PFAS contamination data for 3,952 water systems in Massachusetts, serving 10,927,119 people.
PFOA MCL: 20 ppt(EPA: 4 ppt)
PFOS MCL: 20 ppt(EPA: 4 ppt)
MA MCL: 20 ppt for sum of 6 PFAS (PFOA, PFOS, PFHxS, PFNA, PFHpA, PFDA). One of the first states to regulate PFAS as a group.
Massachusetts regulates 6 PFAS as a group sum (MassDEP Method 537.1). Among the earliest state-level PFAS regulations. Extensive contamination near military bases and airports.
Massachusetts Senate Passes PFAS Legislation
The Massachusetts Senate passed a bill including funding alternatives to PFAS in firefighter gear and other products.
2026-04-25 · Read more →
Serious SDWA violator: Aquinnah Wampanoag
PWS ID: 010307001
2026-04-03 · Read more →
Massachusetts DEP tightens PFAS6 MCL to 20 ppt — stricter than EPA for combined PFAS
Massachusetts DEP maintains its PFAS6 standard (combined total of PFOA, PFOS, PFHxS, PFNA, PFDA, and PFHpA) at 20 ppt, which is functionally stricter than the federal individual compound MCLs for many...
2026-03-20 · Read more →
Free eligibility check — plus weekly MCL, deadline, and funding alerts for Massachusetts.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| MWRA MA6000000 | CHELSEA | 2,660,000 | — | — | Compliant |
| BOSTON WATER AND SEWER COMMISSION (MWRA) MA3035000 | BOSTON | 675,647 | — | — | Compliant |
| WORCESTER DPWP, WATER SUPPLY DIVISION MA2348000 | WORCESTER | 206,518 | — | — | Compliant |
| SPRINGFIELD WATER AND SEWER COMMISSION MA1281000 | SPRINGFIELD | 167,954 | — | — | Compliant |
| CAMBRIDGE WATER DEPARTMENT MA3049000 | CAMBRIDGE | 118,214 | 4.8 | — | Exceeds |
| LOWELL REGIONAL WATER UTILITY MA3160000 | LOWELL | 115,000 | 4.6 | — | Exceeds |
| QUINCY WATER DEPT. (MWRA) MA3243000 | QUINCY | 106,000 | — | — | Compliant |
| BROCKTON WATER DEPARTMENT |
| BROCKTON |
| 105,643 |
| — |
| — |
| Compliant |
| INIMA USA / AQUARIA LLC MA4076004 | NORTH DIGHTON | 105,643 | — | — | Compliant |
| LYNN WATER AND SEWER COMM MA3163000 | LYNN | 101,253 | 4.7 | — | Exceeds |
| CITY OF NEW BEDFORD DPI MA4201000 | NEW BEDFORD | 101,079 | — | — | Compliant |
| FALMOUTH WATER DEPT MA4096000 | FALMOUTH | 97,551 | — | — | Compliant |
| FALL RIVER WATER DEPARTMENT MA4095000 | FALL RIVER | 94,000 | — | — | Compliant |
| SALEM AND BEVERLY WATER SUPPLY BOARD MA3030001 | BEVERLY | 90,330 | — | — | Compliant |
| LAWRENCE WATER WORKS MA3149000 | LAWRENCE | 88,877 | — | — | Compliant |
| NEWTON WATER DEPT. (MWRA) MA3207000 | NEWTON | 88,415 | — | — | Compliant |
| SOMERVILLE WATER DEPT. (MWRA) MA3274000 | SOMERVILLE | 81,045 | — | — | Compliant |
| FRAMINGHAM WATER DEPT. (MWRA) MA3100000 | FRAMINGHAM | 72,362 | — | — | Compliant |
| MALDEN WATER DIVISION (MWRA) MA3165000 | MALDEN | 66,263 | — | — | Compliant |
| WALTHAM WATER DEPARTMENT MA3308000 | WALTHAM | 65,218 | — | — | Compliant |
| DENNIS WATER DISTRICT MA4075000 | SOUTH DENNIS | 65,000 | — | — | Compliant |
| HAVERHILL WATER DEPT MA3128000 | HAVERHILL | 63,235 | — | — | Compliant |
| BROOKLINE WATER AND SEWER DIVISION MA3046000 | BROOKLINE | 63,191 | — | — | Compliant |
| REVERE WATER DIVISION (MWRA) MA3248000 | REVERE | 62,186 | — | — | Compliant |
| TAUNTON WATER DIVISION MA4293000 | TAUNTON | 62,165 | — | — | Compliant |
| MEDFORD WATER DEPT. (MWRA) MA3176000 | MEDFORD | 61,700 | — | — | Compliant |
| WEYMOUTH WATER DEPARTMENT MA4336000 | WEYMOUTH | 57,613 | — | — | Compliant |
| UPPER CAPE REGIONAL WATER COOPERATIVE MA4261024 | SANDWICH | 56,250 | — | — | Compliant |
| CHICOPEE WATER DEPT (MWRA) MA1061000 | CHICOPEE | 55,560 | — | — | Compliant |
| PEABODY WATER DEPT. MA3229000 | PEABODY | 54,481 | 7 | — | Exceeds |
| METHUEN WATER DEPT MA3181000 | METHUEN | 53,059 | 4 | — | At risk |
| CENTERVILLE OSTERVILLE MARSTONS MILLS WD MA4020002 | OSTERVILLE | 50,000 | 4.9 | — | Exceeds |
| EVERETT WATER DEPT. (MWRA) MA3093000 | EVERETT | 49,075 | — | — | Compliant |
| BEVERLY WATER DEPT MA3030000 | BEVERLY | 47,461 | — | — | Compliant |
| PLYMOUTH WATER DEPARTMENT MA4239000 | PLYMOUTH | 46,799 | — | — | Compliant |
| ATTLEBORO WATER DEPT MA4016000 | ATTLEBORO | 46,654 | 6.6 | 12 | Exceeds |
| ARLINGTON WATER DEPT. (MWRA) MA3010000 | ARLINGTON | 46,308 | — | — | Compliant |
| RANDOLPH/HOLBROOK JOINT WATER BOARD MA4244001 | HOLBROOK | 45,767 | — | — | Compliant |
| WEIR RIVER WATER SYSTEM MA4131000 | HINGHAM | 45,339 | 6.4 | — | Exceeds |
