Drinking water / MA
PFAS in Massachusetts drinking water
263 Massachusetts public water systems tested under UCMR5. 144 detected at least one PFAS compound; 119 detected none at the reporting thresholds. Values are the highest single result per compound, in ng/L (parts per trillion). The federal limit for PFOA and PFOS is 4 ng/L.
| Water system | Serves | Highest results (ng/L) | Reading |
|---|---|---|---|
| ABINGTON/ROCKLAND JOINT WTR. WORKS MA4001000 | Plymouth | PFPeA 32PFBA 25PFHxA 18PFOA 12 * | above final limit |
| ACTON WATER SUPPLY DISTRICT MA2002000 | Middlesex | PFBA 20.6PFOA 13.4 *PFPeA 8.4PFHxA 7.1 | above final limit |
| AQUARION WATER COMPANY, MILLBURY MA2186000 | Worcester | PFBA 15.9PFOA 15.8 *PFPeA 10.3PFHxA 8.6 | above final limit |
| ATTLEBORO WATER DEPT MA4016000 | Bristol | PFOS 12 *PFOA 6.6 *PFPeA 4.4PFHxA 4.3 | above final limit |
| AUBURN WATER DISTRICT, MA MA2017000 | Worcester | PFOA 5.7 *PFOS 4.7 *PFPeA 3.8PFHxA 3.1 | above final limit |
| BARNSTABLE FIRE DISTRICT MA4020000 | Barnstable | PFBS 18.2PFOS 7.1 *PFPeA 5.5PFOA 4.4 * | above final limit |
| BELLINGHAM DPW WATER SEWER DIV. MA2025000 | Norfolk | PFOS 5 *PFOA 4.3 *PFBS 4.1 | above final limit |
| BILLERICA WATER WORKS MA3031000 | Middlesex | PFPeA 8PFHxA 6.1PFBA 5.5PFOA 5.5 * | above final limit |
| BLACKSTONE WATER DEPARTMENT MA2032000 | Worcester | PFOA 5.7 * | above final limit |
| BOURNE WATER DISTRICT MA4036000 | Barnstable | PFHxS 7.6PFOS 4.8 *PFPeA 3.1 | above final limit |
| BOYLSTON WATER DISTRICT MA2039000 | Worcester | PFOA 6 *PFBS 3.6 | above final limit |
| BRAINTREE WATER AND SEWER DEPT. MA4040000 | Norfolk | PFOS 8.5 *PFOA 5.3 *PFPeA 5PFHxA 4.2 | above final limit |
| BRIDGEWATER WATER DEPARTMENT MA4042000 | Plymouth | PFOA 9 *PFHxA 8PFOS 7 *PFPeA 7 | above final limit |
| CAMBRIDGE WATER DEPARTMENT MA3049000 | Middlesex | PFOA 4.8 *PFPeA 3.6PFHxA 3.1 | above final limit |
| CANTON WATER DEPT MA4050000 | Norfolk | PFOA 5 *PFPeA 3.4PFHxA 3.24:2 FTS 3 | above final limit |
| CENTERVILLE OSTERVILLE MARSTONS MILLS WD MA4020002 | Barnstable | PFPeA 7.5PFHxA 6.9PFOA 4.9 *PFBS 4 | above final limit |
| CHELMSFORD WATER DISTRICT MA3056000 | Middlesex | PFOA 8.9 *PFOS 7.2 *PFBS 4.2PFPeA 3.7 | above final limit |
| COHASSET WATER DEPT MA4065000 | Norfolk | PFBA 7.3PFOA 6.7 *PFPeA 4.6PFOS 4.5 * | above final limit |
| CONCORD WATER DEPT, MA MA3067000 | Middlesex | PFBS 9.4PFPeA 6.2PFOA 6 *PFHxA 4.5 | above final limit |
| DANVERS WATER DEPT. MA3071000 | Essex | PFOS 5.2 * | above final limit |
| DARTMOUTH WATER DIVISION MA4072000 | Bristol | PFOS 50.6 *PFBS 20.7PFPeA 11.8PFBA 9.4 | above final limit |
| DEDHAM WESTWOOD WATER DIST. MA3073000 | Norfolk | PFOA 6.5 *PFPeA 5.9PFOS 5.1 *PFHxA 4.1 | above final limit |
