The kalaeloa seawater desalination facility design-build-operate-maintain project (project) seeks to construct a new desalination treatment facility (facility) that will help create a new reliable…

The U.S. Department of the Interior's Bureau of Reclamation awarded a $149,648,118 Project Grant to the Board of Water Supply under the Water Recycling and Desalination Construction Programs (CFDA 15.504) to design, build, operate, and maintain a new seawater desalination facility in Kalaeloa, Hawaii. The facility will initially produce approximately 1.7 million gallons per day (MGD) of potable water, with the ability to expand to 5 MGD. This project aims to create a new reliable water supply and reduce the region's reliance on groundwater. Key project components include addressing archaeological site impacts, concentrate disposal through shallow injection wells, and distribution system impacts from mixing desalinated water with a groundwater source. The award was made on April 9, 2025, with an ultimate completion date of March 31, 2028.

The kalaeloa seawater desalination facility design-build-operate-maintain project (project) seeks to construct a new desalination treatment facility (facility) that will help create a new reliable source of water supply and reduce the regions heavy reliance on groundwater. The proposed facility will be initially constructed to produce approximately 1.7 million gallons per day (MGD) of potable product water. IT will be designed, built, and commissioned with some provisions, as needed, to expand to 5 MGD. The project will be delivered utilizing a design-build-operate and maintain project delivery (dbom). To reduce risk to the project, the project team will bring forward and address three key areas of uncertainty: 1) archaeological sites 2) concentrate disposal through shallow injection wells and 3) distribution system impacts by mixing desalinated product water with a groundwater source system within campbell industrial park.