San Pablo Dam Seismic Upgrade

6 Documents in Project

Summary

SCH Number
2005092021
Lead Agency
East Bay Municipal Utility District
Document Title
San Pablo Dam Seismic Upgrade
Document Type
EIR - Draft EIR
Received
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
East Bay Municipal Utility District
375 Eleventh Street, MS 701
Oakland, CA 94623-1055

Phone : (510) 287-0164

Location

Cities
Orinda Richmond San Pablo
Counties
Contra Costa
Cross Streets
San Pablo Dam Road
Total Acres
~70
State Highways
I-80
Schools
Olinda Elem
Waterways
San Pablo Reservoir, Various Creeks
Township
1N
Range
4W
Section
12

Notice of Completion

Review Period Start
Review Period End
Development Type
Water Facilities (Dam Type, 38,600A/F MGD)
Local Action
Other Action
Project Issues
Aesthetic/Visual Air Quality Archaeologic-Historic Biological Resources Geologic/Seismic Noise Public Services Recreation/Parks Soil Erosion/Compaction/Grading Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Wetland/Riparian Wildlife Land Use
Reviewing Agencies
California Department of Parks and Recreation California Highway Patrol Department of Fish and Wildlife, Region 3 Department of Toxic Substances Control Department of Water Resources Native American Heritage Commission Office of Historic Preservation Resources Agency State Water Resources Control Board, Divison of Financial Assistance Caltrans, District 4 Regional Water Quality Control Board, Region 2
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