The City of Kellogg is under a boil water advisory until further notice. The Jasper County alert system made the notification around 8:30 p.m. Tuesday night. Residents are asked to bring all water to a boil; let it boil for one minute. Let it cool before using. Use boiled or bottled water for drinking, making ice, brushing teeth, washing dishes and food preparation. Untreated water can be used for bathing and similar purposes. Boiling kills bacteria and other organisms in the water.