ASFPM Report: Flood Mapping in the Nation

Tuesday, February 11, 2020 4:53 PM | Gregory Westfall (Administrator)
Flood Mapping for the Nation

Since 1969, the US has invested $6.6 billion ($10.6 billion in 2019 dollars) in flood hazard mapping, resulting in nearly $22 billion in losses avoided. 

But the work is far from over. Flood Mapping for the Nation provides a cost analysis for completing and maintaining the nation's NFIP flood map inventory.

Download the Report

Only 1/3 of the nation's streams have currently been mapped. 

Floodplain mapping is a sound investment that saves lives, reduces flood losses, and keeps communities thriving, all at a 2-to-1 cost benefit for taxpayers.

In its Flood Mapping for the Nation report, ASFPM estimates the cost to complete flood mapping in the US at $3.2 billion to $11.8 billion. The steady-state cost to then maintain accurate and up-to-date flood maps ranges from $107 million to $480 million annually.

Floods are the leading cause of natural disaster losses in the US, and more than half of American voters are personally impacted by floodingWithout complete or accurate flood maps, local officials face serious difficulties in guiding development away from the most hazardous areas or ensuring that development is properly built to protect lives and property.  For more information go to here.

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New Jersey Association For Floodplain Management
P.O. Box 1326 Trenton, New Jersey 08607

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