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Act Brief

Hawaii Flood and Dam Emergency

Sources6
Opened20 MAR 2026 / 20:01
Updated4 weeks ago
Peak Activity21 MAR 2026 / 20:17

Situation Report

1. Current Assessment

A flash flood emergency is in effect for North Oahu, prompting evacuation orders for over 4,000 people. An evacuation is underway for areas downstream of Wahiawā Dam due to a potential dam failure.

2. Key Developments

  • 01An evacuation order has been issued for over 4,000 residents on Oahu's North Shore due to severe flooding.
  • 02An urgent evacuation is underway for areas downstream of the Wahiawā Dam following warnings of potential dam failure.
  • 03A flash flood emergency has been declared across North Oahu.
  • 04Long-standing safety concerns regarding the Wahiawā Dam have been reported, with allegations that previous operators did not adequately address maintenance issues.

3. Background

The situation stems from heavy rainfall causing widespread flooding on Oahu, Hawaii. This has escalated into a dam emergency at Wahiawā Dam, raising significant concerns for downstream communities.

4. Principal Actors

Oahu, HawaiiNorth Shore (Oahu)Wahiawā DamDoleLocal AuthoritiesAffected Residents

Event Log

20 MAR 2026
18:53

An evacuation order was issued for over 4,000 people along Oahu's North Shore.

The order was given in response to significant flooding affecting the area.

18:37

An evacuation is underway for the area around the Wahiawā Dam.

Residents near the Wahiawā Dam are being evacuated due to current conditions.

18:30

An evacuation order was issued for areas downstream of Wahiawa Dam due to a dam failure.

Residents were advised to take immediate action and evacuate.

17:49

A flash flood emergency was declared, and residents were told to evacuate.

An emergency evacuation map was issued as people in affected areas were instructed to 'Leave Now' due to flash flooding.

10:01

An article claimed Dole did little to fix the dangerous Wahiawā Dam.

The Honolulu Civil Beat reported that Dole's alleged inaction left the Wahiawā Dam in a dangerous condition.

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