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New Hampshire tap water quality
PFAS results for 51 New Hampshire water systems from EPA's latest nationwide testing. Enter your address for your own utility's record and a filter recommendation.
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51systems tested
35%had PFAS detected
16over EPA's 4 ppt limit
Highest PFAS levels in New Hampshire
| Water system | Max PFOA (ppt) | Max PFOS (ppt) |
|---|---|---|
| Hudson Water Dept | 9 | — |
| Salem Water Dept | 8.5 | — |
| Rye Water Dist | 8.3 | 7.8 |
| Peu/Litchfield | 8.1 | — |
| Seabrook Water Dept | 8 | 5.3 |
| Hampstead Area Water | 7.2 | 7.5 |
| Portsmouth Water Works | 7 | 5 |
| Jaffrey Water Works | 6.6 | 5.6 |
| Pembroke Water Works | — | 6.5 |
| Peu/Londonderry | 6.4 | — |
All New Hampshire water systems
- Aquarion Water/Nh ⚠
- Concord Water Dept Nh
- Derry Water Dept ⚠
- Dover Water Dept Nh
- Exeter Water Dept ⚠
- Hudson Water Dept ⚠
- Keene Water Dept
- Laconia Water Works
- Lebanon Water Dept
- Manchester Water Works Nh ⚠
- Merrimack Village Dist
- Pennichuck Water Works
- Portsmouth Water Works ⚠
- Rochester Water Dept
- Salem Water Dept ⚠
- Seabrook Water Dept ⚠
- Somersworth Water Works
- Unh/Durham Water Sys
- Berlin Water Works
- Bristol Water Works
- Central Hooksett Water Pct ⚠
- Claremont Water Dept
- Franklin Water Works
- Hampstead Area Water ⚠
- Hanover Water Dept
- Jaffrey Water Works ⚠
- Little Pond Estates ⚠
- Littleton Water and Light Dept
- Lower Bartlett Water Pct
- Milford Water Utilities Dept
- New London Springfield Water
- Newmarket Water Works
- Newport Water Works
- North Conway Water Pct
- Pease Trade Port
- Pembroke Water Works ⚠
- Penacook Boscawen Water Pct
- Peterborough Water Works
- Peu/Litchfield ⚠
- Peu/Londonderry ⚠
- Plymouth Vlg Water and Sewer
- Pww/Farley Rd Estates
- Raymond Water Dept
- River Run Condos
- Rye Water Dist ⚠
- Saco River Forest
- United Natural Foods
- Village Dist of Eastman
- Village District of Eidelweiss
- Wolfeboro Water and Sewer
- Yankee Book Peddler
Questions
Does New Hampshire tap water have PFAS?
In EPA's UCMR 5 testing, 18 of 51 New Hampshire water systems (35%) had at least one PFAS compound detected, and 16 had PFOA or PFOS above EPA's 4 ppt limit.
What is the best water filter in New Hampshire?
It depends on your utility. Where PFAS is above EPA's limit, reverse osmosis is the most effective option. Where the main concern is lead from home plumbing or chlorine taste, a certified carbon filter is enough. Enter your address to get a match.