New Jersey Statutes Title 58. Waters and Water Supply 58 § 16A-52

b. (1) The department shall wherever practicable, make flood hazard area delineations at least as protective as the floodplain delineations approved by the Federal Emergency Management Agency for the National Flood Insurance Program.  Immediately upon adoption of a floodplain delineation approved by the Federal Emergency Management Agency for the National Flood Insurance Program, the department shall include the federalfloodplain delineation as the department's minimum flood hazard area delineation for that watercourse, provided that the department has determined that the federalfloodplain delineation is sufficient to carry and discharge the flood flow of the watercourse and is at least as protective of the public safety, health, and general welfare as the department's delineation.

(2) Notwithstanding any other provision of law, or rule or regulation adopted pursuant thereto, to the contrary, a person shall apply for a permit or other approval or authorization issued by the department pursuant to the “Flood Hazard Area Control Act,” P.L.1962, c. 19 (C.58:16A-50 et seq.), for a site based upon afloodplain delineation at least as protective as one approved by the Federal Emergency Management Agency for the National Flood Insurance Program, provided that (a) the federalfloodplain delineation is more recent than the department's delineation for the same watercourse, and (b) the department has determined that the federalfloodplain delineation is sufficient to carry and discharge the flood flow of the watercourse and is at least as protective of the public safety, health, and general welfare as the department's delineation.