Parent Layer: FEMA Floodplains

Name: 2-year Floodplain

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Description: The Floodplain Mapping/Redelineation study deliverables depict and quantify the flood risks for the study area. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual- chance flood event, and areas of minimal flood risk. The Floodplain Mapping/Redelineation flood risk boundaries are derived from the engineering information Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA).

Service Item Id: 65a419082ed942e0855b5062d773b9b6

Copyright Text: Iowa Department of Natural Resources provided funding and project management, and staffing for this project., Iowa Flood Center, IIHR, University of Iowa, provided staffing and oversight for this project.

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Spatial Reference: 26915  (26915)

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