| DIGHTON WATER DISTRICT MA4076000 | Bristol | PFOA 5.5 *PFOS 4.1 *PFHxA 3.5PFPeA 3.4 | above final limit |
| DRACUT WATER SUPPLY DISTRICT MA3079000 | Middlesex | PFBS 10.1PFOA 6.1 *PFPeA 3.1 | above final limit |
| DUXBURY WATER DEPARTMENT MA4082000 | Plymouth | PFPeA 46.6PFOS 35 *PFHxS 31PFHxA 30.7 | above final limit |
| East Bridgewater Water Dept. MA4083000 | Plymouth | PFOA 5.1 *PFHxA 3.9PFPeA 3.6 | above final limit |
| EASTON WATER DIV MA4088000 | Bristol | PFOS 16.3 *PFOA 9.9 *PFHxS 7.9PFPeA 6.8 | above final limit |
| FITCHBURG DPW, DIV. OF WATER SUPPLY MA2097000 | Worcester | PFOA 4.9 *PFHxA 4.3PFPeA 4.2 | above final limit |
| FOXBORO WATER DEPARTMENT MA4099000 | Norfolk | PFOS 6.7 *PFOA 6.3 *PFBS 4.6PFHxA 4 | above final limit |
| FRANKLIN WATER DEPARTMENT, MA MA2101000 | Norfolk | PFOS 5.6 *PFHxS 5.4PFOA 4.7 *PFBS 3.7 | above final limit |
| GRAFTON WATER DISTRICT MA2110000 | Worcester | PFOS 6.9 *PFOA 6.9 *PFHxA 3.6PFPeA 3.5 | above final limit |
| GROVELAND WATER DEPARTMENT MA3116000 | Essex | PFPeA 7.3PFOA 6.3 *PFHxA 4.8PFHpA 4.1 | above final limit |
| HALIFAX WATER DEPARTMENT MA4118000 | Plymouth | PFOA 7.7 *PFHxA 6.7PFPeA 5.6PFHxS 5.4 | above final limit |
| HAMILTON WATER DEPT MA3119000 | Essex | PFOS 11.2 *PFOA 11.1 *PFBS 6.4PFHxA 3.2 | above final limit |
| HANOVER WATER DEPT, MA MA4122000 | Plymouth | PFPeA 11.6PFOS 11.4 *PFOA 8.9 *PFHxA 8.6 | above final limit |
| HANSON WATER DEPARTMENT MA4123000 | Plymouth | PFOA 5.6 *PFOS 4 | above final limit |
| HAYSTACK ESTATES MA3330019 | Middlesex | PFOA 5.6 *PFPeA 3.8PFBS 3.3PFHxA 3.3 | above final limit |
| HOLBROOK PUBLIC WORKS DEPT MA4133000 | Norfolk | PFOS 11.9 *PFBA 10PFOA 7 *PFHxA 5 | above final limit |
| HOLDEN WATER DIVISION, DPW MA2134000 | Worcester | PFBA 16.2PFPeA 6.7PFHxA 5.5PFOA 4.9 * | above final limit |
| HOLLISTON WATER DEPARTMENT MA2136000 | Middlesex | PFOS 6.5 *PFOA 5.3 *PFBS 3.9PFHxA 3.5 | above final limit |
| HOPEDALE WATER DEPARTMENT MA2138000 | Worcester | PFOA 6.8 *PFPeA 5.4PFOS 4.3 *PFHxA 4 | above final limit |
| HOPKINTON WATER DEPARTMENT MA2139000 | Middlesex | PFOA 7.2 *PFBA 6.2PFPeA 5.8PFBS 5.5 | above final limit |
| IPSWICH DPU WATER DEPT MA3144000 | Essex | PFHxA 20.6PFPeA 19.5PFOA 7.3 *PFBA 6.6 | above final limit |
| KENWOOD WATER DISTRICT MA3079001 | Middlesex | PFOA 6.3 *PFPeA 4.7PFHxA 4.5PFBS 3 | above final limit |
| LEOMINSTER WATER DIVISION MA2153000 | Worcester | PFOA 4.3 * | above final limit |
| LINCOLN WATER DEPT MA3157000 | Middlesex | PFOA 6.4 *PFOS 5.4 *PFHxS 3.2 | above final limit |
| LOWELL REGIONAL WATER UTILITY MA3160000 | Middlesex | PFOA 4.6 *PFHxA 4PFPeA 3.9 | above final limit |
| LUNENBURG WATER DISTRICT MA2162000 | Worcester | PFOA 5.1 *PFPeA 4.5PFHxA 4.1 | above final limit |
