Drinking water service will be shut off to the Pinellas County barrier islands from Johns Pass to Fort DeSoto starting at 8 p.m. Friday night as workers start trying to repair the system.Pinellas County officials said if the service isn't shut off, the station providing potable water will run out of water.The shutoff of service impacts Pinellas County customers in the communities of St. Pete Beach, Treasure Island, and Tierra Verde. At 8 p.m., a boil water notice will also be issued for the area.According to Pinellas County officials, workers are trying to complete repairs to the system as soon as possible, but a timeline is unknown. They said a better estimate on the repair timeline may come Saturday.If you are in the impacted areas, Pinellas County said to call customer service at 727-464-4000.While the county works on the water system, the Pinellas County Sheriff's Office said the barrier islands will remain closed Friday. Sheriff's deputies will also patrol the islands from 7 p.m. to 7 a.m. to look for looters. The sheriff's office said starting Friday at 6 p.m, buses will be available for free transportation for anyone still on the barrier islands.Buses will drop off individuals wishing to leave, where they can either get transportation to a shelter or request an Uber to an alternate location. Animals will be permitted on the buses.PCSO said space will be limited on the buses, so anyone wanting to leave should bring only essentials.