Where an area has not been formally designated as a floodplain or flood hazard area by any Federal, State, or County governmental agency and the area is not designated as a floodplain or flood hazard area in the Township Zoning Ordinance or Official Map, the Board may designate such an area as a floodplain or flood hazard area, after public hearings and after consultation with some or all of the following: the Township Engineer, the Army Corps of Engineers, the Federal Emergency Management Agency (FEMA), the Bergen County Planning Board, the Township Environmental Commission, the Bergen County Department of Public Works and the New Jersey Department of Environmental Protection.