Hawaii Dam COLLAPSES – Billions at Stake

Beautiful coastal landscape with lush greenery and ocean waves.

A 120-year-old dam teetered on the brink of catastrophic failure as floodwaters swept away homes and cars across Hawaii, leaving officials to brace for billions in damage and more rain on already drowning ground.

Story Snapshot

Hawaii’s worst flooding in 20 years struck Oahu’s North Shore, evacuating 5,500 residents amid fears of Wahiawa Dam collapse.
Over 200 daring rescues saved lives, including 72 children from a youth camp, with no deaths reported.
Governor Josh Green estimates $1 billion in damages to homes, schools, airports, and a Maui hospital.
Back-to-back Kona low storms dumped up to 16 inches of rain, saturating soils from prior deluges of 50+ inches.
Forecasters warn of additional 3-12 inches through March 24, risking renewed flash floods on vulnerable infrastructure.

Kona Low Storms Unleash Historic Deluge

A Kona low storm system battered Hawaii starting March 10, 2026, when the first storm hit Kauai and moved to the Big Island, delivering heavy rain and wind through March 14. Soils absorbed over 50 inches of rain, priming the islands for disaster. The National Weather Service issued a Flood Watch on March 18 for Oahu, Molokai, Maui, and the Big Island, predicting flash flooding. A second Kona low arrived March 19, targeting Kauai then the Big Island, setting the stage for chaos.

Oahu North Shore Faces Catastrophic Flooding

Intense rains peaked March 20, dumping 8-12 inches overnight on Oahu, with 16 inches recorded at Kaala peak. Floodwaters lifted homes and cars in Waialua and Haleiwa, prompting evacuations for 5,500 people. The Honolulu Fire Department and National Guard conducted over 200 rescues, including 72 from Our Lady of Kea’au youth camp. Residents like Kathleen Pahinui expressed terror over the surging streams. North Shore surfing spots turned into muddy wastelands.

Wahiawa Dam Nears Breaking Point

The 120-year-old Wahiawa Dam, classified as high hazard potential, rose to 84 feet amid the onslaught, triggering a Flash Flood Emergency. Officials monitored levels closely as water threatened to breach the aging structure, which has shown vulnerability in past rains. Evacuation orders persisted into March 21. Common sense demands prioritizing infrastructure upgrades; decades of warnings ignored now expose lives to needless risk, aligning with conservative calls for fiscal responsibility in maintenance.

Governor Josh Green declared the event catastrophic during a March 20 press conference, estimating $1 billion in statewide damages including airports, schools, roads, homes, and Maui’s Kula hospital. He coordinated federal aid after calling the White House. Honolulu Mayor Rick Blangiardi oversaw Oahu operations, describing home losses as dozens to hundreds. Hawaii Emergency Management Agency managed Maui warnings in Iao Valley and Kihei.

Rescues and Ongoing Threats Persist

No deaths occurred, but about 10 people required hospitalization for hypothermia. Air and ground searches continued amid interference from recreational drones, complicating efforts. The Flood Watch extended statewide, excluding Big Island summits, through Sunday. As of March 21 early morning, evacuation orders remained in Waialua and Haleiwa. National Weather Service forecasted waves of lower-intensity rain through March 23-24, with 3-5 inches widespread and up to 12 inches at elevations.

Impacts Rip Across Islands and Economy

Maui saw damage to Kula hospital alongside warnings in Iao Valley and Kihei. Big Island endured significant runoff in urban areas and streams. Short-term effects included road closures and cleanup; long-term burdens hit tourism, aviation, healthcare, and education. Saturated grounds amplified every drop into potential flash floods. This disaster, worst since 2004 Manoa floods, underscores the folly of neglecting aging dams and over-relying on federal bailouts rather than proactive local stewardship.