California Regional Water Quality Control Board, San Francisco Bay Region 2
Sediment Remediation Project, Piers 39 to 43.5
MND - Mitigated Negative Declaration
Present Land Use
Community Business (C-2), Plaza and Park (P)
The San Francisco Bay Regional Water Quality Control Board (Water Board) Sediment Remediation Project, Piers 39 to 43½ (Project) entails the remediation of offshore sediment at Piers 39 to 43½ (the Project Area) within the Port of San Francisco. Since 2016, Pacific Gas & Electric (PG&E) has investigated the nature, distribution, and extent of sediment contamination within the Project Area. Some sediments contain elevated concentrations of polycyclic aromatic hydrocarbons (PAHs), which are chemicals found in petroleum and in byproduct waste formed from Manufactured Gas Plant operations. Impacts in sediments occur close to the shoreline and extend bayward in five areas within the Project Area. A Feasibility Study/Remedial Action Plan (FS/RAP) details the planned cleanup of offshore Bay sediments.
The Project Area encompasses Pier 39 and the intertidal and subtidal area between Pier 39 and Pier 43½ along the margin of San Francisco, extending into the Bay to the north of The Embarcadero, approximately between Taylor and Kearny Streets. The bayward limits of the Project Area extend approximately 1,000 feet offshore. The Project Area includes a small craft marina; multiple piers housing vessels for bay excursions, cruises, sailing, fishing, and ferry operations; and a high concentration of visitor-related commercial development (shops and restaurants). The adjacent upland area consists of densely developed commercial areas including parking lots, hotels, shops, restaurants, pedestrian and bicycle pathways, a playground, and some park areas.
The purpose of the proposed Project is to remediate (i.e., clean up) sediments impacted (i.e., contaminated) with PAHs within the Project Area to protect human health and the environment. The recommended remedial alternative proposes dredging to remove contaminated sediment and capping to prevent exposure to sediments that might pose risk through bioaccumulation. Placement of armoring where necessary during capping would protect installed sand caps or existing sediment from scour or disturbance that might expose sediment with elevated PAH concentrations. Dredged sediment will be placed in and transported by barge to Pier 96 on the southern San Francisco waterfront, offloaded, and dried sediment for transportation to a licensed landfill. Material staging will occur at Pier 96 as well.
San Francisco Bay Regional Water Quality Control Board
Piers 39 to 43½ within San Francisco Bay (bayward of the Embarcadero)
101, I-80, CA-1
See NOC Attachment A
San Francisco Bay
See NOC Attachment A
Notice of Completion
State Review Period Start
State Review Period End
Other (Remediation (Piers 39 to 43½ within San Francisco Bay))
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Energy, Geology/Soils, Greenhouse Gas Emissions, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Wetland/Riparian, Wildfire
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Fish and Wildlife, Marin Region 7 (CDFW), California Department of Parks and Recreation, California Department of Resources Recycling and Recovery, California Department of State Parks, Division of Boating and Waterways, California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California State Lands Commission (SLC), Department of Toxic Substances Control, Office of Historic Preservation, San Francisco Bay Conservation and Development Commission (BCDC), State Water Resources Control Board, Division of Water Quality
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