The reason for federal flood insurance is the “100 year flood”. As major floods are correlated private insurance struggles not to simply go bust. Given that m

The reason for federal flood insurance is the “100 year flood”. As major floods are correlated private insurance struggles not to simply go bust. Given that most buildings are built for 30-40 year spans, forcibly rebuilding once per century can be done economically. The problems arise when hundred year floods become 10-30 year floods.