 In the 1940s the Susquehanna River tributary Broad Creek was dammed to form the at what is now the Broad Creek Memorial Scout Reservation.In June 1972 Hurricane Agnes overflowed the dam and flooded areas in many states.On the "County Health Rankings & Roadmaps" by the Robert Wood Johnson Foundation with the University of Wisconsin Population Health Institute, "prior to the 2016 report ... Harford's yearly rankings typically fell between ninth and 10th place, primarily because of the percentage of county residents who were obese or who smoked."