| SALEM WATER DEPARTMENT MA3258000 | SALEM | 44,480 | — | — | Compliant |
| PITTSFIELD DPU WATER DEPT MA1236000 | PITTSFIELD | 43,927 | — | — | Compliant |
| BILLERICA WATER WORKS MA3031000 | BILLERICA | 42,119 | 5.5 | — | Exceeds |
| FITCHBURG DPW DIVISION OF WATER SUPPLY MA2097000 | FITCHBURG | 41,946 | 4.9 | — | Exceeds |
| MARLBOROUGH DPW WATER DIV. (MWRA) MA2170000 | MARLBOROUGH | 41,799 | — | — | Compliant |
| LEOMINSTER WATER DIVISION MA2153000 | LEOMINSTER | 41,683 | 4.3 | — | Exceeds |
| DEDHAM WESTWOOD WATER DIST. MA3073000 | DEDHAM | 41,630 | 6.5 | 5.1 | Exceeds |
| WESTFIELD DPWWATER DIVISION MA1329000 | WESTFIELD | 41,094 | — | — | Compliant |
| WOBURN WATER DEPT. MA3347000 | WOBURN | 40,876 | 8.4 | 6.9 | Exceeds |
| HOLYOKE WATER WORKS MA1137000 | HOLYOKE | 40,124 | — | — | Compliant |
| AMHERST DPW WATER DIVISION MA1008000 | AMHERST | 39,263 | — | — | Compliant |
| HARWICH WATER DEPARTMENT MA4126000 | HARWICH | 39,144 | — | — | Compliant |
| BRAINTREE WATER AND SEWER DEPT. MA4040000 | BRAINTREE | 39,143 | 5.3 | 8.5 | Exceeds |
| YARMOUTH WATER DEPARTMENT MA4351000 | WEST YARMOUTH | 38,900 | — | — | Compliant |
| SHREWSBURY WATER DEPARTMENT MA2271000 | SHREWSBURY | 38,325 | 5.4 | 5.6 | Exceeds |
| CHELSEA WATER DEPT. (MWRA) MA3057000 | CHELSEA | 38,319 | — | — | Compliant |
| GLOUCESTER PUBLIC UTILITY DIVISION MA3107000 | GLOUCESTER | 37,440 | — | — | Compliant |
| NATICK WATER AND SEWER DIVISION MA3198000 | NATICK | 37,006 | 14.3 | 37.3 | Exceeds |
| MASHPEE WATER DISTRICT MA4172039 | MASHPEE | 36,922 | — | — | Compliant |
| ANDOVER WATER DEPT MA3009000 | ANDOVER | 36,569 | — | — | Compliant |
| WATERTOWN WATER DEPT. (MWRA) MA3314000 | WATERTOWN | 35,329 | — | — | Compliant |
| HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE MA4020004 | HYANNIS | 35,000 | — | — | Compliant |
| BREWSTER WATER DEPARTMENT MA4041000 | BREWSTER | 35,000 | — | — | Compliant |
| RANDOLPH WATER DEPARTMENT MA4244000 | RANDOLPH | 34,362 | 7.3 | 13 | Exceeds |
| LEXINGTON WATER DEPT. (MWRA) MA3155000 | LEXINGTON | 34,074 | — | — | Compliant |
| MARSHFIELD WATER DEPARTMENT MA4171000 | MARSHFIELD | 34,000 | 7 | 4.6 | Exceeds |
| ABINGTON/ROCKLAND JOINT WTR. WORKS MA4001000 | ROCKLAND | 33,647 | 12 | 7 | Exceeds |
| FRANKLIN WATER DEPARTMENT MA2101000 | FRANKLIN | 33,399 | 4.7 | 5.6 | Exceeds |
| NEEDHAM WATER DEPT MA3199000 | NEEDHAM | 33,130 | 4.6 | 5 | Exceeds |
| ATTLEBORO WATER DEPT MA2016000 | ATTLEBORO | 33,000 | — | — | Compliant |
| TEWKSBURY WATER DEPARTMENT MA3295000 | TEWKSBURY | 31,342 | 5 | — | Exceeds |
| NORTH ANDOVER WATER DEPT MA3210000 | NORTH ANDOVER | 30,915 | — | — | Compliant |
| MILFORD WATER DEPARTMENT MA2185000 | MILFORD | 30,379 | 7.1 | 6.6 | Exceeds |
| CHATHAM WATER DEPARTMENT MA4055000 | CHATHAM | 30,000 | — | — | Compliant |
| NORWOOD WATER DEPT. (MWRA) MA4220000 | NORWOOD | 29,909 | — | — | Compliant |
| MATTAPOISETT RIVER VALLEY W.D. MA4173001 | MATTAPOISETT | 29,600 | — | — | Compliant |
| NORTHAMPTON WATER DIVISION MA1214000 | NORTHAMPTON | 29,571 | — | — | Compliant |
| WELLESLEY WATER DIVISION MA3317000 | WELLESLEY | 29,550 | 6.3 | 6.6 | Exceeds |
| MELROSE WATER DIVISION (MWRA) MA3178000 | MELROSE | 29,357 | — | — | Compliant |
| STOUGHTON WATER DEPARTMENT MA4285000 | STOUGHTON | 29,281 | 7.3 | 6.3 | Exceeds |
| NORTH ATTLEBORO WATER DEPT MA4211000 | NORTH ATTLEBOROUGH | 28,863 | 9 | 8 | Exceeds |
| WEST SPRINGFIELD DPW WATER DIVISION MA1325000 | WEST SPRINGFIELD | 28,835 | — | — | Compliant |
| CHELMSFORD WATER DISTRICT MA3056000 | CHELMSFORD | 28,750 | 8.9 | 7.2 | Exceeds |
| AGAWAM WATER DEPARTMENT MA1005000 | AGAWAM | 28,692 | — | — | Compliant |
| BRIDGEWATER WATER DEPARTMENT MA4042000 | BRIDGEWATER | 28,633 | 9 | 7 | Exceeds |
| MILTON WATER DEPT. (MWRA) MA3189000 | MILTON | 28,630 | — | — | Compliant |
| DANVERS WATER DEPT. MA3071000 | MIDDLETON | 28,087 | — | 5.2 | Exceeds |
| WANNACOMET WATER COMPANY MA4197000 | NANTUCKET | 27,703 | — | — | Compliant |
| READING WATER DEPARTMENT (MWRA) MA3246000 | READING | 27,358 | — | — | Compliant |
| BELMONT WATER DEPT. (MWRA) MA3026000 | BELMONT | 27,295 | — | — | Compliant |
| WAKEFIELD WATER DEPT MA3305000 | WAKEFIELD | 27,090 | 6.9 | — | Exceeds |
| SAUGUS WATER DEPT. (MWRA) MA3262000 | SAUGUS | 27,082 | — | — | Compliant |
| BURLINGTON WATER DEPT MA3048000 | BURLINGTON | 26,680 | — | — | Compliant |
