Last updated: February 2026
Massachusetts has some of the oldest water infrastructure in the nation. While the state maintains high treatment standards, independent testing reveals contaminants — including PFAS "forever chemicals", disinfection byproducts, and legacy lead pipes — above health guidelines in many communities.
Select your town below for detailed water quality data and personalized filtration recommendations.
🔬 Test Your Water First
Before investing in a filter, know exactly what's in your water. Home test kits reveal contaminants specific to your tap.
Browse Water Test Kits on Amazon →Boston Metro (60 towns)
Arlington, Belmont, Boston, Braintree, Brookline, Burlington, Cambridge, Canton, Chelsea, Cohasset, Dedham, Dover, Everett, Foxborough, Framingham, Franklin, Hingham, Holbrook, Hull, Lexington, Lincoln, Malden, Medfield, Medford, Medway, Melrose, Millis, Milton, Natick, Needham, Newton, Norfolk, Norwell, Norwood, Plainville, Quincy, Randolph, Reading, Revere, Sharon, Sherborn, Somerville, Stoneham, Stoughton, Sudbury, Swampscott, Wakefield, Walpole, Waltham, Watertown, Wayland, Wellesley, Weston, Westwood, Weymouth, Wilmington, Winchester, Winthrop, Woburn, Wrentham
Northeast Massachusetts (49 towns)
Amesbury, Andover, Bedford, Beverly, Billerica, Boxborough, Boxford, Carlisle, Chelmsford, Concord, Danvers, Dracut, Essex, Georgetown, Gloucester, Groveland, Hamilton, Haverhill, Ipswich, Kingston, Lawrence, Littleton, Lowell, Lynn, Lynnfield, Manchester By The Sea, Marblehead, Marlborough, Maynard, Merrimac, Methuen, Middleton, Nahant, Newbury, Newburyport, North Andover, North Reading, Peabody, Rockport, Rowley, Salem, Salisbury, Saugus, Stow, Tewksbury, Topsfield, Tyngsborough, Wenham, Westford
Southeast Massachusetts (44 towns)
Abington, Acushnet, Attleboro, Avon, Berkley, Bridgewater, Brockton, Carver, Dartmouth, Dighton, Duxbury, East Bridgewater, Easton, Fairhaven, Fall River, Freetown, Halifax, Hanover, Hanson, Lakeville, Mansfield, Marion, Marshfield, Mattapoisett, Middleborough, New Bedford, North Attleboro, Norton, Pembroke, Plymouth, Plympton, Raynham, Rehoboth, Rochester, Rockland, Scituate, Seekonk, Somerset, Swansea, Taunton, Wareham, West Bridgewater, Westport, Whitman
Cape Cod & Islands (25 towns)
Aquinnah, Barnstable, Bourne, Brewster, Chatham, Chilmark, Dennis, Eastham, Edgartown, Falmouth, Gosnold, Harwich, Hyannis, Marthas Vineyard, Mashpee, Nantucket, Oak Bluffs, Orleans, Provincetown, Sandwich, Tisbury, Truro, Wellfleet, West Tisbury, Yarmouth
Central Massachusetts (113 towns)
Acton, Agawam, Amherst, Ashburnham, Ashby, Ashfield, Ashland, Athol, Auburn, Ayer, Barre, Belchertown, Bellingham, Berlin, Bernardston, Blackstone, Bolton, Boylston, Brimfield, Brookfield, Buckland, Charlemont, Charlton, Chicopee, Clinton, Deerfield, Douglas, Dudley, Dunstable, East Brookfield, East Longmeadow, Easthampton, Erving, Fitchburg, Gardner, Gill, Grafton, Granby, Greenfield, Groton, Hadley, Hampden, Hardwick, Harvard, Hatfield, Holden, Holland, Holliston, Holyoke, Hopedale, Hopkinton, Hubbardston, Hudson, Lancaster, Leicester, Leominster, Longmeadow, Ludlow, Lunenburg, Mendon, Milford, Millbury, Millville, Monson, Montague, New Braintree, North Brookfield, Northampton, Northborough, Northbridge, Northfield, Oakham, Orange, Oxford, Palmer, Paxton, Pepperell, Petersham, Princeton, Royalston, Rutland, Shirley, Shrewsbury, South Hadley, Southampton, Southborough, Southbridge, Southwick, Spencer, Springfield, Sterling, Sturbridge, Sunderland, Sutton, Templeton, Townsend, Upton, Uxbridge, Wales, Ware, Warren, Webster, West Boylston, West Brookfield, West Newbury, West Springfield, Westborough, Westfield, Westhampton, Westminster, Wilbraham, Winchendon, Worcester
Western Massachusetts (62 towns)
Adams, Alford, Becket, Blandford, Cheshire, Chester, Chesterfield, Clarksburg, Colrain, Conway, Cummington, Dalton, Egremont, Florida, Goshen, Granville, Great Barrington, Hancock, Hawley, Heath, Hinsdale, Huntington, Lanesborough, Lee, Lenox, Leverett, Leyden, Middlefield, Monroe, Monterey, Montgomery, Mount Washington, New Ashford, New Marlborough, New Salem, North Adams, Otis, Pelham, Peru, Phillipston, Pittsfield, Plainfield, Richmond, Rowe, Russell, Sandisfield, Savoy, Sheffield, Shelburne, Shutesbury, Stockbridge, Tolland, Tyringham, Warwick, Washington, Wendell, West Stockbridge, Whately, Williamsburg, Williamstown, Windsor, Worthington
Not Sure Which Filter You Need?
For most Massachusetts homes, a reverse osmosis system provides the best protection against PFAS, lead, and disinfection byproducts.
Browse RO Systems on Amazon →