US Army Corps of Engineers
New England District

Portsmouth Harbor and Piscataqua River Navigation Improvement Project

The purpose of the study is determine whether navigation improvements to the existing Federal navigation Click for high-resolution photo of Portsmouth Harborproject at Portsmouth Harbor and Piscataqua River are warranted and in the Federal interest. The existing width of the upper turning basin is too narrow for efficient and safe handling of existing and future commerce. This report presents the results of studies concerning the feasibility of providing a wider turning basin to serve the terminals situated in the upper reach of the Piscataqua River. Available documents include the Final Feasibility Report and Final Environmental Assessment and FONSI for Navigation Improvement Project (July 2014) and initial public notice and draft reports.

For more information, please contact the Project Manager, by email.

- Updated: 6 March 2017

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