Seismic Risks of California's Water Lifeline

by Arnold E. Eskel, Sr. Engr.; California State Dept. of Water Resources, Sacramento, Calif.,
Darral C. Martin, Assoc. Electrical Engr.; California Dept. of Water Resources, Sacramento, Calif.,

Serial Information: Journal of the Technical Councils of ASCE, 1977, Vol. 103, Issue 1, Pg. 25-37

Document Type: Journal Paper


With the maldistribution of water and population within the State of California, extensive facilities were required to transport water from areas of surplus to areas of deficiency. Although many routes for the water conveyance system were examined, the multitude of major fault systems within the state made it impossible to avoid having the facilities and major faults in close proximity. Most of the water conveyance facilities are part of a series system, making the operation of the entire system dependent upon the facility most susceptible to earthquake damage. A determination of seismic risk at each facility is necessary to evaluate the expenditure of funds to lower the vulnerability to seismic damage. In this way a most efficient expenditure of funds can be achieved to balance the seismic risk throughout the project.

Subject Headings: Seismic effects | Water supply systems | Seismic tests | Water management | Lifeline systems | Geological faults | Damage (structural) | Flood routing | California | United States

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