| LYNN WATER AND SEWER COMM MA3163000 | Essex | PFBA 5.4PFPeA 5.2PFHxA 4.9PFOA 4.7 * | above final limit |
| LYNNFIELD CENTER WATER DISTRICT MA3164000 | Essex | PFOA 6.1 *PFBA 5.1PFHxA 3.8PFPeA 3.4 | above final limit |
| MANCHESTER BY THE SEA DPW MA3166000 | Essex | PFOA 12 *PFHxA 5PFBS 5PFOS 4.8 * | above final limit |
| MANSFIELD WATER DIVISION MA4167000 | Bristol | PFOS 6.2 *PFOA 4.3 *PFBS 3.8PFHxS 3.1 | above final limit |
| MARSHFIELD WATER DEPARTMENT MA4171000 | Plymouth | PFPeA 14.7PFHxA 11.7PFOA 7 *PFBA 6 | above final limit |
| MAYNARD DPW, WATER DIVISION MA2174000 | Middlesex | PFOA 7.1 *PFOS 4.2 *PFHxA 4PFPeA 3.7 | above final limit |
| MEDFIELD WATER DEPT. MA2175000 | Norfolk | PFOA 7 *PFOS 6.7 *PFPeA 6.5PFHxA 5 | above final limit |
| MEDWAY WATER DEPARTMENT MA2177000 | Norfolk | PFOA 7.2 *PFPeA 3.8PFHxA 3.1PFBS 3 | above final limit |
| MERRIMAC WATER DEPARTMENT MA3180000 | Essex | PFOA 6.9 * | above final limit |
| MIDDLEBOROUGH WATER SUPPLY MA4182000 | Plymouth | PFPeA 13PFOA 11 *PFHxA 10PFOS 5 * | above final limit |
| MIDDLETON WATER DEPT. MA3184000 | Essex | PFPeA 11.4PFHxA 7.1PFHpA 6PFOA 4.5 * | above final limit |
| MILFORD WATER COMPANY MA2185000 | Worcester | PFOA 7.1 *PFOS 6.6 *PFBS 4.1PFPeA 3.5 | above final limit |
| MILLIS WATER DEPT MA2187000 | Norfolk | PFBS 9.1PFOS 7.3 *PFOA 6.9 *PFPeA 3 | above final limit |
| NATICK WATER DEPARTMENT MA3198000 | Middlesex | PFOS 37.3 *PFOA 14.3 *PFHxS 11.2PFBS 6.5 | above final limit |
| NEEDHAM WATER DEPT MA3199000 | Norfolk | PFOS 5 *PFOA 4.6 * | above final limit |
| NEWBURYPORT WATER DEPARTMENT MA3206000 | Essex | PFOS 4.6 *PFBS 3.4 | above final limit |
| NORFOLK WATER DIVISION MA2208000 | Norfolk | PFOA 7 *PFHxA 5.4PFPeA 5PFOS 4.5 * | above final limit |
| NORTH ADAMS WATER DEPT MA1209000 | Berkshire | PFOA 5.9 * | above final limit |
| NORTH ATTLEBORO WATER DEPT MA4211000 | Bristol | PFPeA 14PFHxA 9PFOA 9 *PFOS 8 * | above final limit |
| NORTON WATER DEPARTMENT MA4218000 | Bristol | PFOA 8.8 *PFHxS 6.4PFBS 4.9PFHxA 4.1 | above final limit |
| NORWELL WATER DEPARTMENT MA4219000 | Plymouth | PFOS 18.4 *PFPeA 10PFOA 9.9 *PFHxA 8.4 | above final limit |
| ONSET FIRE DISTRICT MA4310003 | Plymouth | PFOS 7.1 * | above final limit |
| PEABODY WATER DEPT. MA3229000 | Essex | PFOA 7 *PFBA 6.4PFPeA 4.9PFHxA 4.8 | above final limit |
| PEPPERELL DPW WATER DIVISION MA2232000 | Middlesex | PFOA 11.4 *PFOS 10 * | above final limit |
| PLAINVILLE WATER DEPARTMENT MA4238000 | Norfolk | PFBS 17.6PFOS 5.9 *PFBA 5PFOA 4.3 * | above final limit |
| RANDOLPH WATER DEPARTMENT MA4244000 | Norfolk | PFOS 13 *PFOA 7.3 *PFBA 5.3PFPeA 4.7 | above final limit |
