#mahinahina water treatment facility

Despite recent rainfall, department officials say source water supply is at insufficient levels to maintain the Mahinahina Water Treatment Facility. The facility shut down Tuesday, Dec. 27, 2022 and will remain closed until source water supply reaches adequate levels to resume operations.  

West Maui residents and businesses served by the County of Maui Department of Water Supply are asked to voluntarily conserve water.

West Maui residents and businesses are being asked to voluntarily conserve water while the Mahinahina Water Treatment Facility undergoes upgrades from May 31 to Aug. 17, 2021.

West Maui residents and businesses are being asked to voluntarily conserve water while the Mahinahina Water Treatment Facility undergoes upgrades through Aug. 6, 2021.

West Maui residents and businesses are being asked to voluntarily conserve water while the Mahinahina Water Treatment Facility undergoes upgrades from May 31 to Aug. 6, 2021.

In West Maui, the department reports that water from the Honolua Ditch has been running very low, and plans call for the temporarily shut down the Mahinahina Water Treatment Facility this week to maintain water supply for fire protection. The shutdown will remain in effect until weather conditions improve.

Low streamflow is prompting the county to request that residents in West Maui conserve water. 

Repairs to the Māhinahina Water Treatment Facility in West Maui are now complete, and water supply operations are fully restored, according to an announcement issued today from the Maui Department of Water Supply.

UPDATE: 9:52 a.m. 9/23/12: The leak has since been fixed as of midnight on Saturday, and the conservation request has been lifted.

Water officials say the recent heavy rains made the water too muddy to go through the filtration system. It is the second time in as many weeks that the conditions have resulted in a shutdown.