Main Content

National Flood Hazard Layer (NFHL) GIS Services User Guide

FEMA provides access to the National Flood Hazard Layer (NFHL) and related data through GIS services, which are made available through a variety of different protocols. You can use the services to add web-based digital flood hazard maps, or access mapping attributes, within a variety of applications.

SizePublication Date
Icon for file of type application/pdfNFHL GIS Services User Guide