There is a water main break in the 100 block of East Robinson in Knoxville this morning. Staff at Knoxville Water Works tells KNIA KRLS News that businesses and residents on the south side of Robinson Street, between First and Second Streets are without water, and have been notified. They do not know what caused the break, but crews are on hand and hope to have service restored by 2 or 3 o’clock this afternoon. There is a boil order for anyone on the south side of the street, until further notice.