Flood Insurance Myths and Facts About the National Flood Insurance Protection Program. Who needs flood insurance? Everyone. And everyone in a participating community of the National Flood Insurance Program (NFIP) can buy flood insurance.  For a listing of communities in Iowa that DO and DO NOT participate in the National Flood Insurance Program, click HERE. Nationwide, almost 20,000 communities have joined the Program. In some instances, people have been told that they cannot buy flood insurance because of where they live. Find answers to your flood insurance questions by clicking here. Don't have a PDF Reader?  Click on this link to download Adobe Reader.