| RAYNHAM CENTER WATER DISTRICT MA4245000 | Bristol | PFOA 92 *PFHxA 58.8PFPeA 36.3PFHpA 29.4 | above final limit |
| ROWLEY WATER DEPARTMENT MA3254000 | Essex | PFPeA 14.1PFHxA 9.1PFOA 7.7 *PFBA 6.6 | above final limit |
| SALISBURY WATER DEPARTMENT MA3259000 | Essex | PFBA 8PFOA 6 *PFPeA 3 | above final limit |
| SCITUATE WATER DIVISION MA4264000 | Plymouth | PFOS 5.7 *PFOA 5.6 *PFBS 3PFHxA 3 | above final limit |
| SEEKONK WATER DISTRICT MA4265000 | Bristol | PFOS 5 * | above final limit |
| SHARON WATER DEPT MA4266000 | Norfolk | PFHxS 29PFOS 15 *PFOA 8.1 *PFPeA 7.2 | above final limit |
| SHIRLEY WATER DISTRICT MA2270000 | Middlesex | PFHxA 7.1PFOA 6.9 *PFPeA 5.2PFHpA 3.7 | above final limit |
| SHREWSBURY WATER DEPARTMENT MA2271000 | Worcester | PFOS 5.6 *PFOA 5.4 *PFPeA 4.8PFBS 4.3 | above final limit |
| STERLING WATER DEPARTMENT MA2282000 | Worcester | PFOS 5.2 * | above final limit |
| STOUGHTON WATER DEPARTMENT MA4285000 | Norfolk | PFOA 7.7 *PFOS 7.1 *PFHxA 5.5PFPeA 4.9 | above final limit |
| SUDBURY WATER DISTRICT MA3288000 | Middlesex | PFOA 9 *PFHxA 6PFPeA 5PFBA 5 | above final limit |
| SWANSEA WATER DISTRICT MA4292000 | Bristol | PFBA 10.9PFHxS 7.7PFOA 5.1 *PFPeA 4.9 | above final limit |
| TEMPLETON MUNIC. LIGHT AND WATER PLANT MA2294000 | Worcester | PFHxA 6.9PFPeA 5.8PFOA 5.2 *PFHpA 3.1 | above final limit |
| TEWKSBURY WATER DEPARTMENT MA3295000 | Middlesex | PFOA 5 *PFPeA 4PFHxA 4 | above final limit |
| TOPSFIELD WATER DEPARTMENT MA3298000 | Essex | PFOA 9 *PFOS 5.4 *PFBS 4PFHxA 3.4 | above final limit |
| TOWN OF AVON MA4018000 | Norfolk | PFOS 6 *PFOA 5.1 * | above final limit |
| TOWNSEND WATER DEPARTMENT MA2299000 | Middlesex | PFOA 6.5 *PFHxA 4.1PFPeA 3.5 | above final limit |
| TYNGSBOROUGH WATER DISTRICT MA3301000 | Middlesex | PFOA 4.6 *PFHxA 3.6PFPeA 3 | above final limit |
| UXBRIDGE DPW, WATER DIVISION MA2304000 | Worcester | PFOS 6.7 *PFBS 3.8PFHxS 3.4 | above final limit |
| WAKEFIELD WATER DEPT MA3305000 | Middlesex | PFOA 6.9 *PFHxA 5.6PFPeA 4 | above final limit |
| WARE WATER DEPT MA1309000 | Hampshire | PFOS 7.1 *PFOA 4.9 *PFHxA 4.8PFPeA 4.7 | above final limit |
| WAYLAND WATER DEPARTMENT MA3315000 | Middlesex | PFPeA 10PFOA 9 *PFBA 5PFHpA 4 | above final limit |
| WEBSTER WATER DEPARTMENT MA2316000 | Worcester | PFPeA 4.8PFOA 4.4 *PFHxA 3 | above final limit |
| WEIR RIVER WATER SYSTEM MA4131000 | Plymouth | PFOA 6.4 *PFHxA 6PFBA 5.7PFPeA 4.3 | above final limit |
| WELLESLEY WATER DIVISION MA3317000 | Norfolk | PFOS 6.6 *PFOA 6.3 *PFBS 5.3PFBA 5.2 | above final limit |
| WENHAM WATER DEPT. MA3320000 | Essex | PFOA 7.2 *PFPeA 6.8PFHxA 6.7PFOS 6.4 * | above final limit |
| WEST BOYLSTON WATER DISTRICT MA2321000 | Worcester | PFPeA 7.4PFHxA 5.9PFOA 5.4 * | above final limit |
