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2016 - 2017
Merrimack River (NH) GRP Project

This project was completed in 2017.  The 6 Geographic Response Plans that were developed are listed below and are available at the Regional Response Team 1 website located here.  5 GRP were previously developed for the Merrimack River in Massachusetts in 2014.  More information on that project can be found here.


EPA Region 1

Karen Way

GRS Project Coordinator


Nuka Research

Mike Popovich

Senior Project Manager


MR-NH-01 Nashua

MR-NH-02 Pennichuck

MR-NH-03 Merrimack/Souhegan

MR-NH-04 Manchester

MR-NH-05 South Hooksett

MR-NH-06 Suncook/Hooksett

Merrimack River

For this project, GRP development will focus on the portion of the Merrimack River between Hooksett and the NH/MA border. 

Work Group Participants


  • Town of Bedford, NH

  • Town of Hooksett, NH

  • City of Manchester, NH

  • City of Nashua, NH

  • Town of Randolph, NH

  • Town of Shelburne, NH

  • Annheuser-Busch

  • Audubon Society of New Hampshire

  • Eversource

  • National Response Corporation

  • New Hampshire DES

  • New Hampshire Div. of Historical Resources

  • New Hampshire Fish & Game

  • Pennichuck Water Works


  • U.S. EPA

  • U.S. Coast Guard

  • U.S. Geological Survey

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January 01, 2020

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Initial Work Group Meeting

January 23, 2017

Dartmouth Hitchcock Conference Center, 2300 Southwood Drive, Nashua, NH, 03063

Work Group participants were briefed on project details including the site selection process, plan for site surveys, development of tactics for each site, and final review and approval of all GRPs. 


Meeting Agenda


Meeting Summary


Meeting Powerpoint

Site Selection Meeting

March 15, 2017

Eversource Merrimack Station, 431 River Rd., Bow, NH 03304

Participants reviewed the site sensitivity data compiled from Work Group members as well as the EPA, NH DES, and Nuka Research, and identified the 6 GRP development sites. Information was presented in a site selection matrix for each of the river systems considered. 



Meeting Agenda


Meeting Powerpoint

Disaster Prep

(Supplementary Powerpoint)


Meeting Summary


Final Site Selection Matrix

Site Surveys

Wedensday, May 24, 2017

Nuka Research conducted site surveys to obtain additional information about each GRP site that informed the development of tactics and noted logistical and other issues.

Site Survey Schedule

Site Survey Data Collection Form

Site Survey Summary

Tactics Sub-Group Meeting

June 23, 2017

Via Webinar

The Tactics Sub-Group was comprised of select individuals from the project Work Group with direct experience and expertise in inland spill response, GRP development, and/or in-depth knowledge of the river system.  The Sub-Group reviewed draft GRP maps showing the tactics and strategies recommended by the site survey team.  Changes to these initial tactics and strategies were made based on input from the Tactics Sub-Group, and the GRPs were updated prior to final review by the Work Group.  

Final Work Group Meeting

August 02, 2017

10:30am - 12:00pm via Webinar

This was the final meeting of the Merrimack River GRP Work Group.  During this meeting, each draft GRP was presented for review and comment prior to finalization.

Meeting Summary

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