| AMHERST WATER DIVISION MA4008000 | AMHERST | 26,331 | — | — | Compliant |
| HIGH WOOD WATER COMPANY MA4172000 | MASHPEE | 25,800 | — | — | Compliant |
| DRACUT WATER SUPPLY DISTRICT MA3079000 | DRACUT | 25,789 | 6.1 | — | Exceeds |
| DARTMOUTH WATER DIVISION MA4072000 | DARTMOUTH | 24,630 | 4.2 | 50.6 | Exceeds |
| WALPOLE WATER DEPT MA4307000 | WALPOLE | 24,070 | 4 | 4 | At risk |
| OAK BLUFFS WATER DISTRICT MA4221000 | OAK BLUFFS | 24,000 | — | — | Compliant |
| MANSFIELD WATER DIVISION MA4167000 | MANSFIELD | 23,289 | 4.3 | 6.2 | Exceeds |
| STONEHAM WATER DEPT (MWRA SUPPLY) MA3284000 | STONEHAM | 23,244 | — | — | Compliant |
| EASTON WATER DIV MA4088000 | SOUTH EASTON | 23,112 | 9.9 | 16.3 | Exceeds |
| SANDWICH WATER DISTRICT MA4261000 | SANDWICH | 23,000 | — | — | Compliant |
| WINCHESTER WATER DEPT MA3344000 | WINCHESTER | 22,970 | — | — | Compliant |
| BOURNE WATER DISTRICT MA4036000 | POCASSET | 22,500 | — | 4.8 | Exceeds |
| WILMINGTON WATER DEPT MA3342000 | WILMINGTON | 22,481 | — | — | Compliant |
| CANTON WATER DEPT MA4050000 | CANTON | 22,453 | 5 | — | Exceeds |
| PROVINCETOWN WATER DEPARTMENT MA4242000 | PROVINCETOWN | 22,250 | — | — | Compliant |
| WESTBOROUGH WATER DEPARTMENT MA2328000 | WESTBOROUGH | 21,567 | 5.8 | 7.5 | Exceeds |
| WAREHAM FIRE DISTRICT MA4310000 | PARKWOOD BEACH | 21,418 | — | — | Compliant |
| GARDNER WATER DEPARTMENT MA2103000 | GARDNER | 21,287 | — | — | Compliant |
| ACTON WATER SUPPLY DISTRICT MA2002000 | ACTON | 20,780 | 13.4 | 4.9 | Exceeds |
| MARBLEHEAD WATER DEPT. (MWRA) MA3168000 | MARBLEHEAD | 20,441 | — | — | Compliant |
| NEWBURYPORT WATER DEPARTMENT MA3206000 | NEWBURYPORT | 20,335 | — | 4.6 | Exceeds |
| HUDSON WATER SUPPLY MA2141000 | HUDSON | 20,032 | — | — | Compliant |
| SALISBURY WATER DIVISION MA3259000 | SALISBURY | 20,000 | 6 | — | Exceeds |
| WINTHROP WATER DIVISION, (MWRA) MA3346000 | WINTHROP | 19,316 | — | — | Compliant |
| SCITUATE WATER DIVISION MA4264000 | SCITUATE | 19,297 | 5.6 | 5.7 | Exceeds |
| SOUTHBRIDGE WATER DEPARTMENT MA2278000 | SOUTHBRIDGE | 19,180 | — | — | Compliant |
| NORTON WATER DEPARTMENT MA4218000 | NORTON | 19,161 | 8.8 | 4 | Exceeds |
| ORLEANS WATER DEPARTMENT MA4224000 | ORLEANS | 18,921 | — | — | Compliant |
| ASHLAND WATER AND SEWER DEPT. MA3014000 | ASHLAND | 18,832 | — | — | Compliant |
| CONCORD WATER DEPT MA3067000 | CONCORD | 18,788 | 6 | — | Exceeds |
| WESTFORD WATER DEPARTMENT MA3330000 | WESTFORD | 18,680 | 8.6 | 4.4 | Exceeds |
| FOXBORO WATER DEPARTMENT MA4099000 | FOXBOROUGH | 18,639 | 6.3 | 6.7 | Exceeds |
| NORTH ATTLEBORO WATER DEPT MA4111000 | NORTH ATTLEBORO | 18,500 | — | — | Compliant |
| SUDBURY WATER DISTRICT MA3288000 | SUDBURY | 18,416 | 9 | — | Exceeds |
| SOMERSET WATER DEPARTMENT MA4273000 | SOMERSET | 18,303 | — | — | Compliant |
| PEMBROKE WATER DIVISION DPW MA4231000 | PEMBROKE | 18,251 | — | — | Compliant |
| HOLDEN WATER DIVISION, DPW MA2134000 | HOLDEN | 17,951 | 4.9 | — | Exceeds |
| WEBSTER WATER DEPARTMENT MA2316000 | WEBSTER | 17,776 | 4.4 | — | Exceeds |
| GREENFIELD WATER DEPARTMENT MA1114000 | GREENFIELD | 17,645 | — | — | Compliant |
| ROCKLAND WATER DEPT MA4251000 | ROCKLAND | 17,500 | — | — | Compliant |
| SWANSEA WATER DISTRICT MA4292000 | SWANSEA | 17,375 | 5.1 | — | Exceeds |
| AMESBURY DPW WATER DIV. MA3007000 | AMESBURY | 17,366 | — | — | Compliant |
| SHARON WATER DEPT MA4266000 | SHARON | 16,991 | 8.1 | 15 | Exceeds |
| DUXBURY WATER DEPARTMENT MA4082000 | DUXBURY | 16,387 | 7.5 | 35 | Exceeds |
| EASTHAMPTON WATER DEPT MA1087000 | EASTHAMPTON | 16,211 | — | — | Compliant |
| EAST LONGMEADOW DPW WATER DEPT MA1085000 | EAST LONGMEADOW | 16,161 | — | — | Compliant |
| BELLINGHAM DPW WATER SEWER DIVISION MA2025000 | BELLINGHAM | 16,061 | 4.3 | 5 | Exceeds |
| NORTH READING WATER DEPT. MA3213000 | NORTH READING | 16,054 | — | — | Compliant |
| LONGMEADOW WATER DEPT MA1159000 | LONGMEADOW | 15,815 | — | — | Compliant |
| HOLLISTON WATER DEPARTMENT MA2136000 | HOLLISTON | 15,713 | 5.3 | 6.5 | Exceeds |
| CLINTON WATER DEPT MA2064000 | CLINTON | 15,530 | — | — | Compliant |
| MIDDLEBOROUGH WATER SUPPLY MA4182000 | MIDDLEBOROUGH | 15,350 | 11 | 5 | Exceeds |
| SWAMPSCOTT WATER DEPT. (MWRA) MA3291000 | SWAMPSCOTT | 15,175 | — | — | Compliant |
| HANOVER WATER DEPT MA4122000 | HANOVER | 14,984 | 8.9 | 11.4 | Exceeds |
| WHITMAN WATER SYSTEM MA4338000 | WHITMAN | 14,837 | — | — | Compliant |
