HELENA, Ala. — A water main that broke in the Dearing Downs subdivision of Helena Tuesday morning, June 30, prompted the Helena Utility Board to ask residents to limit water use. Mayor Billy Rosener said the citywide notice was issued as a precautionary measure while crews worked to reroute water to fill other tanks. “The main line that went down also refills some of our water tanks,” Rosener said. “So until they were able to reroute that water …