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Indiana Department of Natural Resources

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Indiana Department of Natural Resources

Water > Surface Water > Hydrologic / Hydraulic Models & Assessments > Indiana Floodplain Mapping Indiana Floodplain Mapping

The Engineering Service Center of the Indiana Department of Natural Resources, Division of Water, provides engineering and technical support in support of Floodplain Management in Indiana.

The three Engineering Services Basin Sections (North, Central, and South) develop hydrologic and hydraulic models and floodplain maps, review technical models submitted for permits and floodplain assessments, and evaluate proposed alterations to National Flood Insurance Program studies. 

Additionally, as a Cooperating Technical Partner  with FEMA, the three Engineering Services Basin Sections are continuously identifying, delineating and updating flood hazard areas, including floodway, flood fringe, and floodplain for all the counties in the State. 

This information will be used to update the Flood insurance Studies (FIS) and Flood Insurance Rate Maps (FIRMs) in a digital format. The new flood maps will allow the State, counties and municipalities to administer a floodplain management program to decrease existing flood damages, mitigate future flood damages, and promote the health, safety, and general welfare of the people of Indiana.

The following quick links identify major programs managed by or associated with the Engineering Service Center.