| SOUTH HADLEY FD #1 (MWRA) MA1275000 | SOUTH HADLEY | 14,800 | — | — | Compliant |
| KINGSTON WATER DEPARTMENT MA4145000 | KINGSTON | 14,712 | — | — | Compliant |
| SEEKONK WATER DISTRICT MA4265000 | SEEKONK | 14,704 | — | 5 | Exceeds |
| EAST BRIDGEWATER WATER DEPT MA4083000 | EAST BRIDGEWATER | 14,526 | 5.1 | — | Exceeds |
| FAIRHAVEN WATER DEPT MA4094000 | FAIRHAVEN | 14,470 | — | — | Compliant |
| BEDFORD WATER DEPT. MA3023000 | BEDFORD | 14,394 | — | — | Compliant |
| NORTHBOROUGH WATER DEPARTMENT (MWRA) MA2215000 | NORTHBOROUGH | 13,535 | — | — | Compliant |
| HOLLISTON WATER DEPT MA3136000 | HOLLISTON | 13,200 | — | — | Compliant |
| WAYLAND WATER DEPARTMENT MA3315000 | WAYLAND | 13,196 | 9 | 4 | Exceeds |
| MEDWAY WATER DEPARTMENT MA2177000 | MEDWAY | 13,115 | 7.2 | — | Exceeds |
| IPSWICH DPU WATER DEPT MA3144000 | IPSWICH | 13,090 | 7.3 | — | Exceeds |
| NORTH ADAMS WATER DEPT MA1209000 | NORTH ADAMS | 13,000 | 5.9 | — | Exceeds |
| MEDFIELD WATER DEPT. MA2175000 | MEDFIELD | 12,894 | 7 | 6.7 | Exceeds |
| HOPKINTON WATER DEPARTMENT MA2139000 | HOPKINTON | 12,586 | 7.2 | — | Exceeds |
| AUBURN WATER DISTRICT MA2017000 | AUBURN | 12,255 | 5.7 | 4.7 | Exceeds |
| WESTON WATER DEPT. MA3333000 | WESTON | 11,941 | — | — | Compliant |
| WRENTHAM WATER DIVISION MA4350000 | WRENTHAM | 11,795 | 5.7 | 4.4 | Exceeds |
| HANSCOM AFB MA3023002 | BEDFORD | 11,789 | — | — | Compliant |
| UXBRIDGE DPW, WATER DIVISION MA2304000 | UXBRIDGE | 11,525 | — | 6.7 | Exceeds |
| SOUTH HADLEY FIRE DISTRICT #1 MA1117000 | SO HADLEY | 11,500 | — | — | Compliant |
| NORWELL WATER DEPARTMENT MA4219000 | NORWELL | 11,495 | 9.9 | 18.4 | Exceeds |
| HOLBROOK PUBLIC WORKS DEPT MA4133000 | HOLBROOK | 11,405 | 7 | 11.9 | Exceeds |
| ASH/WIN JOINT WATER AUTHORITY MA2011004 | ASHBURNHAM | 11,394 | — | — | Compliant |
| AQUARION WATER COMPANY, MILLBURY MA2186000 | MILLBURY | 11,326 | 15.8 | 6.2 | Exceeds |
| GRAFTON WATER DISTRICT MA2110000 | GRAFTON | 10,925 | 6.9 | 6.9 | Exceeds |
| RAYNHAM CENTER WATER DISTRICT MA4245000 | RAYNHAM | 10,824 | 92 | — | Exceeds |
| HULL WATER DEPT. MA3142000 | HULL | 10,572 | — | — | Compliant |
| SOUTHBOROUGH DPW WATER DIVISION (MWRA) MA2277000 | SOUTHBOROUGH | 10,514 | — | — | Compliant |
| ATHOL DPW WATER DIVISION MA1015000 | ATHOL | 10,418 | — | — | Compliant |
| MAYNARD DPW, WATER DIVISION MA2174000 | MAYNARD | 10,401 | 7.1 | 4.2 | Exceeds |
| WARE WATER DEPT MA1309000 | WARE | 10,066 | 4.9 | 7.1 | Exceeds |
| ROCKPORT WATER DEPT MA3252000 | ROCKPORT | 10,000 | — | — | Compliant |
| BLACKSTONE WATER DEPARTMENT MA2032000 | BLACKSTONE | 9,868 | 5.7 | — | Exceeds |
| LENOX DPW WATER DIVISION MA1152000 | LENOX | 9,800 | — | — | Compliant |
| KENWOOD WATER DISTRICT MA3079001 | DRACUT | 9,620 | 6.3 | — | Exceeds |
| LITTLETON WATER DEPARTMENT MA2158000 | LITTLETON | 9,611 | — | — | Compliant |
| HANSON WATER DEPARTMENT MA4123000 | HANSON | 9,546 | 5.6 | 4 | Exceeds |
| PEPPERELL DPW WATER DIVISION MA2232000 | PEPPERELL | 9,217 | 11.4 | 10 | Exceeds |
| AQUARION WATER COMPANY, PINEHILLS MA4239055 | MILLBURY | 9,195 | — | — | Compliant |
| MILLIS WATER DEPT MA2187000 | MILLIS | 9,002 | 6.9 | 7.3 | Exceeds |
| PLAINVILLE WATER DEPARTMENT MA4238000 | PLAINVILLE | 8,805 | 4.3 | 5.9 | Exceeds |
| GEORGETOWN WATER DEPARTMENT MA3105000 | GEORGETOWN | 8,766 | — | — | Compliant |
| STURBRIDGE WATER DEPT MA2287001 | FISKDALE | 8,750 | — | — | Compliant |
| LYNNFIELD CENTER WATER DISTRICT MA3164000 | LYNNFIELD | 8,569 | 6.1 | — | Exceeds |
| WILBRAHAM WATER DEPT (MWRA) MA1339000 | WILBRAHAM | 8,533 | — | — | Compliant |
| AYER DPW WATER DIVISION MA2019000 | AYER | 8,479 | — | — | Compliant |
| ACUSHNET WATER DEPARTMENT MA4003000 | ACUSHNET | 8,384 | — | — | Compliant |
| TURNERS FALLS WATER DEPT MA1192000 | TURNERS FALLS | 8,080 | — | — | Compliant |
| BROWN UNIVERSITY HEALTH-RI HOSPITAL RI2980469 | NEWTON | 8,040 | — | — | Compliant |
| EDGARTOWN WATER DEPARTMENT MA4089000 | EDGARTOWN | 8,027 | — | — | Compliant |
| WHITINSVILLE WATER COMPANY MA2216000 | WHITINSVILLE | 7,933 | — | — | Compliant |
| NORTHBRIDGE WATER DIVISION MA2216006 | NORTHBRIDGE | 7,889 | — | — | Compliant |
| WEST BRIDGEWATER WATER DEPT MA4322000 | WEST BRIDGEWATER | 7,856 | 5.5 | — | Exceeds |
| ADAMS FIRE DISTRICT MA1004000 | ADAMS | 7,851 | — | — | Compliant |
