Investigation Documents

Areas and Sites Being Investigated

NHDES is currently investigating a number of sites across New Hampshire for the presence of PFAS in groundwater.  Investigation documents related to each site are available on our OneStop Data and Information webpage

To access the site information:

  • Click on OneStop site (link above)
  • Click on 2nd bullet (One Stop Data)
  • In the first fill-in field: Any DES Interest Id – enter the site number
  • Click “Enter”

Below are the sites and their site number.

Saint-Gobain Investigation Area – Bedford, Litchfield, Londonderry, Manchester, Merrimack  199712055
TCI  Investigation Area – Amherst, Hollis 201605022
Pease – Newington 198404025
Merrimack Landfill 200107101
Souhegan Landfill – Amherst 198704029
Bedford Landfill 198704084
Coakley Landfill – Greenland, North Hampton, Portsmouth and Rye 198712001
Grove Road Landfill – Rye 198704080
LLS Landfill – Salem 198405024
 Rockingham County Complex/Fire Training Facility – Brentwood  198906062
 Meadowood Fire Training Facility – Fitzwilliam, Troy  200009052
 Kingston Fire Department  199103103
 New Boston Air Force Station Former Fire Department  198710027
 Gilford Municipal Complex/Fire Department  198402001
 Former location of Windham Fire Department  199301018
 Central Metal Finishing –  Windham  201704035
 Madbury Metals  198705022
 Lydall Performance Materials, Inc. – Rochester  198405009
 Mammoth Road – Londonderry  201610174
 Trowbridge Drive – Merrimack  201610175
 Hampstead Middle School  199501036
 Marlow Elementary School  201610173
 Franklin Wastewater Treatment Facility  198811021