Flood Information and Data

What is a 100-year flood? - great information from the USGS to address some of the misconceptions of this commonly misunderstood term.

Elevation Certificate (2019)

National Flood Insurance Program

National Flood Insurance Program (NFIP) Technical Bulletins

Floodplain Management in Indiana Quick Guide (IDNR, 2025)

Digital Flood Insurance Rate Maps

FEMA Flood Map Service Center - View, Print or Purchase Flood Maps and LOMCs

Indiana Floodplain Mapping - Great resource for all things flood-related in Indiana, including downloadable GIS files

Indiana Floodplain Information Portal - an interactive floodplain mapping tool, which includes address searching and eFARA, FIS Studies, and local information including floodplain administrators

Indiana Hydrology and Hydraulics Model Library - View and download previous hydrologic and hydraulic models developed for Flood Insurance Studies, Construction in a Floodway applications, Floodplain Analysis / Regulatory Assessment (FARA), others