Official PFAS Records
New Hampshire PFAS Watchlist
Official EPA UCMR 5 PFAS monitoring records for public water systems in New Hampshire. 47 water systems with qualifying official records.
Source retrieved: May 26, 2026 · EPA UCMR 5
Monitoring results are not compliance determinations. Missing records do not establish absence of PFAS. Methodology
47
Systems with records
7,795
Total records
145
Official detections
| Water System | Records | |
|---|---|---|
Manchester Water Works Manchester | 116 | View |
Pennichuck Water Works Nashua | 116 | View |
Concord Water Dept Concord | 116 | View |
Portsmouth Water Works Portsmouth | 522 | View |
Keene Water Dept Keene | 232 | View |
Dover Water Dept Dover | 290 | View |
Merrimack Village Dist Merrimack | 174 | View |
Rochester Water Dept Rochester | 149 | View |
Salem Water Dept Salem | 232 | View |
Aquarion Water/nh Hampton | 232 | View |
Derry Water Dept Derry | 116 | View |
Laconia Water Works Laconia | 116 | View |
Hudson Water Dept Hudson | 58 | View |
Unh/durham Water Sys Durham | 174 | View |
Seabrook Water Dept Seabrook | 193 | View |
Lebanon Water Dept Lebanon | 116 | View |
Exeter Water Dept Exeter | 174 | View |
Somersworth Water Works Somersworth | 116 | View |
Pease Trade Port Portsmouth | 29 | View |
Hanover Water Dept | 116 | View |
Berlin Water Works Berlin | 174 | View |
Milford Water Utilities Dept Milford | 174 | View |
Claremont Water Dept Claremont | 116 | View |
Franklin Water Works Franklin | 232 | View |
Hampstead Area Water Hampstead | 696 | View |
Litchfield Litchfield | 174 | View |
Plymouth Vlg Water and Sewer Plymouth | 116 | View |
Littleton Water and Light Littleton | 87 | View |
Londonderry Londonderry | 116 | View |
Wolfeboro Water and Sewer Wolfeboro | 116 | View |
North Conway Water Pct Conway | 290 | View |
Pembroke Water Works Pembroke | 232 | View |
Newmarket Water Works Newmarket | 116 | View |
Newport Water Works Newport | 174 | View |
Central Hooksett Water Pct Hooksett | 116 | View |
Peterborough Water Works Peterborough | 174 | View |
Rye Water Dist Rye | 29 | View |
Lower Bartlett Water Pct Bartlett | 116 | View |
Jaffrey Water Works Jaffrey | 232 | View |
Penacook Boscawen Water Pct Boscawen | 174 | View |
Bristol Water Works Bristol | 174 | View |
Village Dist of Eastman Grantham | 58 | View |
Raymond Water Dept Raymond | 174 | View |
New London Springfield Water New London | 58 | View |
Little Pond Estates Bedford | 116 | View |
Village District of Eidelweiss Madison | 116 | View |
River Run Condos Bartlett | 58 | View |
Source: EPA UCMR 5 Occurrence Data · Methodology