In Greensboro, North Carolina, the responsibility for fire hydrant maintenance typically lies with the local government or the city's water department. These entities are responsible for ensuring that fire hydrants are in proper working condition and are regularly inspected and maintained. Regular maintenance of fire hydrants is crucial to ensure they are fully operational during emergencies and can provide adequate water supply to firefighters in case of a fire incident. If you have concerns about a fire hydrant in Greensboro, you can contact the local government or water department for assistance.