| BUZZARDS BAY WATER DISTRICT MA4036001 | BOURNE | 7,700 | — | — | Compliant |
| MATTAPOISETT WATER DEPARTMENT MA4173000 | MATTAPOISETT | 7,685 | — | — | Compliant |
| SOUTH HADLEY FIRE DISTRICT #2 MA1117001 | SO HADLEY | 7,650 | — | — | Compliant |
| SOUTHWICK WATER DEPT MA1279000 | SOUTHWICK | 7,646 | — | — | Compliant |
| NORFOLK WATER DIVISION MA2208000 | NORFOLK | 7,602 | 7 | 4.5 | Exceeds |
| COHASSET WATER DEPT MA4065000 | COHASSET | 7,555 | 6.7 | 4.5 | Exceeds |
| HALIFAX WATER DEPARTMENT MA4118000 | HALIFAX | 7,553 | 5.7 | — | Exceeds |
| NORTH CHELMSFORD WATER DIST MA3056002 | NORTH CHELMSFORD | 7,498 | — | — | Compliant |
| HAMILTON WATER DEPT MA3119000 | HAMILTON | 7,377 | 11.1 | 11.2 | Exceeds |
| AQUARION WATER COMPANY OXFORD MA2226000 | MILLBURY | 7,343 | — | — | Compliant |
| WILLIAMSTOWN WATER DEPT MA1341000 | WILLIAMSTOWN | 7,326 | — | — | Compliant |
| MIDDLETON WATER DEPT. MA3184000 | MIDDLETON | 7,255 | 4.5 | — | Exceeds |
| MERRIMAC WATER DEPARTMENT MA3180000 | MERRIMAC | 7,193 | 6.9 | — | Exceeds |
| LUNENBURG WATER DISTRICT MA2162000 | LUNENBURG | 7,145 | 5.1 | — | Exceeds |
| WEST BOYLSTON WATER DISTRICT MA2321000 | WEST BOYLSTON | 7,132 | 5.4 | — | Exceeds |
| SPENCER WATER DEPARTMENT MA2280000 | SPENCER | 7,037 | — | — | Compliant |
| STERLING WATER DEPARTMENT MA2282000 | STERLING | 6,754 | — | 5.2 | Exceeds |
| GROVELAND WATER DEPARTMENT MA3116000 | GROVELAND | 6,743 | 6.3 | — | Exceeds |
| ORANGE WATER DEPT MA1223000 | ORANGE | 6,526 | — | — | Compliant |
| TOWNSEND WATER DEPARTMENT MA2299000 | TOWNSEND | 6,500 | 6.5 | — | Exceeds |
| DEVENS MASSDEVELOPMENT MA2019001 | DEVENS | 6,500 | — | — | Compliant |
| DALTON FIRE DISTRICT MA1070000 | DALTON | 6,330 | — | — | Compliant |
| ROWLEY WATER DEPARTMENT MA3254000 | ROWLEY | 6,283 | 7.7 | 5.7 | Exceeds |
| SOUTH HADLEY FIRE DISTRICT #2 WATER DEPT MA1275001 | SOUTH HADLEY | 6,200 | — | — | Compliant |
| TOWN OF EASTHAM MA4086095 | EASTHAM | 6,199 | — | — | Compliant |
| TEMPLETON MUNIC. LIGHT AND WATER PLANT MA2294000 | BALDWINVILLE | 6,152 | 5.2 | — | Exceeds |
| TISBURY WATER WORKS MA4296000 | TISBURY | 6,082 | — | — | Compliant |
| HOPEDALE WATER DEPARTMENT MA2138000 | HOPEDALE | 6,017 | 6.8 | 4.3 | Exceeds |
| LANCASTER WATER DEPARTMENT MA2147000 | LANCASTER | 6,000 | — | — | Compliant |
| OTIS AIR NATIONAL GUARD BASE MA4096001 | OTIS ANGB | 6,000 | — | — | Compliant |
| MARION WATER DIVISION MA4169000 | MARION | 5,761 | — | — | Compliant |
| WINCHENDON WATER DEPARTMENT MA2343000 | WINCHENDON | 5,706 | — | — | Compliant |
| RUTLAND WATER DEPARTMENT MA2257000 | RUTLAND | 5,605 | — | — | Compliant |
| LINCOLN WATER DEPT MA3157000 | LINCOLN | 5,593 | 6.4 | 5.4 | Exceeds |
| DUDLEY WATER DEPARTMENT MA2080000 | DUDLEY | 5,515 | — | — | Compliant |
| GROTON WATER DEPARTMENT MA2115000 | GROTON | 5,456 | — | — | Compliant |
| TOPSFIELD WATER DEPARTMENT MA3298000 | TOPSFIELD | 5,435 | 9 | 5.4 | Exceeds |
| LEE WATER DEPT MA1150000 | LEE | 5,420 | — | — | Compliant |
| BARNSTABLE FIRE DISTRICT MA4020000 | BARNSTABLE | 5,400 | 4.4 | 7.1 | Exceeds |
| ONSET FIRE DISTRICTWATER DEPT. MA4310003 | ONSET | 5,392 | — | 7.1 | Exceeds |
| DIGHTON WATER DISTRICT MA4076000 | NORTH DIGHTON | 5,264 | 5.5 | 4.1 | Exceeds |
| MANCHESTER BY THE SEA DPW MA3166000 | MANCHESTER BY THE SEA | 5,170 | 12 | 4.8 | Exceeds |
| COTUIT FIRE DISTRICT WATER DEPARTMENT MA4020003 | COTUIT | 4,938 | — | — | Compliant |
| HADLEY DPW WATER DIVISION MA1117002 | HADLEY | 4,871 | — | — | Compliant |
| SOUTHAMPTON WATER DEPT MA1276000 | SOUTHAMPTON | 4,853 | — | — | Compliant |
| LYNNFIELD WATER DIST. (MWRA) MA3164001 | LYNNFIELD | 4,820 | — | — | Compliant |
| PALMER WATER DISTRICT NO.1 MA1227000 | PALMER | 4,789 | — | — | Compliant |
| TOWN OF AVON MA4018000 | AVON | 4,777 | 5.1 | 6 | Exceeds |
| NORTH SAGAMORE WATER DISTRICT MA4036002 | SAGAMORE BEACH | 4,668 | — | — | Compliant |
| STURBRIDGE WATER DEPARTMENT MA2287000 | STURBRIDGE | 4,567 | — | — | Compliant |
| UPTON DPW WATER/WASTEWATER DIVISION MA2303000 | UPTON | 4,420 | — | — | Compliant |
| DOUGLAS WATER DEPARTMENT MA2077000 | DOUGLAS | 4,400 | — | — | Compliant |
| TYNGSBOROUGH WATER DISTRICT MA3301000 | TYNGSBOROUGH | 4,382 | 4.6 | — | Exceeds |
| GREAT BARRINGTON FIRE DIST MA1113000 | GREAT BARRINGTON | 4,375 | — | — | Compliant |
| PAXTON WATER DEPARTMENT MA2228000 | PAXTON | 4,300 | — | — | Compliant |
