San Pablo Dam Seismic Upgrade

6 Documents in Project


SCH Number
Lead Agency
East Bay Municipal Utility District (EBMUD)
Document Title
San Pablo Dam Seismic Upgrade
Document Type
EIR - Draft EIR
Present Land Use
Contra Costa County designates the project area as watershed lands, with General Agriculture District and Exclusive Agriculture Distract Zones.
Document Description
The purpose of the San Pablo Dam Seismic Upgrade Project is to improve the embankment and foundation soils downstream of the Pablo Dam to withstand shaking generated by the maximum credible earthquake on the Hayward-Roger Creek fault without significant strength loss, to limit permanent deformation or settlement at the dam crest to acceptable levels, and to prevent damage to the outlet works, thereby ensuring that the risk of flooding to downstream communities after a seismic event is significantly minimized. The proposed project involves using large, multiple auger equipment to inject and mix cement grout into portions of the dam foundation material, and the construction of a larger buttress fill on the downstream face of the dam.

Contact Information

Harvey Hanoian
Agency Name
East Bay Municipal Utility District
Contact Types
Lead/Public Agency


Orinda, Richmond, San Pablo
Contra Costa
Cross Streets
San Pablo Dam Road
Total Acres
State Highways
Olinda Elem
San Pablo Reservoir, Various Creeks

Notice of Completion

Review Period Start
Review Period End
Development Types
Water Facilities (Type Dam, MGD 38,600A/F)
Local Actions
Project Issues
Aesthetics, Air Quality, Biological Resources, Cultural Resources, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Noise, Public Services, Recreation, Transportation, Vegetation, Wetland/Riparian, Wildlife
Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Parks and Recreation, California Highway Patrol, California Native American Heritage Commission (NAHC), Department of Toxic Substances Control, Department of Water Resources, Office of Historic Preservation, Resources Agency, State Water Resources Control Board, Divison of Financial Assistance, California Department of Transportation, District 4 (DOT), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB)
Reviewing Agency Comments
California Department of Transportation, District 4 (DOT), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB)

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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