NEWS & UPDATES
Kona Low Storm Recovery Updates (March-April 2026)
Kona Low Storm Monitoring (April 2026) – Subscribe to HNL Alert

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Kona Low Storm (March 2026)
BWS is actively responding to the impacts caused by the March 2026 Kona low flooding and power outages and and is working as quickly and safely as possible to restore normal water service operations. Check this page for updates on water service and available assistance.
- March 26, 2026: We Care – Customers Assistance is Available
- March 25, 2026: Leeward Coast – Water Conservation Notice in Effect Until Further Notice
- March 25, 2026: North Shore – BWS Water Sampling & Testing
Board of Water Supply Resources
- Conservation Tips
- Emergency Preparedness
- Nuʻuanu Dams
- Public Safety Power Shutoff
- Reported Main Breaks
- Water Shortage Plan
Kona Low Storm Recovery – Frequently Asked Questions

State of Hawaiʻi Resources
- Hawai‘i Department of Health: Kona Low Storm Preparedness Information
- Hawai‘i Emergency Management Agency
- Hawaiʻi Hazards Awareness and Resilience Program
- All-Hazard Statewide Outdoor Warning Siren System
- University of Hawaiʻi Reservoir Data Viewer
City and County of Honolulu Resources
News Releases
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Immediate Water Conservation Needed Throughout Leeward Coast Until Further Notice
News Release: The Board of Water Supply (BWS) continues to urge all residents from Honokai Hale to Mākaha to use water for essential purposes only – drinking, cooking, and personal hygiene until further notice.
READ MORE > Immediate Water Conservation Needed Throughout Leeward Coast Until Further Notice (1)
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Boil Water Notice from Pūpūkea Road to Waialua at 68-431 Farrington Highway Has Been Lifted - 3/25, 3:00 PM Update
News Release - 4:00 PM Update: The Board of Water Supply received the first set of water quality test results this afternoon. The results were negative for bacteriological contamination and the boil water notice for the system that serves the following areas has been lifted: All of Pūpūkea, All of Sunset Beach, Waialeʻe, Turtle Bay Resort, and Kuilima Estates East and West.
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Boil Water Notice for Pūpūkea Rd to Turtle Bay Has Been Lifted - 3/24, 4:00 PM Update
News Release - 4:00 PM Update: The Board of Water Supply received the first set of water quality test results this afternoon. The results were negative for bacteriological contamination and the boil water notice for the system that serves the following areas has been lifted: All of Pūpūkea, All of Sunset Beach, Waialeʻe, Turtle Bay Resort, and Kuilima Estates East and West. These communities are now free to consume the water without boiling it first. The water has been verified safe to drink.
READ MORE > Boil Water Issued for Pūpūkea Rd to Turtle Bay Has Been Lifted - 3/24, 4:00 PM Update
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Boil Water Notice Issued for North Shore – 3/24 12:00 PM Update
News Release - 12:00 PM Update: Water tankers are available for public use 24/7; however, they may need to be pulled temporarily for refilling. Due to potential damage to the water system caused by March 2026 Kona Low 2, the Honolulu Board of Water Supply (BWS) continues to remind all water users on the North Shore from Mokulēʻia to Turtle Bay to boil any water pulled from the tap prior to consumption as a precaution. This boil water notice is in effect until further notice. DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST.
READ MORE > Boil Water Notice Issued for North Shore – 3/24 12:00 PM Update
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Boil Water Notice Issued for North Shore – 3/23 12:00 PM Update
News Release - 12:00 PM Update: An estimated return of water service cannot be determined at this time. Due to potential damage to the water system caused by March 2026 Kona Low 2, the Honolulu Board of Water Supply (BWS) continues to remind all water users on the North Shore from Mokulēʻia to Turtle Bay to boil any water pulled from the tap prior to consumption as a precaution. This boil water notice is in effect until further notice. DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST.
READ MORE > Boil Water Notice Issued for North Shore – 3/23 12:00 PM Update
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Immediate Water Conservation Needed Throughout Leeward Coast Until Further Notice
News Release: The Board of Water Supply (BWS) urges all residents from Honokai Hale to Mākaha to use water for essential purposes only – drinking, cooking, and personal hygiene until further notice.