| MONSON WATER AND SEWER DEPT MA1191000 | MONSON | 4,212 | — | — | Compliant |
| SHIRLEY WATER DISTRICT MA2270000 | SHIRLEY | 4,121 | 6.9 | — | Exceeds |
| BARRE WATER DEPARTMENT MA2021000 | BARRE | 4,098 | — | — | Compliant |
| MIDDLETON WATER DEPT. MA3183000 | MIDDLETON | 4,030 | — | — | Compliant |
| WENHAM WATER DEPT. MA3320000 | WENHAM | 3,942 | 7.2 | 6.4 | Exceeds |
| NORTH BROOKFIELD WATER DEPARTMENT MA2212000 | NORTH BROOKFIELD | 3,903 | — | — | Compliant |
| NORTH RAYNHAM WATER DISTRICT MA4245002 | RAYNHAM | 3,902 | — | — | Compliant |
| SOUTH DEERFIELD WATER SUPPLY DISTRICT MA1074001 | SOUTH DEERFIELD | 3,800 | — | — | Compliant |
| WESTMINSTER DEPARTMENT OF PUBLIC WORKS MA2332000 | WESTMINSTER | 3,741 | — | — | Compliant |
| CHERRY VALLEY/ ROCHDALE WATER DISTRICT MA2151001 | ROCHDALE | 3,696 | — | — | Compliant |
| ASHBURNHAM WATER DEPARTMENT MA2011000 | ASHBURNHAM | 3,680 | — | — | Compliant |
| ESSEX WATER DEPT. MA3092000 | ESSEX | 3,675 | — | — | Compliant |
| MCI SHIRLEY MA2270001 | MILFORD | 3,500 | — | — | Compliant |
| FRANKLIN SPRINGS WATER PA9996267 | FRANKLIN | 3,500 | — | — | Compliant |
| MISCOE SPRINGS, INC. PA9996284 | MENDON | 3,500 | — | — | Compliant |
| BOYLSTON WATER DISTRICT MA2039000 | BOYLSTON | 3,343 | 6 | — | Exceeds |
| NAHANT WATER DEPT. (MWRA) MA3196000 | NAHANT | 3,334 | — | — | Compliant |
| SOUTH GRAFTON WATER DISTRICT MA2110001 | SOUTH GRAFTON | 3,262 | — | — | Compliant |
| THREE RIVERS FIRE DISTRICT MA1227003 | THREE RIVERS | 3,258 | — | — | Compliant |
| LEICESTER WATER SUPPLY DISTRICT MA2151000 | LEICESTER | 3,200 | — | — | Compliant |
| SUNDERLAND WATER DISTRICT MA1289000 | SUNDERLAND | 3,190 | — | — | Compliant |
| HATFIELD WATER DEPT MA1127000 | HATFIELD | 3,183 | — | — | Compliant |
| BELCHERTOWN WATER DISTRICT MA1024000 | BELCHERTOWN | 3,098 | — | — | Compliant |
| WEST NEWBURY WATER DEPARTMENT MA3324000 | WEST NEWBURY | 3,080 | — | — | Compliant |
| SIASCONSET WATER DEPARTMENT MA4197001 | NANTUCKET | 3,000 | — | — | Compliant |
| WELLESLEY COLLEGE MA3317001 | WELLESLEY | 3,000 | — | — | Compliant |
| MILLERS FALLS WATER DISTRICT MA1192002 | TURNERS FALLS | 2,855 | — | — | Compliant |
| MCI BRIDGEWATER MA4042001 | MILFORD | 2,802 | — | — | Compliant |
| EAST CHELMSFORD WATER DISTRICT MA3056001 | CHELMSFORD | 2,800 | — | — | Compliant |
| STOCKBRIDGE WATER DEPT MA1283003 | STOCKBRIDGE | 2,800 | — | — | Compliant |
| WILKINSONVILLE WATER DISTRICT MA2290014 | SUTTON | 2,773 | — | — | Compliant |
| TEWKSBURY HOSPITAL MA3295001 | TEWKSBURY | 2,500 | — | — | Compliant |
| WEST BROOKFIELD WATER DEPARTMENT MA2323000 | WEST BROOKFIELD | 2,477 | — | — | Compliant |
| OLD TOWN WATER DISTRICT MA3205000 | NEWBURY | 2,400 | — | — | Compliant |
| AGAWAM SPRINGS WATER COMPANY MA4239060 | WAREHAM | 2,380 | — | — | Compliant |
| LANESBOROUGH FIRE AND WATER DISTRICT MA1148000 | LANESBOROUGH | 2,324 | — | — | Compliant |
| WARREN WATER DISTRICT MA1311000 | WARREN | 2,289 | — | — | Compliant |
| ELM HILL WATER DISTRICT MA2017001 | AUBURN | 2,278 | — | — | Compliant |
| AQUARION WATER COMPANY MA4239045 | MILLBURY | 2,267 | — | — | Compliant |
| BYFIELD WATER DISTRICT MA3205001 | BYFIELD | 2,228 | — | — | Compliant |
| MCI NORFOLK/CEDAR JUNCTION/WALPOLE MA2208001 | MILFORD | 2,200 | — | — | Compliant |
| HUNTINGTON WATER DEPT MA1143000 | HUNTINGTON | 2,180 | — | — | Compliant |
| AQUARION WATER COMPANY (DOVER) MA3078006 | MILLBURY | 1,922 | — | — | Compliant |
| MONSON STATE HOSPITAL MA1227004 | PALMER | 1,810 | — | — | Compliant |
| SHELBURNE FALLS FIRE DISTRICT MA1268000 | SHELBURNE FALLS | 1,806 | — | — | Compliant |
| HINSDALE WATER DEPT MA1132000 | HINSDALE | 1,800 | — | — | Compliant |
| SOUTHFIELD REDEVELOPEMENT AUTHORITY MA4336007 | WEYMOUTH | 1,800 | — | — | Compliant |
| WITCHES BROOK WATER COMPANY MA2299001 | TOWNSEND | 1,656 | — | — | Compliant |
| FREETOWN WATER COMMISSION MA4102035 | ASSONET | 1,600 | — | — | Compliant |
| WILLIAMSBURG WATER DEPT MA1340000 | HAYDENVILLE | 1,575 | — | — | Compliant |
| EAST BROOKFIELD WATER DEPARTMENT MA2084000 | EAST BROOKFIELD | 1,526 | — | — | Compliant |
| HILLCREST WATER DISTRICT MA2151002 | LEICESTER | 1,500 | — | — | Compliant |
| BERNARDSTON FIRE WATER DIST MA1029000 | BERNARDSTON | 1,462 | — | — | Compliant |
| THORNDIKE FIRE AND WATER DISTRICT MA1227001 | THORNDIKE | 1,435 | — | — | Compliant |
