June 17, 2026
Chlorine & DBPs in New Hampshire Drinking Water 2026
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Chlorine & DBPs in New Hampshire Drinking Water 2026
Chlorine & DBPs contamination has been detected in drinking water systems across New Hampshire. Disinfection byproducts (THMs, HAAs) from chlorine treatment are linked to bladder cancer with long-term exposure. Our analysis of New Hampshire water quality reports found Chlorine & DBPs present in 239 cities and water systems statewide. If you live in one of these communities, a certified home filter can significantly reduce your exposure -- browse Chlorine & DBPs filters at PureWaterGuys.
Cities in New Hampshire with Chlorine & DBPs Detected
The following 239 water systems in New Hampshire reported Chlorine & DBPs in their annual water quality reports. Click any city to read the full report.
| City / Water System | Water Quality Report |
|---|---|
| Allenstown Nh Water Quality Report 2026 | View Report |
| Alstead Nh Water Quality Report 2026 | View Report |
| Alton Nh Water Quality Report 2026 | View Report |
| Amesbury Nh Water Quality Report 2026 | View Report |
| Amherst Nh Water Quality Report 2026 | View Report |
| Andover Nh Water Quality Report 2026 | View Report |
| Antrim Nh Water Quality Report 2026 | View Report |
| Arlington Nh Water Quality Report 2026 | View Report |
| Ashland Nh Water Quality Report 2026 | View Report |
| Atkinson Nh Water Quality Report 2026 | View Report |
| Atkinston Nh Water Quality Report 2026 | View Report |
| Barrington Nh Water Quality Report 2026 | View Report |
| Bartlett Nh Water Quality Report 2026 | View Report |
| Bath Nh Water Quality Report 2026 | View Report |
| Bedford Nh Water Quality Report 2026 | View Report |
| Beecher Falls Nh Water Quality Report 2026 | View Report |
| Bellows Falls Nh Water Quality Report 2026 | View Report |
| Belmont Nh Water Quality Report 2026 | View Report |
| Bennington Nh Water Quality Report 2026 | View Report |
| Berlin Nh Water Quality Report 2026 | View Report |
| Bethlehem Nh Water Quality Report 2026 | View Report |
| Boston Nh Water Quality Report 2026 | View Report |
| Bow Nh Water Quality Report 2026 | View Report |
| Brentwood Nh Water Quality Report 2026 | View Report |
| Bristol Nh Water Quality Report 2026 | View Report |
| Brunswick Nh Water Quality Report 2026 | View Report |
| Burlington Nh Water Quality Report 2026 | View Report |
| Campton Nh Water Quality Report 2026 | View Report |
| Canaan Nh Water Quality Report 2026 | View Report |
| Center Conway Nh Water Quality Report 2026 | View Report |
| Center Harbor Nh Water Quality Report 2026 | View Report |
| Center Ossipee Nh Water Quality Report 2026 | View Report |
| Center Tuftonboro Nh Water Quality Report 2026 | View Report |
| Charlestown Nh Water Quality Report 2026 | View Report |
| Chepachet Nh Water Quality Report 2026 | View Report |
| Chester Nh Water Quality Report 2026 | View Report |
| Chesterfield Nh Water Quality Report 2026 | View Report |
| Chichester Nh Water Quality Report 2026 | View Report |
| Chocorua Nh Water Quality Report 2026 | View Report |
| Claremont Nh Water Quality Report 2026 | View Report |
| Claymont Nh Water Quality Report 2026 | View Report |
| Colebrook Nh Water Quality Report 2026 | View Report |
| Columbia Nh Water Quality Report 2026 | View Report |
| Concord Nh Water Quality Report 2026 | View Report |
| Contoocook Nh Water Quality Report 2026 | View Report |
| Conway Nh Water Quality Report 2026 | View Report |
| Dalton Nh Water Quality Report 2026 | View Report |
| Danville Nh Water Quality Report 2026 | View Report |
| Deerfield Nh Water Quality Report 2026 | View Report |
| Deering Nh Water Quality Report 2026 | View Report |
| Derry Nh Water Quality Report 2026 | View Report |
| Dorchester Nh Water Quality Report 2026 | View Report |
| Dover Nh Water Quality Report 2026 | View Report |
| Dunbarton Nh Water Quality Report 2026 | View Report |
