Bruce Rauner, Governor

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Flood Modernization
   Flood Map Modernization   

Advantages of Digital Maps

  • Map revisions will be faster and easier.

  • Communities can incorporate the digital flood map data with local data, such as parcel data.

  • Letters of Map Change (LOMCs) can be incorporated on the digital map on a more frequent basis than in the past. Once incorporated, the community may print the revised map rather than have separate pages of copied LOMCs.

  • The standard base map for the new, two-color Digital Flood Insurance Rate Maps (DFIRMs) is orthophotography, with flood boundaries shown in blue. Using aerial photography as the base map will help to make floodplain determinations easier.

  • This link will take you to a detailed explanation of digital map creation.

  • This link will take you to more information on new and future flood studies.

Flood Map Modernization

 Advantages of Digital Maps
 Project Status
 Model Ordinance
 Program Material
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