| BONDSVILLE FIRE AND WATER DISTRICT MA1227002 | BONDSVILLE | 1,429 | — | — | Compliant |
| HARVARD WATER DEPARTMENT MA2125000 | HARVARD | 1,422 | — | — | Compliant |
| CHESHIRE WATER DEPT MA1058000 | CHESHIRE | 1,407 | — | — | Compliant |
| MORNINGDALE WATER DISTRICT MA2039001 | BOYLSTON | 1,400 | — | — | Compliant |
| HOUSATONIC WATER WORKS MA1113003 | GREAT BARRINGTON | 1,391 | — | — | Compliant |
| RIVERBRIDGE MA2028020 | BREWSTER | 1,330 | — | — | Compliant |
| DEERFIELD FIRE DISTRICT MA1074000 | DEERFIELD | 1,300 | — | — | Compliant |
| NORTH DIGHTON FIRE DISTRICT MA4076002 | NORTH DIGHTON | 1,300 | — | — | Compliant |
| RUSSELL WATER DEPT MA1256000 | RUSSELL | 1,228 | — | — | Compliant |
| SOUTH SAGAMORE WATER DISTRICT MA4036003 | POCASSET | 1,200 | — | — | Compliant |
| LOWELL GENERAL HOSPITAL / INACT. MA3160001 | LOWELL | 1,200 | — | — | Compliant |
| GILBERTVILLE WATER DISTRICT MA1124001 | GILBERTVILLE | 1,089 | — | — | Compliant |
| BROOKFIELD WATER DEPARTMENT MA2045000 | BROOKFIELD | 1,008 | — | — | Compliant |
| MCI CEDAR JUNCTION WALPOLE MA4307001 | WALPOLE | 1,000 | — | — | Compliant |
| EGREMONT WATER DEPT MA1090000 | SOUTH EGREMONT | 1,000 | — | — | Compliant |
| US ARMY SOLDIER SYSTEMS COMMAND MA3198003 | NATICK | 1,000 | — | — | Compliant |
| HUNTINGTON WATER DEPT MA1143001 | HUNTINGTON | 1,000 | — | — | Compliant |
| JIMINY PEAK RESORT MA1121004 | HANCOCK | 1,000 | — | — | Compliant |
| TAUNTON STATE HOSPITAL MA4293001 | TAUNTON | 966 | — | — | Compliant |
| WRENTHAM DEVELOPMENTAL CENTER MA4350001 | WRENTHAM | 937 | — | — | Compliant |
| MT GREYLOCK REGIONAL SCHOOL MA1341010 | WILLIAMSTOWN | 930 | — | — | Compliant |
| WEST WARREN WATER DISTRICT MA1311001 | WEST WARREN | 927 | — | — | Compliant |
| WHATELY WATER DEPARTMENT MA1337010 | SOUTH DEERFIELD | 900 | — | — | Compliant |
| MENEMSHA WATER COMPANY MA4062000 | CHILMARK | 841 | — | — | Compliant |
| OVERLOOK LIFE CARE COMMUNITY MA2054003 | CHARLTON | 835 | — | — | Compliant |
| NORTHFIELD WATER DISTRICT MA1217000 | NORTHFIELD | 800 | — | — | Compliant |
| MEDFIELD STATE HOSPITAL MA2175001 | MEDFIELD | 762 | — | — | Compliant |
| WELLFLEET MUNICIPAL WATER SYSTEM MA4318094 | WELLFLEET | 750 | — | — | Compliant |
| NORTHFIELD MT HERMON SCHOOL MA1106002 | MOUNT HERMON | 750 | — | — | Compliant |
| CHESTER WATER DEPT MA1059000 | CHESTER | 750 | — | — | Compliant |
| SOUTH MEADOW VILLAGE MA4052001 | CARVER | 750 | — | — | Compliant |
| EAST NORTHFIELD WATER CO MA1217001 | NORTHFIELD | 659 | — | — | Compliant |
| DANVERS STATE HOSPITAL MA3071002 | DANVERS | 650 | — | — | Compliant |
| BARRE WOOL CUMBING CO MA2021002 | BARRE | 650 | — | — | Compliant |
| BARNSTABLE COUNTY JAIL MA4036015 | BOURNE | 600 | — | — | Compliant |
| PINE VALLEY PLANTATION MA1024002 | BELCHERTOWN | 600 | — | — | Compliant |
| WORTHINGTON FIRE DISTRICT MA1349000 | WORTHINGTON | 565 | — | — | Compliant |
| ERVING WATER DEPT MA1091000 | ERVING | 561 | — | — | Compliant |
| WEST STOCKBRIDGE WATER DEPT MA1326000 | WEST STOCKBRIDGE | 535 | — | — | Compliant |
| BARD COLLEGE AT SIMONS ROCK MA1113017 | GREAT BARRINGTON | 500 | — | — | Compliant |
| COLDBROOK CAMPGROUND MA2021004 | BARRE | 500 | — | — | Compliant |
| LIBERTY MANOR INC MA1329009 | WESTFIELD | 500 | — | — | Compliant |
| APPLEWOOD COMMUNITY CORPORATION MA2037013 | BOXBOROUGH | 500 | — | — | Compliant |
| OLD TOWN WATER DIST. MA3205003 | NEWBURY | 500 | — | — | Compliant |
| ASSABET WATER COMPANY MA2286001 | GRAFTON | 482 | — | — | Compliant |
| WILLAUGHBY BEACH MA4055002 | CHATHAM | 480 | — | — | Compliant |
| VILLAGE ARMS APTS./SPRING HILL COMMOMS MA2002012 | ACTON | 472 | — | — | Compliant |
| MENDON WATER DEPARTMENT MA2179000 | MENDON | 470 | — | — | Compliant |
| WOODLAND WATER DISTRICT MA2017002 | AUBURN | 465 | — | — | Compliant |
| PADDOCK ESTATES MA2037036 | BOXBOROUGH | 463 | — | — | Compliant |
| MONTAGUE CENTER WATER DISTRICT MA1192003 | MONTAGUE | 450 | — | — | Compliant |
| SAME AS ABOVE MA3067001 | CONCORD | 450 | — | — | Compliant |
| KRIPALU CENTER MA1283014 | STOCKBRIDGE | 450 | — | — | Compliant |
| BLANDFORD WATER DEPT MA1033000 | BLANDFORD | 442 | — | — | Compliant |
| LONE OAK EST. WATER CO TX0150069 | FRANKLIN | 440 | — | — | Compliant |
| KINGS GRANT WATER CO INC MA4211001 | ATTLEBORO | 434 | — | — | Compliant |
| CAMPION RESIDENCE AND RENEWAL CTR MA3333001 | WESTON | 425 | — | — | Compliant |
