The FEMA floodplain maps for New Hampshire communities can be viewed at the following locations.
FEMA Map Service Center
The FEMA Map Service Center (MSC) is the official online public source for flood hazard information produced in support of the NFIP. The MSC web site can be used to find current, historic, preliminary (draft), and pending (future) FEMA Flood Insurance Rate Maps (FIRM) as well as the current Flood Insurance Studies (FIS), which can be viewed, downloaded, or printed. Also available are the FIRM and FIS GIS Databases, Letters of Map Changes, and Non-Regulatory Flood Risk Products.
- Find Your Flood Zone and Create a Printable Version of a Map
- How to View Preliminary Maps and Additional Products
- Comparing Preliminary and Effective Flood Maps
- How to View Pending Maps and Additional Products
- Using the National Flood Hazard Layer Web Map Service in Google Earth™
NH GRANIT at the University of New Hampshire is currently a FEMA Cooperating Technical Partner and the host of the state's geographic information system (GIS) clearinghouse. Floodplain mapping for all NH communities except those in Belknap County can be viewed using the following links. To view Belknap County community floodplain maps, please go to the FEMA Map Service Center.
- Current FEMA Floodplain Maps and Flood Insurance Studies
- GRANITView (interactive online viewer)
- NH Coastal Viewer (interactive online coastal mapping tool)
- GIS Data (theme keyword: flood)
Current NH Floodplain Mapping Activities
The Current NH Floodplain Mapping Activities web page includes information about FEMA's current floodplain mapping activities in New Hampshire.
NH Office of Strategic Initiatives
OSI maintains a collection of all past and current NFIP maps and FISs for New Hampshire communities. We can usually provide copies of either the entire map or portions of the map at no charge. Please contact us for a map or study or to stop by to review the collection.