The City is responsible for maintaining the sanitary mains. The property owner is responsible for maintaining the sanitary lateral, which runs from main to the building. If you smell a sewer odor or suspect a sewer backup, call the Department of Public Service and Engineering, Utility Billing Division at 614-342-4440, Monday through Friday, 8 am to 5 pm. After 5 pm and on weekends and holidays, call 614-342-4240. The Utility Billing Division will dispatch a utility crew to investigate the situation and assess the issue. If the obstruction is located within the sanitary main, the utility crew will clear it. If the obstruction is located within the sanitary lateral, it is the property owner's responsibility to have their lateral line cleared.