NH Office of Energy and Planning
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FEMA Flood Insurance Studies, which accompany the floodplain maps, and other flood studies and data developed by other federal and state agencies.

A Flood Insurance Study (FIS) is developed in conjunction with the Flood Insurance Rate Map (FIRM). The FIS contains a narrative of the flood history of a community and discusses the engineering methods used to develop the FIRMs. The study also contains flood profiles for studied flooding sources and can be used to determine Base Flood Elevations for some areas.

All FISs can be viewed on FEMA's Map Service Center or .pdf versions of the FISs for communities in all counties except Belknap can be viewed and downloaded from UNH's GRANIT website.

Technical and administrative support data associated with an FIS may be available by request from FEMA's Project Library or the FEMA Region 1 office in Boston.

NH Flood Studies and Data

High Flows in NH and VT from Tropical Storm Irene Estimated by USGS

Suncook River Studies

USGS Estimation of Flood Discharges at Selected Recurrence Intervals for Streams in NH

Comprehensive Flood Management Study Commission (NH House Bill 648)

Investigation of April 2007 Flood in Southern and Southeastern New Hampshire

April 2007 Flood Data

May 2006 Flood Report

October 2005 Flood Report and Data

Portable Document Format Symbol Portable Document Format (.pdf). Visit nh.gov for a list of free .pdf readers for a variety of operating systems.


NH Office of Energy and Planning
Governor Hugh J. Gallen State Office Park
Johnson Hall, 3rd Floor  |  107 Pleasant Street  |  Concord, NH 03301
(603) 271-2155  |  fax: (603) 271-2615