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Neglected North Shore Plantation Waterways Fueled Damaging Hawaii Floods

Officials examine fragmented ownership and maintenance gaps after flooding displaced families; new federal flood maps coming June 10 could affect insurance and building rules.

  • Late March 19, intense rainfall overwhelmed waterways across Oahu's North Shore, destroying hundreds of homes in Waialua and displacing families; satellite imagery from March 23 documents the flooding after two Kona lows.
  • When Waialua Sugar Company closed 40 years ago, the corporation's reliance on a system of more than 30 miles of irrigation ditches and at least 15 smaller reservoirs waned, leaving plantation-era infrastructure unmaintained as land fragmented into smaller plots.
  • State Department of Transportation Director Ed Sniffen acknowledged "major blockages" with "sediment and debris buildup beneath bridges," while drone footage revealed about 10 landslides along Kaukonahua Stream where two homes were swept into flood waters.
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Neglected North Shore Plantation Waterways Fueled Damaging Hawaii Floods

Sarah Ghio leans on the rear bumper of her dead silver SUV, taking a sip of juice to wet her chapped lips.

·United States
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Bias Distribution

  • 47% of the sources are Center
47% Center

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Star Advertiser broke the news in Honolulu, United States on Sunday, March 29, 2026.
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