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Floodplain development requirements:

  • Any work done in the 100-year floodplain requires review including:
    • New or expanded structures
    • Reconstruction
    • Any dirt work, such as boring, grading, or excavation
  • Floodplain determined by the Federal Emergency Management Agency (FEMA)
  • State review by the Iowa DNR
  • Local Floodplain Development Permit

State review:

  • Joint Application required to determine state permits required
  • State review must be completed before local review. 

Local Floodplain Information

Cerro Gordo County participates in the National Flood Insurance Program. In order to ensure benefits of the program for county residents, we must make sure any work in a floodplain is up to DNR and local requirements. Local rules are established in Chapter 21 of the County Zoning Ordinance.