Kyle Bagenstose, Dinah Voyles Pulver and Kevin Crowe, USA TODAY Published 9:45 pm UTC Feb. 23, 2021 With a major overhaul of the nation’s flood insurance program just months away, new data released Monday by the First Street Foundation suggests hundreds of thousands of homeowners in the riskiest locations across America could face massive rate hikes starting in October. The Brooklyn, New York-based research group estimates the average rate needs to more than quadruple on the nation’s most flood-prone homes under the ongoing effort to make the federal flood insurance program solvent and ensure homeowners most at risk are paying their fair share.