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The purpose of this page is to define setbacks, a commonly used term in floodplain management.


Setbacks may be used to keep development out of harm's way. Setback standards establish minimum distances that structures must be positioned (or set back) from river channels and coastal shorelines. Setbacks can be defined by vertical heights or horizontal distances. Setbacks are not required by the National Flood Insurance Program (NFIP). The Community Rating System (CRS) credits setbacks under Higher Regulatory Standards, Special Hazards Regulations.


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Special Topic Resources

  • CRS Credit for Special Hazards Regulation - Coasta 
    • CRS Commentary Supplement for Special Hazards Credit p. 32
  • Planning Considerations for Floodprone Areas 
Last Updated: 
05/23/2019 - 08:52