Thursday, September 30, 2021 Business A closer look at how FEMA’s new flood risk rating system will affect Baton Rouge By Stephanie Riegel - September 30, 2021 FacebookTwitterLinkedinEmailPrint (file photo) According to a breakdown by ZIP code, the majority of National Flood Insurance Program policyholders in East Baton Rouge Parish, more than 50%, will see their rates decrease, probably by just a few dollars per month. Already an INSIDER? Sign in.