Floodplain Maps

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The Flood Insurance Rate Maps (FIRM) are the official maps used by the Federal Emergency Management Agency (FEMA) to delineate the elevations and boundaries of the 100-year floodplain. Properties located within a designated floodplain must comply with floodplain regulations adopted by Logan County. The boundaries of the 100-year floodplain are indicated on these maps by a blue area designated as Zone A (a base flood elevation is Not determined) or Zone AE (a base flood elevation is determined).

 

The County offers a couple of options for determining if a property is within the floodplain.

  • Use the FEMA's National Flood Hazard Layer and use the "Find Address or Place" tool located on the upper right corner of the site and type in the address of the property. The site should locate and zoom to the property. The site should show an aerial view of the property, the location of the floodplain boundary and the official Map Panel Number and effective date.
  • In coordination with Logan County's GIS Internet Mapping application, the floodplain layer can be turned on to overlay the boundaries of the 100-year floodplain with the County's parcel layer, road layer, and aerial photography. The floodplain layer can be found under the "Environmental" layer.
  • Use the Map Index below to find the Panel Number. To view an individual map either click on the map number in the Index for a higher resolution map or click on a lower resolution PDF map to view the panel (PDF's listed below map).

 

 

 

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Floodplain Maps PDF (low resolution)

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