Search
 
Commentary

Is U.S. flood risk far higher than previously believed?

If a new study led by the University of Bristol is to be believed, 41 million Americans are at risk from flooding rivers.

Flooded roadway. Experts acknowledge the significant opportunity for insurers due to the amount of property uninsured against flood.

If a new study led by the University of Bristol is to be believed, 41 million Americans are at risk from flooding rivers, according to phys.org. That’s more than three times than the current estimate of 13 million people.

The Bristol study is based on a new high-resolution model that maps flood risk across the entire continental U.S., whereas the existing regulatory flood maps produced by the Federal Emergency Management Agency (FEMA) cover about 60% of the continental U.S.

Want to continue reading?
Become a Free
PropertyCasualty360 Digital Reader.

INCLUDED IN A DIGITAL MEMBERSHIP:

  • All PropertyCasualty360.com news coverage, best practices, and in-depth analysis.
  • Educational webcasts, resources from industry leaders, and informative newsletters.
  • Other award-winning websites including BenefitsPRO.com and ThinkAdvisor.com.

Already have an account?

NOT FOR REPRINT

© 2025 ALM Global, LLC, All Rights Reserved. Request academic re-use from www.copyright.com. All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.

Shawn Moynihan

Shawn Moynihan

Shawn Moynihan is Editor-in-Chief of National Underwriter Property & Casualty. A St. John’s University alum, Moynihan has earned 11 Jesse H. Neal Awards, the Pulitzers of the business press; seven Azbee Awards, from the American Society of Business Press Editors; two Folio Awards; and a SABEW award, from the Society of American Business Editors & Writers. Prior to joining ALM, he served as Managing Editor/Online Editor of journalism institution Editor & Publisher, the trade bible of the newspaper industry. Moynihan also has held editorial positions with AOL, Metro New York, and Newhouse Newspapers. He can be reached at [email protected].

More from this author

Recommended Stories

PropertyCasualty360

Join PropertyCasualty360

Don’t miss crucial news and insights you need to make informed decisions for your P&C insurance business. Join PropertyCasualty360.com now!

  • Unlimited access to PropertyCasualty360.com - your roadmap to thriving in a disrupted environment
  • Access to other award-winning ALM websites including BenefitsPRO.com, ThinkAdvisor.com and Law.com
  • Exclusive discounts on PropertyCasualty360, National Underwriter, Claims and ALM events

Already have an account? Sign In Now
Join PropertyCasualty360

Copyright © 2025 ALM Global, LLC. All Rights Reserved.