Administration Hero

Know Your Flood Hazard

Find Out Your Flood Zone

  • Are you in the mapped Special Flood Hazard Area or floodway as shown on your FIRM?
  • FIRM (Flood Insurance Rate Map) is the official map of a community on which FEMA has delineated both the special hazard areas and the risk premium zones applicable to the community.
  • Are you in coastal high hazard area or V Zone as shown on your FIRM?
  • What is an appropriate flood protection level? (How high should you prepare for?)

This information can be obtain by contacting the Horry County Code Enforcement office at 843-915-5090 or by the FEMA Flood Maps.

Check out your local drainage situation.

  • Does water flow away from your house or does it tend to stand next to your walls?
  • Is the ditch, stream or storm sewer that takes water away clear of debris or obstructions?
  • Do the downspouts from your roof gutters direct water well away from your house?
  • Do you have a sump pump? If so, does it direct water well away from your house?

Additional information can be obtained by contacting the Horry County Stormwater Management office at 843-915-5160 

Find out your storm surge risk.

  • What evacuation zone is your residence located in?
  • What type of risk is your residence in for storm surge?
  • Do you have an evacuation plan?

Additional information can be obtained by contacting the Horry County Emergency Management office at 843-915-5150

Flood Warning Information

  • Know where to obtain flood warning information when potential flooding may occur. Understand the differences between a flood watch and flood warning.
  • Have multiple ways of receiving emergency alerts.
  • NOAA weather radios, wireless emergency alerts (WEA), and smartphone apps are all good options to obtain flood warning information.