A boil order has been lifted in Jones, Oklahoma, after officials said they treated E.coli contamination.The Department of Environmental Quality issued a water boil advisory Saturday Aug. 4 for the town of Jones after E. coli bacteria was found in the water supply.E. coli bacteria was discovered Saturday, officials said. The bacteria can cause illnesses and is considered to be of concern to people with weakened immune systems.DEQ officials told Jones residents to boil water before drinking. They also have advised residents to drink bottled water."Boiled or bottled water should be used for drinking, preparing food, making baby formula, making ice, brushing teeth, washing dishes, bathing infants who may drink bath water, or cleaning open wounds until further notice," officials said.Bacterial contamination can occur when increased runoff enters the drinking water source or intrusions of nearby sources of contamination occurs, DEQ officials said. Contaminations also can happen after a pipe break or a failure in the water treatment process."Until it can be corrected, PLEASE take all precautions listed," Jones officials posted to Facebook.The mayor of Jones confirmed with KOCO 5 Friday morning that the boil order has been lifted. Anyone with questions about the contamination can call Carlton Taylor at 405-229-2047 or the EPA Safe Drinking Water Hotline at 1-800-426-4791.