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Updated: 05/11/2026
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Unpermitted Wastewater Discharge at Kaneohe Marine Corps Hawaii Wastewater Treatment Plant, O‘ahu

First Detected: 05/06/2026
Sign Removed: 05/11/2026
Closed: 05/11/2026
Cause: Heavy rain

The public is advised to avoid waters near the Kaneohe Marine Corps Base Hawaii Wastewater Treatment Plant's ocean outfall due to a discharge of wastewater that exceeded the daily maximum permitted fecal indicator bacteria level. Affected waters: Kailua Bay, Oahu Exceedance was discovered during routine sampling on 5/4/2026 Signs have been posted. The public is advised to remain out of the affected area until this advisory has been cancelled. For more information and updates, please see: https://eha-cloud.doh.hawaii.gov/cwb#!/event/2062/details/view

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