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Updated Honouliuli Wastewater Treatment Plant unveiled

A $536 million upgrade to the city’s 45-year-old Honouliuli Wastewater Treatment Plant in Ewa Beach has been completed, the city says. The completed work at the wastewater plant — which serves communities from Ha­lawa to Makakilo, including Barbers Point and Mililani — fulfills a second major milestone in a 2010 consent decree mandated by the federal government, designed to prevent untreated sewage from entering Oahu’s marine and shoreline environments.

By Craig T. Kojima

May 10, 2024

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The new clarifier at Honouliuli Wastewater Treatment Plant.
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The aeration basin at Honouliuli Wastewater Treatment Plant.
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The aeration basin at Honouliuli Wastewater Treatment Plant.
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The aeration basin at Honouliuli Wastewater Treatment Plant.
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The aeration basin at Honouliuli Wastewater Treatment Plant.
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Officials during the ribbon cutting ceremony.
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Officials during the ribbon cutting ceremony.
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Officials during the ribbon cutting ceremony.
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Roger Babcock, Jr. of the City and County of Honolulu’s Department of Facility Maintenance makes his comments.
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Councilman Augie Tulba makes his comments.

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