Do You Have What It Takes to Be a Certified Plumber?What’s a curb stop used for?33%Next Correct Incorrect A curb stop lets utilities shut off your water service without accessing your main line directly. What’s a curb stop used for? A valve leading to the street from the water tank on the roof of the building, for use by the fire department. A valve that allows one house to be cut off from the water main. A drain from a house to the storm drain on the street. A valve that turns off fire hydrants. 33%