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
97
Safe
2
Monitor
0
At Risk
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 81 cities serving 766,405 people across 10 counties.
Common Contaminants in New Hampshire
2 cities in New Hampshire have at least one contaminant above EPA health guidelines.
Worried about Gross Alpha Activity in your water?
Upload your water test (PDF or a photo) and we'll email a plain-English reading of your Gross Alpha Activity result β and every other number β free. Educational only, no medical claims.
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Upload my testCities in New Hampshire
Manchester
People Served124K
Contaminants Tested0
Above Guidelines0
View Report β
Nashua
People Served123K
Contaminants Tested0
Above Guidelines0
View Report β
East Merrimack
People Served113K
Contaminants Tested0
Above Guidelines0
View Report β
Hudson
People Served105K
Contaminants Tested0
Above Guidelines0
View Report β
Dover
People Served29K
Contaminants Tested0
Above Guidelines0
View Report β
Rollinsford
People Served29K
Contaminants Tested20
Above Guidelines0
View Report β
Rochester
People Served26K
Contaminants Tested0
Above Guidelines0
View Report β
Merrimack
People Served25K
Contaminants Tested0
Above Guidelines0
View Report β
Laconia
People Served17K
Contaminants Tested0
Above Guidelines0
View Report β
Lakeport
People Served17K
Contaminants Tested0
Above Guidelines0
View Report β
Durham
People Served16K
Contaminants Tested0
Above Guidelines0
View Report β
Exeter
People Served14K
Contaminants Tested0
Above Guidelines0
View Report β
Seabrook Beach
People Served14K
Contaminants Tested0
Above Guidelines0
View Report β
Seabrook
People Served14K
Contaminants Tested0
Above Guidelines0
View Report β
Somersworth
People Served12K
Contaminants Tested0
Above Guidelines0
View Report β
Lebanon
People Served10K
Contaminants Tested0
Above Guidelines0
View Report β
Berlin
People Served10K
Contaminants Tested0
Above Guidelines0
View Report β
Milford
People Served10K
Contaminants Tested0
Above Guidelines0
View Report β
Plymouth
People Served7K
Contaminants Tested0
Above Guidelines0
View Report β
Newmarket
People Served5K
Contaminants Tested0
Above Guidelines0
View Report β
Newport
People Served5K
Contaminants Tested0
Above Guidelines0
View Report β
Raymond
People Served5K
Contaminants Tested0
Above Guidelines0
View Report β
Goffstown
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
Meredith
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
Hooksett
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
Jaffrey
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
Bristol
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Grantham
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Farmington
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Waterville Valley
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Winchester
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Lincoln
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
New London
People Served3K
Contaminants Tested20
Above Guidelines2
View Report β
North Woodstock
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Gorham
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Groveton
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Henniker
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Charlestown
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Tilton
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Lancaster
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Enfield
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Hillsboro
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Hillsborough
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Hinsdale
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Ashland
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Bethlehem
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Wilton
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Whitefield
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Epping
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Campton
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Holderness
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Sanbornville
People Served1K
Contaminants Tested20
Above Guidelines0
View Report β
Brentwood
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Colebrook
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Madison
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Troy
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Greenville
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Walpole
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Lisbon
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Warner
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Meriden
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
North Walpole
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
New Hampton
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Moultonborough
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Jackson
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Derry
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Amherst
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Hampton
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Alton
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Weare
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Bedford
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Lyme
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Center Harbor
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
South Hooksett
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Plainfield
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Northwood
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
West Ossipee
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Windham
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Hampton Beach
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Portsmouth
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Warren
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Stratham
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Conway
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Glen
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Atkinson
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Keene
People Served0K
Contaminants Tested106
Above Guidelines1
View Report β
Salem
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Barrington
People Served0K
Contaminants Tested3
Above Guidelines0
View Report β
Sandown
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Tamworth
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Northumberland
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Hopkinton
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Sunapee
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Concord
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Thornton
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Intervale
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Gilford
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Glenciff
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Woodsville
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
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