Low water pressure could be caused by a variety of reasons. It could be a water leak or a bad meter. Before calling a plumber, 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.