Georgia Pacific Gypsum Antioch Wharf Upgrade Project

4 Documents in Project


SCH Number
Lead Agency
California State Lands Commission
Document Title
Georgia Pacific Gypsum Antioch Wharf Upgrade Project
Document Type
MND - Mitigated Negative Declaration
Document Description
Georgia Pacific Gypsum, LLC proposes to upgrade its Antioch Wharf on the San Joaquin River in Antioch. The Project would include the following: 1) Remove five existing timber breasting and mooring dolphins and two wooden walkways; 2) Install four new 72-inch-diameter hollow-core steel monopiles (each with a cone fender system) driven to about 65 feet below the mudline, and nine new walkway segments (connecting the new mooring dolphins) supported by six 24- to 30-inch-diameter steel-pipe piles driven to about 40 to 50 feet below the mudline; and 3) Repair one timber piling and 12 stringers on the wharf. All activities would be carried out from offshore (no uplands) over an approximate 8-week construction period.

Contact Information

Afifa Awan
Agency Name
California State Lands Commission
Contact Types
Lead/Public Agency


Contra Costa
Cross Streets
Minaker Drive and Wilbur Avenue
Total Acres
Parcel #
065-20-008-2 submerged
State Highways
Antioch Bridge
Cornerstone Christian
San Joaquin River and Sacramento River

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Parks and Recreation, California Department of State Parks, Division of Boating and Waterways, California Department of Transportation, District 4 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), Delta Protection Commission, Delta Stewardship Council, Department of Fish and Wildlife, Marine Region, Department of Water Resources, Resources Agency, California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB)
State Reviewing Agency Comments
California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB)
Development Types
Other (wharf upgrade)
Local Actions
State Lease
Project Issues
Aesthetics, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Noise, Recreation, Vegetation, Wetland/Riparian, GHGs and Fisheries

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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