| Durham Nh Water Quality Report 2026 | View Report |
| E Kingston Nh Water Quality Report 2026 | View Report |
| E Wakefield Nh Water Quality Report 2026 | View Report |
| East Andover Nh Water Quality Report 2026 | View Report |
| East Hampstead Nh Water Quality Report 2026 | View Report |
| Effingham Nh Water Quality Report 2026 | View Report |
| Enfield Nh Water Quality Report 2026 | View Report |
| Epping Nh Water Quality Report 2026 | View Report |
| Epsom Nh Water Quality Report 2026 | View Report |
| Errol Nh Water Quality Report 2026 | View Report |
| Exeter Nh Water Quality Report 2026 | View Report |
| Farmington Nh Water Quality Report 2026 | View Report |
| Fitzwilliam Nh Water Quality Report 2026 | View Report |
| Francestown Nh Water Quality Report 2026 | View Report |
| Franconia Nh Water Quality Report 2026 | View Report |
| Franklin Nh Water Quality Report 2026 | View Report |
| Freedom Nh Water Quality Report 2026 | View Report |
| Fremont Nh Water Quality Report 2026 | View Report |
| Gilford Nh Water Quality Report 2026 | View Report |
| Glen Nh Water Quality Report 2026 | View Report |
| Glencliff Nh Water Quality Report 2026 | View Report |
| Goffstown Nh Water Quality Report 2026 | View Report |
| Gorham Nh Water Quality Report 2026 | View Report |
| Grafton Nh Water Quality Report 2026 | View Report |
| Grantham Nh Water Quality Report 2026 | View Report |
| Great Neck Nh Water Quality Report 2026 | View Report |
| Greenfield Nh Water Quality Report 2026 | View Report |
| Greenville Nh Water Quality Report 2026 | View Report |
| Groveland Nh Water Quality Report 2026 | View Report |
| Groveton Nh Water Quality Report 2026 | View Report |
| Hales Location Nh Water Quality Report 2026 | View Report |
| Hampstead Nh Water Quality Report 2026 | View Report |
| Hampton Nh Water Quality Report 2026 | View Report |
| Hancock Nh Water Quality Report 2026 | View Report |
| Hanover Nh Water Quality Report 2026 | View Report |
| Harrisville Nh Water Quality Report 2026 | View Report |
| Haverhill Nh Water Quality Report 2026 | View Report |
| Hebron Nh Water Quality Report 2026 | View Report |
| Henniker Nh Water Quality Report 2026 | View Report |
| Hill Nh Water Quality Report 2026 | View Report |
| Hillsboro Nh Water Quality Report 2026 | View Report |
| Hillsborough Nh Water Quality Report 2026 | View Report |
| Hinsdale Nh Water Quality Report 2026 | View Report |
| Holderness Nh Water Quality Report 2026 | View Report |
| Hollis Nh Water Quality Report 2026 | View Report |
| Hooksett Nh Water Quality Report 2026 | View Report |
| Hopkinton Nh Water Quality Report 2026 | View Report |
| Hudson Nh Water Quality Report 2026 | View Report |
| Intervale Nh Water Quality Report 2026 | View Report |
| Jackson Nh Water Quality Report 2026 | View Report |
| Jaffrey Nh Water Quality Report 2026 | View Report |
| Keene Nh Water Quality Report 2026 | View Report |
| Kingston Nh Water Quality Report 2026 | View Report |
| Laconia Nh Water Quality Report 2026 | View Report |
| Lancaster Nh Water Quality Report 2026 | View Report |
| Las Vegas Nh Water Quality Report 2026 | View Report |
| Lawrence Nh Water Quality Report 2026 | View Report |
| Lebanon Nh Water Quality Report 2026 | View Report |
| Lee Nh Water Quality Report 2026 | View Report |
| Lincoln Nh Water Quality Report 2026 | View Report |
| Lisbon Nh Water Quality Report 2026 | View Report |
| Litchfield Nh Water Quality Report 2026 | View Report |
| Littleton Nh Water Quality Report 2026 | View Report |
| Londonderry Nh Nh Water Quality Report 2026 | View Report |
| Londonderry Nh Water Quality Report 2026 | View Report |
| Loudon Nh Water Quality Report 2026 | View Report |
| Lowell Nh Water Quality Report 2026 | View Report |
| Lunenburg Nh Water Quality Report 2026 | View Report |
| Lyme Nh Water Quality Report 2026 | View Report |
| Lynn Nh Water Quality Report 2026 | View Report |
| Madbury Nh Water Quality Report 2026 | View Report |
| Madison Nh Water Quality Report 2026 | View Report |
