Performance of Water and Sewer Lifelines in the May 2, 1983 Coalinga, California Earthquake

by Jeremy Isenberg, Weidlinger Associates, Menlo Park, CA, USA,
Craig E. Taylor, Weidlinger Associates, Menlo Park, CA, USA,

Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering: Performance, Design and Construction


Water supply and filtration systems for the City of Coalinga suffered little damage. The water transmission system suffered five breaks. The urban distribution system was disrupted, but the number of breaks and leaks reported may be smaller than would be predicted based on past performance. Leak rates in the water distribution system remained higher than normal for several months. There were three breaks in the sanitary sewer system and numerous blockages. The pipe materials were steel lined concrete, asbestos cement, cast iron, wrought iron and concrete.

Subject Headings: Load and resistance factor design | Water management | Sewers | Earthquakes | Urban areas | Water treatment plants | Water pipelines | Concrete pipes | California | United States

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