EPA Approves $109 Million WIFIA Loan for Honolulu’s First Seawater Desalination Plant

Water Treatment & Environment 2026-10-16 Source: U.S. EPA

The U.S. Environmental Protection Agency has announced a $109 million WIFIA loan to the Honolulu Board of Water Supply to design and build the Kalaeloa Seawater Desalination Facility, the island community’s first seawater desalination plant. The reverse-osmosis plant is designed to deliver 1.7 million gallons of drinking water per day and will include byproduct disposal facilities, a recycled water pipeline and transmission lines. The project aims to strengthen supply reliability and reduce Oahu’s reliance on groundwater aquifers, with principal payments deferred during construction to ease pressure on ratepayers.

Read the full story at U.S. EPA →

This is an editorial summary written by Xinray Technology. All rights to the original report belong to U.S. EPA.

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