HOUSTON – After an 8-foot diameter water main pipe burst in east Houston Thursday, sparking a days-long boil water advisory, city officials said Saturday it is no longer necessary to boil your water. The City of Houston lifted the boil water notice that has been in place since Thursday, Feb. 27. Houston residents no longer need to boil water used for drinking, cooking and making ice, according to city officials. Water quality testing submitted to the Texas Commission on Environmental Quality confirmed that tap water meets all regulatory standards and is safe to drink. Boil water notice issued for HoustonA boil water notice was issued for the Houston water system Thursday and was expected to remain in effect until at least Saturday morning.