| WEST BRIDGEWATER WATER DEPT MA4322000 | Plymouth | PFPeA 17PFHxA 13PFBA 11PFOA 5.5 * | above final limit |
| WESTBOROUGH WATER DEPARTMENT MA2328000 | Worcester | PFOS 7.5 *PFOA 5.8 *PFBS 3.4 | above final limit |
| WESTFORD WATER DEPARTMENT MA3330000 | Middlesex | PFOA 8.6 *PFOS 4.4 *PFHxA 4.4PFPeA 4.3 | above final limit |
| WOBURN WATER DEPT. MA3347000 | Middlesex | PFOA 8.4 *PFBA 7PFOS 6.9 *PFBS 3.8 | above final limit |
| WRENTHAM WATER DIVISION MA4350000 | Norfolk | PFBS 5.9PFOA 5.7 *PFOS 4.4 *PFHxA 3.2 | above final limit |
| ANDOVER WATER DEPT MA3009000 | Essex | PFPeA 4 | detected |
| AQUARION WATER COMPANY OXFORD MA2226000 | Worcester | PFHxA 3.4 | detected |
| Ashland Water & Sewer Dept. MA3014000 | Middlesex | PFPeA 3.2 | detected |
| AYER DPW WATER DIVISION MA2019000 | Middlesex | PFBA 19.9PFPeA 13.1PFHxA 5.2 | detected |
| BEVERLY WATER DEPT MA3030000 | Essex | PFPeA 4.1PFHxA 3.6 | detected |
| BURLINGTON WATER DEPT MA3048000 | Middlesex | PFBA 11 | detected |
| CHERRY VALLEY/ ROCHDALE WATER DISTRICT MA2151001 | Worcester | PFPeA 6.8PFHxA 5.6 | detected |
| CITY OF NEW BEDFORD DPI MA4201000 | Bristol | PFBA 7 | detected |
| DENNIS WATER DISTRICT MA4075000 | Barnstable | PFHxA 5.6PFPeA 5.1 | detected |
| DEVENS MASSDEVELOPMENT MA2019001 | Middlesex | PFPeA 11.6PFBA 7.7 | detected |
| DOUGLAS WATER DEPARTMENT MA2077000 | Worcester | PFOA 4PFPeA 4PFBS 3.5PFHxA 3.5 | detected |
| GROTON WATER DEPARTMENT MA2115000 | Middlesex | PFBS 3 | detected |
| HATFIELD WATER DEPT MA1127000 | Hampshire | PFHxA 60.8PFPeA 58.1PFBA 13.6PFBS 11.5 | detected |
| HUDSON WATER SUPPLY MA2141000 | Middlesex | PFBA 6 | detected |
| HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE MA4020004 | Barnstable | PFPeA 29.8PFBA 16.8PFHxA 6.5 | detected |
| LAWRENCE WATER WORKS MA3149000 | Essex | PFHxA 3.1PFPeA 3 | detected |
| MASHPEE WATER DISTRICT MA4172039 | Barnstable | PFBA 8 | detected |
| MCI SHIRLEY MA2270001 | Middlesex | PFHxS 8.7 | detected |
| METHUEN WATER DEPT MA3181000 | Essex | PFPeA 5PFHxA 4PFOA 4 | detected |
| NORTH RAYNHAM WATER DISTRICT MA4245002 | Bristol | PFPeA 3.2 | detected |
| NORTH READING WATER DEPT. MA3213000 | Middlesex | PFBA 6PFPeA 4PFHxA 3 | detected |
| NORTH SAGAMORE WATER DISTRICT MA4036002 | Barnstable | PFHxA 4.5PFPeA 3.7 | detected |
| OAK BLUFFS WATER DISTRICT MA4221000 | Dukes | PFPeA 4PFHxA 4 | detected |
| ORANGE WATER DEPT MA1223000 | Franklin | PFNA 4.8 | detected |
| PAXTON WATER DEPARTMENT MA2228000 | Worcester | PFBA 7.6PFPeA 4.4PFHxA 3.3 | detected |
| PEMBROKE WATER DIVISION DPW MA4231000 | Plymouth | PFPeA 5.7PFHxA 5 | detected |
| PINEHILLS WATER COMPANY, INC. MA4239055 | Plymouth | PFHxA 4.9 | detected |
| PLYMOUTH WATER DEPARTMENT, MA MA4239000 | Plymouth | PFBS 4PFPeA 3.1 | detected |