| BERKSHIRE SCHOOL MA1267001 | SHEFFIELD | 425 | — | — | Compliant |
| GOSNOLD WATER DEPT MA4109000 | GOSNOLD | 425 | — | — | Compliant |
| CRANBERRY VILLAGE RESIDENTS ASSOCIATION MA4052026 | CARVER | 414 | — | — | Compliant |
| TOWN OF CARVER MA4052067 | CARVER | 414 | — | — | Compliant |
| NEW JUNCTION WATER CO MA1070001 | DALTON | 412 | — | — | Compliant |
| GREAT ROAD CONDOMINIUM MA2002006 | ACTON | 400 | — | — | Compliant |
| MILLBURY IND. PARK/ PARK HILL VILLAGE MA2186001 | MILLBURY | 400 | — | — | Compliant |
| BROOK VILLAGE CONDOMINIUM MA2037007 | HOPKINTON | 400 | — | — | Compliant |
| HUTCHINSON WATER LLC MA1058001 | GRAFTON | 400 | — | — | Compliant |
| ASHFIELD WATER DISTRICT MA1013000 | ASHFIELD | 400 | — | — | Compliant |
| CANALSIDE APTS MA4036005 | BOURNE | 392 | — | — | Compliant |
| LINDEN PONDS MA4131005 | HINGHAM | 384 | — | — | Compliant |
| CODMAN HILL CONDOMINIUM MA2037001 | SUDBURY | 360 | — | — | Compliant |
| STURBRIDGE RETIREMENT COOP. CORP. MA2287020 | STURBRIDGE | 350 | — | — | Compliant |
| EAGLEBROOK SCHOOL MA1074005 | DEERFIELD | 350 | — | — | Compliant |
| HARVARD RIDGE CONDOMINIUM MA2037002 | BEDFORD | 350 | — | — | Compliant |
| CLARK SHORES WATER CORPORATION MA4146006 | LAKEVILLE | 350 | — | — | Compliant |
| PINETREE VILLAGE MA4052025 | CARVER | 348 | — | — | Compliant |
| RIVERSIDE WATER DISTRICT MA1106000 | GILL | 341 | — | — | Compliant |
| DUNSTABLE WATER DEPARTMENT MA2081000 | DUNSTABLE | 337 | — | — | Compliant |
| CUMMINGTON WATER DEPT MA1069001 | CUMMINGTON | 310 | — | — | Compliant |
| THE MACDUFFIE SCHOOL MA1111001 | GRANBY | 305 | — | — | Compliant |
| THE RESERVE AT SPRING HILL MA4247061 | REHOBOTH | 300 | — | — | Compliant |
| EAGLE HILL SCHOOL MA1124003 | HARDWICK | 300 | — | — | Compliant |
| NORTH CARVER WATER DISTRICT MA4052072 | CARVER | 300 | — | — | Compliant |
| WHEELWRIGHT WATER DISTRICT MA1124002 | WHEELWRIGHT | 300 | — | — | Compliant |
| SUGARBUSH MEADOWS MA1289004 | SUNDERLAND | 300 | — | — | Compliant |
| LAKE PLEASANT WATER DISTRICT MA1192001 | LAKE PLEASANT | 280 | — | — | Compliant |
| SOUTH ROYALSTON IMPROVEMENT CORP MA1255000 | ROYALSTON | 275 | — | — | Compliant |
| SAWYER HILL ECOVILLAGE MA2028017 | BERLIN | 272 | — | — | Compliant |
| MASHPEE UNITED CHURCH VILLAGE MA4172021 | MASHPEE | 268 | — | — | Compliant |
| RINGS ISLAND WATER DISTRICT MA3259001 | SALISBURY | 250 | — | — | Compliant |
| TOWN OF WESTPORT MA4334090 | WESTPORT | 250 | — | — | Compliant |
| YANKEE BOOK PEDDLER NH1196050 | IPSWICH | 240 | — | — | Compliant |
| TWIN OAKS MHP MIDLAND TX1650057 | SAVOY | 234 | — | — | Compliant |
| VINE BROOK ESTATES MA3330014 | WESTFORD | 233 | — | — | Compliant |
| APARTMENTS SAWMIN RD MA2177001 | MEDWAY | 231 | — | — | Compliant |
| WAGON WHEEL COMMUNITY, INC. MA2045004 | BROOKFIELD | 228 | — | — | Compliant |
| WHITE PINES CONDOMINIUMS MA1283015 | LENOX | 225 | — | — | Compliant |
| ASSONET BAY SHORES MA4102001 | ASSONET | 225 | — | — | Compliant |
| PHEASANT RUN CONDOMINIUMS MA4172046 | MASHPEE | 225 | — | — | Compliant |
| SEA OAKS CONDOMINIUMS MA4172033 | BARNSTABLE | 222 | — | — | Compliant |
| JUNIPER HILL WATER COMPANY MA2286000 | STOW | 220 | — | — | Compliant |
| WINDBROOK ACRES COOP CORP MA2017003 | AUBURN | 220 | — | — | Compliant |
| MASAC PLYMOUTH MA4239010 | MILFORD | 210 | — | — | Compliant |
| CHRISTMAS MOUNTAIN CONDOMINIUM NH0162220 | MEDFORD | 203 | — | — | Compliant |
| COTUIT BAY CONDOMINIUMS MA4172037 | MASHPEE | 202 | — | — | Compliant |
| PINE KNOLL VILLAGE NH1333020 | MARBLEHEAD | 200 | — | — | Compliant |
| SWEET WOOD RETIREMENT COMMUNITY MA1341003 | WILLIAMSTOWN | 200 | — | — | Compliant |
| WESTHAMPTON WATER CO MA1331000 | NORTHAMPTON | 200 | — | — | Compliant |
| PLEASANT WATER MA4318091 | SOUTH YARMOUTH | 200 | — | — | Compliant |
| JIM HARKINS MA4239008 | PLYMOUTH | 200 | — | — | Compliant |
| PINECROFT WATER DISTRICT MA2321001 | WEST BOYLSTON | 190 | — | — | Compliant |
| BRIGGSVILLE WATER DISTRICT MA1063003 | CLARKSBURG | 180 | — | — | Compliant |
| NOQUOCHOKE VILLAGE LLC MA4334092 | BOSTON | 180 | — | — | Compliant |
| DESISTO AT STOCKBRIDGE SCHOOL MA1326002 | WEST STOCKBRIDGE | 180 | — | — | Compliant |
| BEDFORD VA HOSPITAL (ROGERS MEM. HOSP.) MA3023001 | BEDFORD | 177 | — | — | Compliant |
| TOWNHOUSES @ COPPER LANTERN MA4052070 | CARVER | 176 | — | — | Compliant |