and 6,100 linear feet will be dredged to remove approximately 150,000 cubic yards (cy) of accumulated sediment. The first dredging event in 2024 will remove up to 40,000 cy of sediment. Future dredging events will be one major dredge episode of up to 60,000 cy and one or two minor episodes of up to 20,000 to 40,000 cy.

Contact Information

Alex Single
Agency Name
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency


Northern California, San Francisco Bay Area
Other Location Info
The Project is located at the Larkspur Marina on portions of Corte Madera Creek, Lucky Creek, and Larkspur Channel in the town of Larkspur, County of Marin, State of California; Latitude 37.94198 °N, Longitude -122.523565 °W.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 4; California Code of Regulations, title 14, section 15304, subdivision (g
Reasons for Exemption
The project consists of minor public or private alterations in the condition of land, water, and/or vegetation which do not involve removal of healthy, mature, scenic trees; specifically the project consists of maintenance dredging where the spoil is deposited in a spoil area authorized by all applicable state and federal regulatory agencies.
County Clerk


Notice of Exemption

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