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Updated: 03/18/2025
Closed

Unpermitted Wastewater Discharge at Kailua Regional Wastewater Treatment Plant, O‘ahu

First Detected: 03/15/2025
Sign Removed: 03/18/2025
Closed: 03/18/2025
Cause: Under investigation

The public is advised to avoid waters near the City and County of Honolulu Kailua 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 daily sampling by the City on 3/14/2025. The City has posted warning signs and will conduct daily sampling. The public is advised to remain out of the affected area until further notice. For more information, please see: https://eha-cloud.doh.hawaii.gov/cwb/#!/event/1911/details/view

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