Silvergate Tunnel Abandonment Project
6 Documents in Project
Summary
SCH Number
2014041071
Lead Agency
San Diego Unified Port District
Document Title
Silvergate Tunnel Abandonment Project
Document Type
NOD - Notice of Determination
Received
Posted
12/11/2025
Document Description
The project includes the permanent abandonment and stabilization of approximately 1,000 LF of decommissioned dual underground cooling tunnels, located approximately 20 ft below ground at BAE Systems in San Diego, CA. The project involves partial demolition and abandonment of the concrete intake and discharge structures and bulkhead walls, as well as installation of reinforced concrete bulkheads and placement of rock revetment to match existing. The tunnels would be backfilled in place.
Contact Information
Name
Megan Hamilton
Agency Name
San Diego Unified Port District
Job Title
Senior Planner
Contact Types
Lead/Public Agency
Phone
Location
Cities
San Diego
Counties
San Diego
Regions
Southern California
Other Information
2205 Belt Street, San Diego, CA 92113
Notice of Determination
Approving Agency
San Diego Unified Port District
Approving Agency Role
Lead Agency
Approved On
County Clerk
San Diego
Final Environmental Document Available at
https.//www portofsandiego.org/public-records/port-updates/notices-disclosures/ceqa-documents
Determinations
(1) The project will have a significant impact on the environment
Yes
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
Yes
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
Yes (Addendum)
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
Disclaimer: The Governor’s Office of Land Use and Climate Innovation (LCI) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. For more information, please visit LCI’s Accessibility Site.