All Austin residents are being asked to boil their water before using it for drinking or cooking until further notice, city officials said Wednesday night.⠀ ⠀ Officials said the boil notice is due to Austin's largest water treatment facility, the Ullrich Water Treatment Plant, losing power. They also said water pressure in the city had also dropped below minimum standards.⠀ ⠀ A boil water notice was issued after 11 a.m. for Southwest Austin and the Lost Creek neighborhood, marking the first sign of water trouble after power outages that have left much of the city without electricity since Monday morning.⠀ ⠀ Austin Water said it had not detected contaminants in its water supply and that the notice is out of precaution. A combination of burst pipes, water main breaks and increased customer usage from dripping faucets and storing water have contributed to water supply loss in the city, according to officials.⠀ ⠀ Austin Water is immediately requiring mandatory conservation measures, such a...