Flood Plain Development

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The City of Ames participates in the National Flood Insurance Program. This program allows all property owners in the City to obtain flood hazard insurance for their structures and contents. In some instances, the purchase of flood insurance may be mandated by your mortgage lender.

The Special Flood Hazard Area is determined by the Federal Emergency Management Agency following a hydraulic and hydrologic study of the community. The most recent study was released on October 16, 2014. Its maps were adopted by the City Council as the City’s Flood Plain Map. The map identifies the areas in which there is a one percent chance of a flooding event in any given year (also known as the 100-year flood). Currently, the City is reviewing new proposed maps for all of Ames. more information can be found here.

Most activities in the Special Flood Hazard Area are regulated by Chapter 9 of the Ames Municipal Code. Any excavating, filling, grading, construction of new structures, or remodeling of existing buildings requires submittal of a Flood Plain Development Permit Application. In general, allowed activities within the Floodway are severely restricted. Activities within the Floodway Fringe may be allowed if they meet certain performance standards. These standards usually involve elevating or floodproofing a structure.

Please use the Staff Contacts link at the left to contact Justin Moore with questions.






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