Final Wahiawa Dam Update
2026-03-14 04:40:55 HST
HNL Alert: 04:40 AM 03-14-2026 - Water levels remain consistent at Wahiawa Dam, and the Evacuation Notice has been lifted.
Details: https://alert.hnlalert.gov
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Update: Wahiawa Dam
2026-03-14 00:53:59 HST
HNL Alert: 12:53 AM 03-14-2026 - Water levels of Wahiawa Dam have leveled off but unstable conditions remain that may bring additional heavy showers. No emergency action necessary at this time.
Details: https://alert.hnlalert.gov
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CORRECTION UPDATE: HNL Alert from the Oahu Department of Emergency Management
Issued: 10:17 PM 03-13-2026
Incident Type: Wahiawa Dam Levels Trending Down
Location: AREAS DOWNSTREAM of WAHIAWA DAM including PARTS OF HALEIWA AND WAIALUA
Alert Details:
Officials continue to monitor conditions at Wahiawa Dam. Water levels are trending down. Heavy rains are still forecast for the next couple of hours, but the improving conditions at the dam make it less likely an evacuation will be necessary. Remain prepared to leave if conditions change.
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DAM FAILURE Possible - PREPARE TO EVACUATE
2026-03-13 18:55:12 HST
HNL Alert: 06:55 PM 03-13-2026 - Dam failure possible at WAHIAWA DAM. Failure of the dam could result in catastrophic flooding.
Evacuation Warning for AREAS DOWNSTREAM of WAHIAWA DAM including PARTS OF HALEIWA AND WAIALUA.
Map: https://p.veoci.com/hnlevac.
Be prepared to leave downstream areas on short notice.
Details: https://alert.hnlalert.gov
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HNL Alert from the Oahu Department of Emergency Management
Issued: 06:55 PM 03-13-2026
Incident Type: POTENTIAL DAM FAILURE - WAHIAWA DAM
Location: AREAS DOWNSTREAM of WAHIAWA DAM including PARTS OF HALEIWA AND WAIALUA
Alert Details: PREPARE TO EVACUATE
Dam failure possible at WAHIAWA DAM. No evacuations are ordered at this time, but conditions exist that could lead to the failure of the dam, which could cause catastrophic flooding.
Evacuation Warning issued. Be prepared to leave downstream areas on short notice. WAHIAWA DAM EVACUATION ZONE includes all of Haleiwa between Puuiki St and Kamehameha Hwy. Areas of Waialua between Kukea Circle to Otake Camp.
Map: https://p.veoci.com/hnlevac
Actions to Take
Take the following actions now if you are in the affected area:
1. Make sure your Go-Bag of emergency supplies is ready, including medications, important documents, and hygiene items. Put your Go-Bag by the door or in your car.
2. Locate any pets and be prepared to crate or leash them.
3. Share information and offer to help if they will need assistance evacuating. Ask them for help if you need assistance.
4. Leave now if you need extra time to evacuate or feel unsafe.
If you are outside the affected area, stay out of the area until further notice.
LEAVE NOW if you or your loved ones cannot move quickly and need extra time to evacuate.
The closest emergency shelters are located at Waialua High and Intermediate School, Wahiawa District Park, and Kahuku Elementary School. A full list of locations can be found at https://p.veoci.com/hnlshelter.
Conditions can change quickly. LEAVE IMMEDIATELY IF YOU FEEL UNSAFE - do not wait for an official alert.
Stay out of the area until further notice.
Call 9 1 1 for emergencies only.
Stay Informed
Emergency officials are monitoring conditions at the dam. This alert will be updated if an evacuation becomes necessary.
Check https://alert.hnlalert.gov for updates or monitor local radio and TV stations.
This message will be updated in 4 hours or sooner if the situation changes.
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SA: Dr. Randal Collins, director of the agency, said the reservoir’s water level was 83 feet as of 6 p.m. Dam failure occurs at 90 feet, he said. The dam has not shown signs of structural damage, Collins said.
CB: City Warns Wahiawā Dam Could Fail, Cause 'Catastrophic Flooding' - Honolulu Civil Beat -- “Earlier on Friday, the Board of Land and Natural Resources had been scheduled to vote on a measure allowing the state of Hawaiʻi to buy the Wahiawā Reservoir. The plan had been in the works for years and was intended to allow for repairs and safety upgrades. But the meeting was canceled as the state government shut down due to the storm.”
HNN: ‘Get ready to go’: City alerts Waialua, Haleiwa residents as Wahiawa Dam nears critical level | Hawaii News Now First Alert Weather