| REVERE WATER DIVISION (MWRA) MA3248000 | Suffolk | 6:2 FTS 6.2 | detected |
| SALEM WATER DEPARTMENT, MA MA3258000 | Essex | PFPeA 4.2PFHxA 3.7 | detected |
| SOUTHBRIDGE WATER DEPARTMENT MA2278000 | Worcester | PFBA 5 | detected |
| WALPOLE WATER DEPT MA4307000 | Norfolk | PFBA 16PFPeA 12PFHxA 7PFOA 4 | detected |
| WESTFIELD WATER DEPT MA1329000 | Hampden | PFBA 5.5 | detected |
| WEYMOUTH WATER DEPARTMENT MA4336000 | Norfolk | PFPeA 3.1 | detected |
| WHITMAN WATER SYSTEM MA4338000 | Plymouth | PFBA 5.9PFHxA 3.8PFPeA 3.8PFBS 3.2 | detected |
| WILMINGTON WATER DEPT MA3342000 | Middlesex | PFBA 8.8PFPeA 3 | detected |
| WORCESTER DPWP, WATER SUPPLY DIVISION MA2348000 | Worcester | PFPeA 3.2 | detected |
| YARMOUTH WATER DEPARTMENT MA4351000 | Barnstable | PFPeA 59.4PFHxA 40.6PFBA 12.7PFHpA 7.7 | detected |
* exceeds the final federal MCL for that compound. Detections of compounds whose limits EPA proposed to rescind in May 2026 are shown for information.
Systems with no PFAS detected
119 tested systems reported no PFAS above the laboratory reporting limits. Each has its own page with its sampling detail.
- ACUSHNET WATER DEPARTMENT
- ADAMS FIRE DISTRICT
- AGAWAM WATER DEPARTMENT
- AMESBURY DPW WATER DIV.
- AMHERST DPW WATER DIVISION
- ARLINGTON WATER DEPT. (MWRA)
- ASH/WIN JOINT WATER AUTHORITY
- ASHBURNHAM WATER DEPARTMENT
- ATHOL DPW WATER DIVISION
- BARRE WATER DEPARTMENT
- BEDFORD WATER DEPT.
- BELCHERTOWN WATER DISTRICT
- BELMONT WATER DEPT. (MWRA)
- BOSTON WATER AND SEWER COMMISSION (MWRA)
- BREWSTER WATER DEPARTMENT
- BROCKTON WATER DEPARTMENT
- BROOKLINE WATER AND SEWER DIVISION
- BUZZARDS BAY WATER DISTRICT
- CHATHAM WATER DEPARTMENT
- CHELSEA WATER DEPT. (MWRA)
- CHICOPEE WATER DEPT (MWRA)
- CLINTON WATER DEPT
- COTUIT FIRE DISTRICT WATER DEPARTMENT
- DALTON FIRE DISTRICT
- DUDLEY WATER DEPARTMENT
- EAST LONGMEADOW DPW WATER DEPT
- EASTHAMPTON WATER DEPT
- EDGARTOWN WATER DEPARTMENT
- EVERETT WATER DEPT. (MWRA)
- FAIRHAVEN WATER DEPT
- FALL RIVER WATER DEPARTMENT
- FALMOUTH WATER DEPT
- FRAMINGHAM WATER DEPT. (MWRA)
- GARDNER WATER DEPARTMENT
- GEORGETOWN WATER DEPARTMENT
- GLOUCESTER PUBLIC UTILITY DIVISION
- GREAT BARRINGTON FIRE DIST
- GREENFIELD WATER DEPARTMENT
- HADLEY DPW WATER DIVISION
- HANSCOM AFB
- HARWICH WATER DEPARTMENT
- HAVERHILL WATER DEPT
- HOLYOKE WATER WORKS
- INIMA USA / AQUARIA LLC
- KINGSTON WATER DEPARTMENT
- LANCASTER WATER DEPARTMENT
- LEE WATER DEPT
- LENOX DPW WATER DIVISION
- LEXINGTON WATER DEPT. (MWRA)
- LITTLETON WATER DEPARTMENT
- LONGMEADOW WATER DEPT
- LYNNFIELD WATER DIST. (MWRA)
- MALDEN WATER DIVISION (MWRA)
- MARBLEHEAD WATER DEPT. (MWRA)
- MARION WATER DIVISION
- MARLBOROUGH DPW WATER DIV. (MWRA)
- MATTAPOISETT RIVER VALLEY W.D.