| Manchester Nh Water Quality Report 2026 | View Report |
| Mansfield Nh Water Quality Report 2026 | View Report |
| Marblehead Nh Water Quality Report 2026 | View Report |
| Marlborough Nh Water Quality Report 2026 | View Report |
| Medford Nh Water Quality Report 2026 | View Report |
| Meredith Nh Water Quality Report 2026 | View Report |
| Meriden Nh Water Quality Report 2026 | View Report |
| Merrimack Nh Water Quality Report 2026 | View Report |
| Methuen Nh Water Quality Report 2026 | View Report |
| Milan Nh Water Quality Report 2026 | View Report |
| Milford Nh Water Quality Report 2026 | View Report |
| Milton Nh Water Quality Report 2026 | View Report |
| Minneapolis Nh Water Quality Report 2026 | View Report |
| Mirror Lake Nh Water Quality Report 2026 | View Report |
| Monroe Nh Water Quality Report 2026 | View Report |
| Moultonboro Nh Water Quality Report 2026 | View Report |
| Moultonborough Nh Water Quality Report 2026 | View Report |
| N Conway Nh Water Quality Report 2026 | View Report |
| N Quincy Nh Water Quality Report 2026 | View Report |
| N Stratford Nh Water Quality Report 2026 | View Report |
| N Swanzey Nh Water Quality Report 2026 | View Report |
| N Walpole Nh Water Quality Report 2026 | View Report |
| N Woodstock Nh Water Quality Report 2026 | View Report |
| Nashua Nh Water Quality Report 2026 | View Report |
| New Boston Nh Water Quality Report 2026 | View Report |
| New Durham Nh Water Quality Report 2026 | View Report |
| New Hampton Nh Water Quality Report 2026 | View Report |
| New Ipswich Nh Water Quality Report 2026 | View Report |
| New London Nh Water Quality Report 2026 | View Report |
| Newbury Nh Water Quality Report 2026 | View Report |
| Newmarket Nh Water Quality Report 2026 | View Report |
| Newport Nh Water Quality Report 2026 | View Report |
| Newton Nh Water Quality Report 2026 | View Report |
| No Hampton Nh Water Quality Report 2026 | View Report |
| North Conway Nh Water Quality Report 2026 | View Report |
| North Haverhill Nh Water Quality Report 2026 | View Report |
| North Woodstock Nh Water Quality Report 2026 | View Report |
| Northfield Nh Water Quality Report 2026 | View Report |
| Northumberland Nh Water Quality Report 2026 | View Report |
| Northwood Nh Water Quality Report 2026 | View Report |
| Norwell Nh Water Quality Report 2026 | View Report |
| Nottingham Nh Water Quality Report 2026 | View Report |
| Orford Nh Water Quality Report 2026 | View Report |
| Ossipee Nh Water Quality Report 2026 | View Report |
| Pawtucket Nh Water Quality Report 2026 | View Report |
| Peace Dale Nh Water Quality Report 2026 | View Report |
| Pelham Nh Water Quality Report 2026 | View Report |
| Pembroke Nh Water Quality Report 2026 | View Report |
| Peterborough Nh Water Quality Report 2026 | View Report |
| Pike Nh Water Quality Report 2026 | View Report |
| Pittsburg Nh Water Quality Report 2026 | View Report |
| Pittsfield Nh Water Quality Report 2026 | View Report |
| Plainville Nh Water Quality Report 2026 | View Report |
| Plaistow Nh Water Quality Report 2026 | View Report |
| Plymouth Nh Water Quality Report 2026 | View Report |
| Portland Nh Water Quality Report 2026 | View Report |
| Portsmouth Nh Water Quality Report 2026 | View Report |
| Prospect Nh Water Quality Report 2026 | View Report |
| Quincy Nh Water Quality Report 2026 | View Report |
| Randolph Nh Water Quality Report 2026 | View Report |
| Raymond Nh Water Quality Report 2026 | View Report |
| Rindge Nh Water Quality Report 2026 | View Report |
| Rochester Nh Water Quality Report 2026 | View Report |
| Rollinsford Nh Water Quality Report 2026 | View Report |
| Roseland Nh Water Quality Report 2026 | View Report |
| Rye Nh Water Quality Report 2026 | View Report |
| Salem Nh Water Quality Report 2026 | View Report |
| San Francisco Nh Water Quality Report 2026 | View Report |
| Sanbornton Nh Water Quality Report 2026 | View Report |
| Sanbornville Nh Water Quality Report 2026 | View Report |
