Mare Island Dry Dock Maintenance Dredging


SCH Number
Lead Agency
Fish & Wildlife 3 (Napa) (California Department of Fish and Wildlife, Region 3)
Document Title
Mare Island Dry Dock Maintenance Dredging
Document Type
NOE - Notice of Exemption

Document Description
The project is limited to clamshell bucket dredging to remove accumulated sediment. A clamshell bucket barge-mounted dredge will approach the site via the Mare Island Strait. Dredging will remove approximately 49,226 cubic yards of material from in front of Dry Dock #2, 3, 4 and materials from Berths 12, 13, and 15. All dredged material will be offloaded via a dredging barge with an 8 cubic yard offloading bucket to Cullinan Ranch or suitable upland site for reuse.

Contact Information
Suzanne Gilmore
California Department of Fish and Wildlife, Region 3
7329 Silverado Trail
Napa, CA 94558




Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
S:15301,15304 C:1,4
Reasons for Exemption
The project qualifies as a Categorical Exemption, 15301, for "Maintenance dredging where the spoil is deposited in a spoil area authorized by all applicable state and federal regulatory agencies." If further qualifies as Class 1 Existing Facilities Categorical Exemption, 15301 which consists of the operation, repair, and maintenance of an existing facility involving negligible or no expansion of use.
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