The City of Marietta Water Treatment and Distribution Department issued a boil advisory for people in the Colgate, Norwood area.
A six inch main line split in the Colgate Drive area Saturday morning.
Those living on Aurora Street, Spring Street, Oakwood and Sunset Lane lost water pressure.
Distributors are currently repairing the main line.
They say it will take between 24 to 48 hours until the the boil advisory is lifted.