Apply for a Floodplain Permit

About Apply for a Floodplain Permit

If you are planning a construction project on your property and it is in the floodplain, you may need a Simplified Floodplain Permit or a Floodplain Variance and Floodplain Permit.

Simplified Floodplain Permit

A Simplified Floodplain Permit is required for the following types of work in the floodplain:

  • Trade (electrical, mechanical, plumbing) and fire protection permits for interior improvements to structures within the floodplain.
  • Public utilities.
  • Public facilities owned or operated by the city.
  • Minor landscaping installation and maintenance.
  • Split-rail fences or other non-obstructive fences.
  • Play or seating equipment.
  • Patios, decks, paths, and paving less than 1,000 square feet (must not raise the surrounding grade by more than 1 foot).
  • Recreational vehicles stored in the floodplain.

Floodplain Variance and Floodplain Permit

A Floodplain Variance and Floodplain Permit is required for all other development or construction in the floodplain, including the following types of work in the floodplain:

  • Dredging, excavating, filling, or grading the land.
  • Construction of new structures.
  • Substantial improvement of structures, including repair of substantial damage to structures.
  • Construction, repair, or substantial improvement of gas or liquid storage tanks that are principally above ground.
  • Placement or replacement of manufactured structures, including substantial improvement or repair of substantial damage to manufactured structures.
  • Erecting or installing a temporary structure.
  • Alteration of a watercourse, including stream relocation, stream stabilization, or stream restoration.
  • Subdividing or resubdividing lots that contain Special Flood Hazard Areas.

Note: Structures include principal structures and accessory structures, such as garages or sheds.