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 78,733 cubic yards of material from in front of Dry Dock #2, Dry Dock #3, Dry Dock #4, and material within Berths 13 and 15. Dredge depth in front of the caissons at Dry Dock #2 and Dry Dock #3 will be to -32 feet mean lower low water (MLLW) with a 2-foot over-dredge allowance; dredging in Berth 13 will be to -28 feet MLLW with a 2-foot over-dredge allowance, and at Berth 15 to -26 feet MLLW with a 2-foot over-dredge allowance. All dredge spoils will be moved via a dredging barge with an 8 cubic yard offloading bucket to Cullinan Ranch for reuse. Issuance of a Streambed Alteration Agreement No. 1600-2014-0211-R3 is pursuant to Fish and Game Code Section 1602.

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

Phone : (707) 944-5568



Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
S:15301,15304, Class 1, 4
Reasons for Exemption
Operation, repair, maintennace of an existing facility involving negligible or no expansion of use.

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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