New Hampshire Water Quality Reports
Comprehensive water quality data for 99 cities across New Hampshire. View EPA-verified contaminant levels and get filter recommendations.
99
Cities
1
Safe
9
Monitor
6
At Risk
18
Limited testing
65
No Test Data
Water Quality by County
Explore aggregated water quality scores across New Hampshire counties. Scores are calculated based on EPA data and weighted by population.
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Data from 10 cities serving 277,356 people across 4 counties.
Common Contaminants in New Hampshire
15 cities in New Hampshire have at least one contaminant above EPA health guidelines.
Worried about Perfluorooctanoic acid in your water?
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Upload my testCities in New Hampshire
Manchester
People Served124K
23 results on file
Above Guidelines1
View Report โ
Nashua
People Served88K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Concord
People Served44K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Hampton
People Served34K
23 results on file
Above Guidelines2
View Report โ
Portsmouth
People Served33K
23 results on file
Above Guidelines2
View Report โ
Keene
People Served30K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Dover
People Served29K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Merrimack
People Served25K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Rochester
People Served25K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Salem
People Served20K
23 results on file
Above Guidelines1
View Report โ
Derry
People Served17K
23 results on file
Above Guidelines1
View Report โ
Laconia
People Served17K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Hudson
People Served17K
23 results on file
Above Guidelines1
View Report โ
Durham
People Served16K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Seabrook
People Served14K
23 results on file
Above Guidelines2
View Report โ
Exeter
People Served12K
23 results on file
Above Guidelines2
View Report โ
Somersworth
People Served12K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Lebanon
People Served10K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Berlin
People Served10K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Milford
People Served10K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Plymouth
People Served7K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Newmarket
People Served5K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Newport
People Served5K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Jaffrey
People Served4K
23 results on file
Above Guidelines3
View Report โ
Meredith
People Served4K
No contaminant results on file
Above Guidelines0
View Report โ
Bristol
People Served3K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Grantham
People Served3K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Raymond
People Served3K
23 contaminants listed, only PFAS results from EPA's UCMR 5 on file
Above Guidelines0
View Report โ
Farmington
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Waterville Valley
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Goffstown
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Hooksett
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Winchester
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Lincoln
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
New London
People Served3K
30 results on file
Above Guidelines0
View Report โ
Conway
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Groveton
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Northumberland
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Gorham
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Charlestown
People Served3K
No contaminant results on file; EPA lead 90th percentile above the 15 ppb action level
Above Guidelines1
View Report โ
Henniker
People Served3K
No contaminant results on file
Above Guidelines0
View Report โ
Lancaster
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Moultonborough
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Hillsborough
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Alton
People Served2K
No contaminant results on file; EPA lead 90th percentile above the 15 ppb action level
Above Guidelines1
View Report โ
Bethlehem
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Wilton
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Rollinsford
People Served2K
No contaminant results on file; EPA lead 90th percentile above the 15 ppb action level
Above Guidelines1
View Report โ
Sunapee
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Whitefield
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Epping
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Hinsdale
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Hopkinton
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Ashland
People Served2K
No contaminant results on file
Above Guidelines0
View Report โ
Sanbornville
People Served1K
19 contaminants listed, no results on file
Above Guidelines0
View Report โ
Enfield
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Colebrook
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Troy
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Greenville
People Served1K
No contaminant results on file; EPA lead 90th percentile above the 15 ppb action level
Above Guidelines1
View Report โ
Walpole
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Lisbon
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Meriden
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Campton
People Served1K
No contaminant results on file; EPA lead 90th percentile above the 15 ppb action level
Above Guidelines1
View Report โ
New Hampton
People Served1K
No contaminant results on file; EPA lead 90th percentile above the 15 ppb action level
Above Guidelines1
View Report โ
Warner
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Jackson
People Served1K
No contaminant results on file
Above Guidelines0
View Report โ
Plainfield
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Lyme
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Amherst
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Atkinson
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Barrington
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Bedford
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Brentwood
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Center Harbor
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
East Merrimack
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Gilford
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Glen
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Glenciff
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Hampton Beach
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Hillsboro
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Holderness
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Intervale
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Lakeport
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Madison
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
North Walpole
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
North Woodstock
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Northwood
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Sandown
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Seabrook Beach
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
South Hooksett
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Stratham
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Tamworth
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Thornton
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Tilton
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Warren
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Weare
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
West Ossipee
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Windham
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
Woodsville
People Served0K
No contaminant results on file
Above Guidelines0
View Report โ
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