READ MORE > Immediate Water Conservation Needed Throughout Leeward Coast Until Further Notice
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Boil Water Notice Issued for Oʻahu's North Shore - 3/22 5:00 PM Update
News Release - 5:00 PM Update: An estimated return of water service cannot be determined at this time. Due to potential damage to the water system caused by March 2026 Kona Low 2, the Honolulu Board of Water Supply (BWS) continues to remind all water users on the North Shore from Mokulēʻia to Turtle Bay to boil any water pulled from the tap prior to consumption as a precaution. This boil water notice is in effect until further notice. DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST.
READ MORE > Boil Water Notice Issued for Oʻahu's North Shore - 3/22 5:00 PM Update
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Boil Water Notice Issued for Oʻahu - 3/22 7:00 AM Update
News Release - 7:00 AM Update: Three water tankers are available for North Shore customers' use. Due to potential damage to the water system caused by March 2026 Kona Low 2, the Honolulu Board of Water Supply (BWS) is reminding all water users on the North Shore from Mokulēʻia to Turtle Bay to boil any water pulled from the tap prior to consumption as a precaution. This boil water notice is in effect until further notice. DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST.
READ MORE > Boil Water Notice Issued for Oʻahu - 3/22 7:00 AM Update
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BWS Asks for Water Conservation During Storm - 3/21 5:00 AM
News Release - 5:00 AM: The Board of Water Supply (BWS) urges all residents to continue to conserve water during this weekend’s storm and use it for essential purposes only – drinking, cooking, and hygiene. Power outages are impacting BWS’s entire water system serving the North Shore community, from Waialua and Mokulēʻia all the way around the top of the island to Kawela.
READ MORE > BWS Asks for Water Conservation During Storm - 3/21 5:00 AM
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Boil Water Notice Issued for Oʻahu - 3/21 8:00 PM Update
News Release - 8:00 PM Update: BWS has made one more water tanker available for customers' use. Due to potential damage to the water system caused by March 2026 Kona Low 2, the Honolulu Board of Water Supply (BWS) is notifying all water users in Waialua,Mokulēʻia, Haleʻiwa, Sunset, Pūpūkea, and Waialeʻe, ending at Turtle Bay to boil any water pulled from the tap prior to consumption as a precaution. This boil water notice is in effect until further notice. DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST.
READ MORE > Boil Water Notice Issued for Oʻahu - 3/21 8:00 PM Update
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Boil Water Notice Issued for Oʻahu - 3/21 5:00 PM Update
News Release - 5:00 PM Update: Water tankers are available for customers' use. Due to potential damage to the water system caused by March 2026 Kona Low 2, the Honolulu Board of Water Supply (BWS) is notifying all water users on the North Shore from Mokulēʻia to Turtle Bay to boil any water pulled from the tap prior to consumption as a precaution. This boil water notice is in effect until further notice. DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST.
READ MORE > Boil Water Notice Issued for Oʻahu - 3/21 5:00 PM Update
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Boil Water Notice Issued for Oʻahu - 3/21 4:00 PM
News Release: Due to potential damage to the water system caused by March 2026 Kona Low 2, the Honolulu Board of Water Supply (BWS) is notifying all water users on the North Shore from Mokulēʻia to Turtle Bay to boil any water pulled from the tap prior to consumption as a precaution. This boil water notice is in effect until further notice. DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST.
READ MORE > Boil Water Notice Issued for Oʻahu - 3/21 4:00 PM
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BWS Asks for Water Conservation During Storm - 3/13 5:00 PM
News Release - 5:00 PM: Due to the impact of the Kona storm today, Friday, March 13, 2026, the Board of Water Supply (BWS) urges all residents to continue to conserve water and use it for essential purposes only – drinking, cooking, and hygiene. All residents, especially those without power, should keep water use to an absolute minimum and should not fill containers at this time. All BWS pumps need electricity to operate. During a power outage, the BWS will have limited ability to pump water out of its wells and other water sources and up to reservoirs. Until power can be restored, the water left in the reservoirs will be all that is available.
READ MORE > BWS Asks for Water Conservation During Storm - 3/13 5:00 PM
Updated: 04/08/2026