The City of Lambertville strives to reduce the risk through monitoring weather predictions and forecasted levels of the Delaware River and relaying this to residents.  Residents are encouraged to pay attention to media sources and sign up for e-mail alerts to receive updates on the potential flood threat in Lambertville City at Also, if needed, both the City of Lambertville and Hunterdon County have reverse 911 systems for emergency notifications and we ask you to listen carefully to the message and take the directed actions.