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RONIT FAHL / SPECIAL TO THE STAR-ADVERTISER
One of the reservoirs on Kuahiwi Ranch in Pahala relies on underground water that runs through a pipe set along mountainous terrain in Kau to provide water to about 1,500 cattle on the family-owned ranch. The ranch is one of a dozen water users that are now facing an end of the year deadline to convert state water permits into long-term leases, or risk losing access to water.