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States / NH

New Hampshire

22

Superfund NPL sites

18

water systems with PFAS detections

16

systems above a final limit

404k lb

reported 2024 releases

Belknap County: 0 Superfund NPL sitesCarroll County: 1 Superfund NPL sitesCheshire County: 1 Superfund NPL sitesCoos County: 1 Superfund NPL sitesGrafton County: 0 Superfund NPL sitesHillsborough County: 6 Superfund NPL sitesMerrimack County: 0 Superfund NPL sitesRockingham County: 9 Superfund NPL sitesStrafford County: 4 Superfund NPL sitesSullivan County: 0 Superfund NPL sites

Superfund NPL sites, by county

  • none
  • 1 to 1
  • 2 to 3
  • 4 to 5
  • 6 or more

Counties

CountyNPLCleanup sitesPFAS systemsTRI facilitiesOpen tank releases
Hillsborough County633434134
Rockingham County9201128128
Merrimack County0221373
Strafford County4801249
Grafton County0201464
Cheshire County161226
Belknap County050346
Carroll County110137
Sullivan County010415
Coos County140222

Superfund sites in New Hampshire