MD iMAP: Maryland Floodplain - Effective FEMA Floodplain
This is a MD iMAP hosted service. Find more information at  http://imap.maryland.gov. The Effective Floodplain layer represents the official regulatory floodplain as adopted by FEMA and a given local community for the National Flood Insurance Program (NFIP). Effective data should be used wherever it is available - …