Honolulu Secures $109 Million Federal Loan for Oahu Desalination Plant

Honolulu, HI, October 19, 2026 —

Honolulu has secured a US$109 million federal loan to build Oahu’s first seawater desalination plant, according to the information provided. The project is described as the island’s first facility of its kind, and the loan is intended to support its construction.

The announcement identifies the loan amount and the project’s purpose, but does not specify which federal agency is providing the financing. It also does not give details about the loan’s terms, including its interest rate, repayment schedule or when funds will be available.

Further project information was not provided. The plant’s proposed location, expected construction schedule, planned capacity and anticipated opening date are not specified. The available information also does not describe the project’s permitting status, construction costs beyond the loan amount, or any additional sources of financing.

Seawater desalination plants produce freshwater from seawater, but no details were provided about the technology or operating plans for the Oahu facility. The announcement does not state how much water the plant is expected to produce or identify the communities or users it would serve.

The loan marks a financing step toward building the facility, but the information provided does not establish when construction will begin or when the plant could enter service. Honolulu’s announcement identifies the project as Oahu’s first seawater desalination plant; additional details about its design, schedule and operation were not included.

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