| Sandown Nh Water Quality Report 2026 | View Report |
| Sarasota Nh Water Quality Report 2026 | View Report |
| Seabrook Nh Water Quality Report 2026 | View Report |
| Somersworth Nh Water Quality Report 2026 | View Report |
| Southboro Nh Water Quality Report 2026 | View Report |
| Stewartstown Nh Water Quality Report 2026 | View Report |
| Stratham Nh Water Quality Report 2026 | View Report |
| Sunapee Nh Water Quality Report 2026 | View Report |
| Suncook Nh Water Quality Report 2026 | View Report |
| Surry Nh Water Quality Report 2026 | View Report |
| Swanzey Nh Water Quality Report 2026 | View Report |
| Tamworth Nh Water Quality Report 2026 | View Report |
| Thornton Nh Water Quality Report 2026 | View Report |
| Tilton Nh Water Quality Report 2026 | View Report |
| Troy Nh Water Quality Report 2026 | View Report |
| Tuftonboro Nh Water Quality Report 2026 | View Report |
| Twin Mountain Nh Water Quality Report 2026 | View Report |
| Unity Nh Water Quality Report 2026 | View Report |
| W Stewartstown Nh Water Quality Report 2026 | View Report |
| Walpole Nh Water Quality Report 2026 | View Report |
| Waltham Nh Water Quality Report 2026 | View Report |
| Warner Nh Water Quality Report 2026 | View Report |
| Warren Nh Water Quality Report 2026 | View Report |
| Washington Nh Water Quality Report 2026 | View Report |
| Waterville Valley Nh Water Quality Report 2026 | View Report |
| Weare Nh Water Quality Report 2026 | View Report |
| Webster Nh Water Quality Report 2026 | View Report |
| West Stewartstown Nh Water Quality Report 2026 | View Report |
| West Swanzey Nh Water Quality Report 2026 | View Report |
| West Vancouver Nh Water Quality Report 2026 | View Report |
| Westborough Nh Water Quality Report 2026 | View Report |
| Westmoreland Nh Water Quality Report 2026 | View Report |
| Whitefield Nh Water Quality Report 2026 | View Report |
| Wilmot Nh Water Quality Report 2026 | View Report |
| Wilton Nh Water Quality Report 2026 | View Report |
| Winchester Nh Water Quality Report 2026 | View Report |
| Windham Nh Water Quality Report 2026 | View Report |
| Windsor Nh Water Quality Report 2026 | View Report |
| Woburn Nh Water Quality Report 2026 | View Report |
| Wolfeboro Nh Water Quality Report 2026 | View Report |
| Woodstock Nh Water Quality Report 2026 | View Report |
| Woodsville Nh Water Quality Report 2026 | View Report |
| Woonsocket Nh Water Quality Report 2026 | View Report |
What Does This Mean For You?
Detecting Chlorine & DBPs in your water supply does not necessarily mean immediate danger, but long-term exposure -- even at low levels -- carries measurable health risk. Whole-house carbon filters and under-sink activated carbon systems remove chlorine and DBPs.
Our recommendation: View Chlorine & DBPs filters certified for New Hampshire water conditions or take our free Water Finder Quiz to get a personalized recommendation.
Filter Chlorine & DBPs From Your New Hampshire Tap Water
PureWaterGuys carries NSF-certified filters proven to reduce Chlorine & DBPs and other contaminants found in New Hampshire water.
Shop Chlorine & DBPs Filters Take the Water QuizFrequently Asked Questions
What is Chlorine & DBPs?
Disinfection byproducts (THMs, HAAs) from chlorine treatment are linked to bladder cancer with long-term exposure.
Is New Hampshire tap water safe to drink?
Water quality varies by city. Of the New Hampshire systems we analyzed, 239 detected Chlorine & DBPs. Most levels are below EPA action thresholds, but long-term low-level exposure carries health risk. Check your city's report above or use a certified home filter as a precaution.
What filter removes Chlorine & DBPs from tap water?
Whole-house carbon filters and under-sink activated carbon systems remove chlorine and DBPs. See our Chlorine & DBPs filter options.
Data sourced from EPA-mandated annual water quality reports (Consumer Confidence Reports). Last updated: 2026. Not all systems are required to test for every contaminant.