Department of Environmental Services

Retraction: Corrected Information on Enterococcus Levels at Kailua Regional WWTP

HONOLULU – On December 25, 2024, the City and County of Honolulu’s Department of Environmental Services (ENV) reported an elevated count of enterococcus bacteria in a single sample of treated effluent collected Dec. 24, 2024, at 8:15 a.m. from the Kailua Regional Wastewater Treatment Plant (WWTP). Upon further review, it has been determined the reported information was incorrect due to a laboratory calculation error.

The corrected analysis confirms the enterococcus bacteria count in the treated effluent was in full compliance with the single sample daily maximum limitation under the National Pollutant Discharge Elimination System (NPDES) permit for the facility. The previously reported elevated count was inaccurate, and there was no exceedance of the permitted levels.

As a result, any warning signs posted as a precaution will be promptly removed.

The city remains committed to transparency and public safety. Water quality samples are regularly collected at seven shoreline stations in Kailua Bay near the WWTP and are posted in real time on the ENV Kailua Shoreline Water Quality website. The public is encouraged to visit this site to stay informed and make decisions regarding recreational activities in the area.

We apologize for any confusion caused by the earlier report and appreciate the community’s understanding.

─ PAU ─

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