Concord Pond Dam Concord Pond Dam is located on Broad Creek in Sussex County along Concord Pond Road north of Church Road. The Concord Pond Dam is one of twenty-nine dams regulated by the Delaware Department of Natural Resources (DNREC).
Pine Grove Furnace Site The site of this old iron furnace is at Concord near the junction of Concord Pond Road and Church Road. It is on private property, but is listed on the National Register of Historic Places. The furnace operated 1750-1799. It is located about three miles east of Seaford.