A $14 million improvement project at the Lahaina Wastewater Reclamation Facility has been completed, increasing recycled water production for golf courses, resorts, and parks in West Maui. The project, which won a 2026 Hawaii engineering award, rehabilitated existing infrastructure rather than building new, and reduces reliance on groundwater injection wells.
- The upgraded facility now reliably supplies recycled water to golf courses, resorts, and public parks, with future agricultural use planned.
- The project repurposed existing basins and infrastructure to minimize construction costs and waste, keeping the $14M price tag lower than full replacement.
- New automation and process controls stabilize wastewater treatment flows, improving consistency and recycled water output.
- Reduced dependence on injection wells is intended to better protect West Maui’s groundwater and coastal water resources.
- The improvements help ease pressure on potable water supplies in a region where freshwater resources are already constrained.
Source: Constructionowners
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