What is a conditional map revision?
NFIP maps must be based on existing, rather than proposed, conditions. Because flood insurance is a financial protection mechanism for real-property owners and lending institutions against existing hazards, flood insurance ratings must be made accordingly. However, communities, developers, and property owners often undertake projects that may alter or mitigate flood hazards and would like FEMA’s comment before constructing them. A Conditional Letter of Map Revision (CLOMR) is FEMA’s formal review and comment as to whether a proposed project complies with the minimum NFIP floodplain management criteria. If it is deter-mined that it does, the CLOMR also describes any eventual revisions that will be made to the NFIP maps upon completion of the project. While obtaining a CLOMR may be desired, obtaining conditional approval is not automatically required by NFIP regulations for all projects in the floodway or 1-percent annual chance floodplain. A CLOMR is required only for those projects tha
