Central Maui’s groundwater has gotten saltier over the past four decades due to increased pumping of surrounding wells and a decreased amount of rainfall, USGS said. From Maui News “The Waiehu well is used to monitor the Wailuku area, where most of Central and South Maui’s groundwater is pumped from and then used for fire […]
Waiehu Well Shows Increasing Salinity
Chloride concentrations at Waiehu deep monitor well increased at depths of -475 ft to -700 ft during October 2012 – January 2013. Adjustments to the sampling depth spacing were made to provide more resolution in the part of the transition zone where chloride concentrations change rapidly with depth.