Welcome to the New Hampshire Port Authority.
we manage and maintain New Hampshire’s Tidal Waterways.
The Division of Ports and Harbors maintains and develops New Hampshire’s vital waterways to help support and grow commerce including freight shipments through the state’s ports and the Piscataqua River and Portsmouth Harbor. We also assist in the development of salt water fisheries and related industries.
New Hampshire’s Water Access for All
Our ports, harbors and navigable tidal rivers offer recreational, commercial, and industrial access for residents, visitors, fisheries, pleasure fishermen and boat owners.