Oahu island: Over 4,000 told to evacuate flooding in Hawaii as officials warn 120-year-old dam could fail - ABC7 Los Angeles

ABC7 Los Angeles
March 20, 2026
3 min read

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More than 4,000 Oahu residents ordered to evacuate as 120-year-old dam risks catastrophic failure amid flooding.

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More than 4,000 residents on Oahu have been ordered to evacuate due to flooding, with officials warning that a 120-year-old dam risks catastrophic failure. The evacuation order reflects immediate danger from both current flood conditions and the structural threat posed by the aging dam infrastructure. If the dam fails, it could release a massive surge of water into populated areas downstream, potentially causing severe damage and loss of life. The evacuation underscores Hawaii's vulnerability to extreme weather events and the risks associated with aging critical infrastructure across the islands. Authorities are monitoring the dam's structural integrity and water levels as the situation develops.

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Authorities are monitoring the dam's structural integrity and water levels as the situation develops.

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