Welcome. This website will be used to update interested parties on NHDES’ current investigation into the presence of Per- and Polyfluoroalkyl Substances (PFAS) in New Hampshire. You can access our previous webpage for archived information: https://www.des.nh.gov/organization/commissioner/pfoa.htm.
Saint-Gobain provides a list of alternate water remedies for approximately 600 properties covered by the April 2022 Alternate Water Agreement
NHDES, in conjunction with the Office of the Attorney General, completed its review of Saint-Gobain Performance Plastics (SGPP) proposal to permanently provide safe drinking water to additional properties within portions of the towns of Bedford, Hudson, Litchfield, Londonderry, and Merrimack, New Hampshire that are located inside the Consent Decree Outer Boundary. This proposal from Saint-Gobain Read More
EPA Announces New Drinking Water Health Advisories for PFAS Chemicals
On Wednesday, June 15, 2022, the US Environmental Protection Agency (EPA) announced several non-enforceable health advisories for certain Per- and Polyfluoroalkyl Substances (PFAS), including new interim health advisories for Perfluorooctanoic Acid (PFOA) and Perfluorooctane sulfonate (PFOS), as well as final health advisories for GenX and Perfluorobutane sulfonic acid (PFBS). More information on these advisories can Read More
Recording of Wednesday, May 4 meeting regarding the recent agreement with Saint-Gobain to provide alternate water to approximately 1,000 properties
On Wednesday May 4, NHDES held a remote meeting to discuss an agreement signed between NHDES, represented by the Office of the Attorney General, and Saint-Gobain Performance Plastics (SGPP) to permanently provide safe drinking water to approximately 1,000 properties located in portions of the towns of Bedford, Hudson, Litchfield, Londonderry, and Merrimack, New Hampshire. The Read More
Meeting Reminder: Remote meeting Wednesday, May 4 to discuss recent agreement with Saint-Gobain to provide alternate water to approximately 1,000 properties
On April 18, NHDES, represented by the Office of the Attorney General, and Saint-Gobain Performance Plastics (SGPP) announced that they reached an agreement to permanently provide safe drinking water to approximately 1,000 properties located in portions of the towns of Bedford, Hudson, Litchfield, Londonderry, and Merrimack, New Hampshire. The agreement also provides a framework for Read More
Press Release: NHDES and Saint-Gobain Performance Plastics Reach Agreement on Provision of Alternate Drinking Water
News from the New Hampshire Department of Environmental Services FOR IMMEDIATE RELEASE DATE: April 18, 2022 CONTACT: Jim Martin, (603) 271-3710 des.nh.gov twitter.com/NHDES New Hampshire Department of Environmental Services and Saint-Gobain Performance Plastics Reach Agreement on Provision of Alternate Drinking Water Concord, NH – The New Hampshire Department of Environmental Services (NHDES), represented by the Read More
Status Report on the Occurrence of PFAS Contamination in NH, December 2021
Pursuant to the Laws of the State of New Hampshire, January Session of 2018 Chapter 306:2 (HB 1766), NHDES submitted an update report, which satisfies the twice yearly reporting, to the Legislature, on the occurrence of per- and polyfluoroalkyl substances (PFAS) in New Hampshire. To view the report: Status Report on the Occurrence of PFAS Read More
ATSDR Health Consultation Virtual Public Meeting Recording and Resources
A virtual information session was held on Wednesday, February 2, 2022, from 6:30 to 8:00 PM, EST, where the Agency for Toxic Substances and Disease Registry (ATSDR) discussed its health consultation report that describes PFAS levels in private wells near the Saint Gobain Site in Merrimack, New Hampshire. The report evaluates the potential exposure to Read More
Results from Saint-Gobain stack tests conducted on September 7-10, 2021
On July 14, 2021, the Saint-Gobain Performance Plastics (Saint-Gobain) facility in Merrimack completed the installation and commenced operation of the regenerative thermal oxidizer for the control of per- and polyfluorinated compounds (PFAS) emissions from their manufacturing facility. Comprehensive stack testing utilizing the services of Barr Engineering Co. (Barr) to collect the samples and Eurofins TestAmerica Read More
Report: PFAS Baseline Study – Lake Fish Specimen, Surface Water and Sediment, Multiple Lakes, New Hampshire
New report: PFAS Baseline Study Lake Fish Specimen, Surface Water and Sediment Multiple Lakes, New Hampshire Appendix for the report available upon request. Contact Ken Edwardson
Status Report on the Occurrence of PFAS Contamination in NH, June 2021
Pursuant to the Laws of the State of New Hampshire, January Session of 2018 Chapter 306:2 (HB 1766), NHDES submitted an update to a June 2020 report, which satisfies the twice yearly reporting to the Legislature, on the occurrence of per- and polyfluoroalkyl substances (PFAS) in New Hampshire. To view the report: Statewide PFAS Occurrence Status Read More