- MATTAPOISETT WATER DEPARTMENT
- MCI NORFOLK/CEDAR JUNCTION/WALPOLE
- MEDFORD WATER DEPT. (MWRA)
- MELROSE WATER DIVISION (MWRA)
- MILTON WATER DEPT. (MWRA)
- MONSON WATER AND SEWER DEPT
- MT GREYLOCK REGIONAL SCHOOL
- NAHANT WATER DEPT. (MWRA)
- NEWTON WATER DEPT. (MWRA)
- NORTH ANDOVER WATER DEPT
- NORTH BROOKFIELD WATER DEPARTMENT
- NORTH CHELMSFORD WATER DIST
- NORTHAMPTON WATER DEPT
- NORTHBOROUGH WATER DEPARTMENT (MWRA)
- NORTHBRIDGE WATER DIVISION
- NORWOOD WATER DEPT. (MWRA)
- ORLEANS WATER DEPARTMENT
- OTIS AIR NATIONAL GUARD BASE
- PALMER WATER DISTRICT NO.1
- PITTSFIELD DPU WATER DEPT
- PROVINCETOWN WATER DEPARTMENT
- QUINCY WATER DEPT. (MWRA)
- READING WATER DEPARTMENT
- ROCKPORT WATER DEPT
- RUTLAND WATER DEPARTMENT
- SANDWICH WATER DISTRICT
- SAUGUS WATER DEPT. (MWRA)
- SOMERSET WATER DEPARTMENT
- SOMERVILLE WATER DEPT. (MWRA)
- SOUTH DEERFIELD WATER SUPPLY DISTRICT
- SOUTH HADLEY FD #1 (MWRA)
- SOUTH HADLEY FIRE DISTRICT #2 WATER DEPT
- SOUTHAMPTON WATER DEPT
- SOUTHBOROUGH DPW WATER DIVISION (MWRA)
- SOUTHBRIDGE TOOL AND MANUFACTURING
- SOUTHWICK WATER DEPT
- SPENCER WATER DEPARTMENT
- SPRINGFIELD WATER AND SEWER COMMISSION
- STONEHAM WATER DEPT (MWRA SUPPLY)
- STURBRIDGE WATER DEPARTMENT
- SWAMPSCOTT WATER DEPT. (MWRA)
- TAUNTON WATER DIVISION
- TISBURY WATER WORKS
- TOWN OF EASTHAM
- TURNERS FALLS WATER DEPT
- UPPER CAPE REGIONAL WATER COOPERATIVE
- UPTON DPW WATER/WASTEWATER DIVISION
- WALTHAM WATER DEPARTMENT
- WANNACOMET WATER COMPANY
- WAREHAM FIRE DISTRICT
- WATERTOWN WATER DEPT. (MWRA)
- WEST NEWBURY WATER DEPARTMENT
- WEST SPRINGFIELD DPW WATER DIVISION
- WESTMINSTER DEPARTMENT OF PUBLIC WORKS
- WESTON WATER DEPT.
- WHATELY WATER DEPARTMENT
- WHITINSVILLE WATER COMPANY
- WILBRAHAM WATER DEPT (MWRA)
- WILLIAMSTOWN WATER DEPT
- WINCHENDON WATER DEPARTMENT
- WINCHESTER WATER DEPT
- WINTHROP WATER DIVISION, (MWRA)
A detection at the system level does not tell you what reaches one specific tap: levels vary by entry point, treatment train and plumbing. A certified lab test of your own tap settles it. Testing and treatment options