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Dozens of California dams need repair as El Niño winter draws closer

The report says 40 of the dams are high or extremely high hazard, and repairs could cost about $28 billion, officials said.

  • A report released Monday by the State Auditor identified 57 dams in poor or unsatisfactory condition, with 40 rated as high or extremely high hazard as of May.
  • Most of California's nearly 1,500 dams are aging, with the 40 riskiest clustering near densely populated coastal cities including Los Angeles, San Diego, and the Bay Area.
  • Failure of these riskiest dams could endanger 1.5 million people and cause more than $265 billion in economic damage; Water Resources has yet to approve emergency plans for 245 dams.
  • Tom Gleason, director of Water Resources, criticized the audit for a "fundamental lack of understanding" of flood management complexities, noting some deficiencies stem from updated safety standards rather than degradation.
  • Nationwide, the American Society of Civil Engineers estimates nearly 17,000 dams are potentially high hazard, while the State Auditor warns California's aging dams "continue to pose a risk to public safety" as heavy rain approaches.
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Associated Press NewsAssociated Press News
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Dozens of California dams need repair as El Niño winter draws closer

·New York, United States
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  • 46% of the sources lean Left, 45% of the sources are Center
46% Left

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Courthouse News Service broke the news in Pasadena, United States on Tuesday, October 13, 2026.
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