STATE / TERRITORY LEDGER
Massachusetts drinking water system records
EPA’s September 2026 export lists 275 active community water systems in Massachusetts, with 80 current-violation flags and 0 serious-violator flags among covered systems serving at least 2,500 people.
Source: EPA SDWIS system-search export · Active community systems · Snapshot 13 Sep 2026
Systems275active CWS · pop. 2,500+
Population served9,880,468reported total; may overlap
Current violation flag29.1%80 systems
Serious-violator flag0.0%0 systems
01 / LARGEST SYSTEMS
Massachusetts community water systems
EPA’s covered Massachusetts records include 275 active community systems reporting a combined population-served total of 9,880,468, which may overlap.
Population served is a system-reported service figure. It is not a count of unique state residents.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| MwraMA6000000 | 2,580,000 | Surface water | No current violation flagged |
| Boston Water And Sewer Commission (Mwra)MA3035000 | 675,647 | Surface water purchased | Current health-based flag |
| Worcester Dpwp, Water Supply DivisionMA2348000 | 206,518 | Surface water | No current violation flagged |
| Springfield Water And Sewer CommissionMA1281000 | 169,170 | Surface water | No current violation flagged |
| Lowell Regional Water UtilityMA3160000 | 120,418 | Surface water | Current monitoring/reporting flag |
| Cambridge Water DepartmentMA3049000 | 118,214 | Surface water | No current violation flagged |
| Quincy Water Dept. (Mwra)MA3243000 | 106,000 | Surface water purchased | No current violation flagged |
| Brockton Water DepartmentMA4044000 | 105,788 | Surface water | No current violation flagged |
| Inima Usa / Aquaria LlcMA4076004 | 105,643 | Surface water | No current violation flagged |
| Lynn Water And Sewer CommMA3163000 | 101,253 | Surface water | No current violation flagged |
| City Of New Bedford DpiMA4201000 | 101,079 | Surface water | No current violation flagged |
| Falmouth Water DeptMA4096000 | 97,551 | Surface water | No current violation flagged |
| Fall River Water DepartmentMA4095000 | 94,000 | Surface water | Current monitoring/reporting flag |
| Salem And Beverly Water Supply BoardMA3030001 | 90,330 | Surface water | No current violation flagged |
| Lawrence Water WorksMA3149000 | 89,143 | Surface water | Current monitoring/reporting flag |
| Newton Water Dept. (Mwra)MA3207000 | 88,931 | Surface water purchased | Current monitoring/reporting flag |
| Somerville Water Dept. (Mwra)MA3274000 | 81,045 | Surface water purchased | Current health-based flag |
| Framingham Water Dept. (Mwra)MA3100000 | 72,362 | Surface water purchased | No current violation flagged |
| Malden Water Division (Mwra)MA3165000 | 66,263 | Surface water purchased | Current monitoring/reporting flag |
| Waltham Water DepartmentMA3308000 | 65,218 | Surface water purchased | Current monitoring/reporting flag |
| Dennis Water DistrictMA4075000 | 65,000 | Ground water | No current violation flagged |
| Brookline Water And Sewer DivisionMA3046000 | 63,191 | Surface water purchased | No current violation flagged |
| Revere Water Division (Mwra)MA3248000 | 62,186 | Surface water purchased | Current monitoring/reporting flag |
| Taunton Water DivisionMA4293000 | 62,165 | Surface water | No current violation flagged |
| Medford Water Dept. (Mwra)MA3176000 | 61,700 | Surface water purchased | Current health-based flag |
| Haverhill Water DeptMA3128000 | 61,277 | Surface water | Current monitoring/reporting flag |
| Weymouth Water DepartmentMA4336000 | 57,871 | Surface water | No current violation flagged |
| Upper Cape Regional Water CooperativeMA4261024 | 56,250 | Ground water | No current violation flagged |
| Chicopee Water Dept (Mwra)MA1061000 | 55,560 | Surface water purchased | Other current violation flag |
| Peabody Water Dept.MA3229000 | 54,481 | Surface water | No current violation flagged |
| Methuen Water DeptMA3181000 | 53,059 | Surface water | Current monitoring/reporting flag |
| Centerville Osterville Marstons Mills WdMA4020002 | 50,000 | Ground water | No current violation flagged |
| Everett Water Dept. (Mwra)MA3093000 | 49,075 | Surface water purchased | Current monitoring/reporting flag |
| Beverly Water DeptMA3030000 | 47,461 | Surface water purchased | No current violation flagged |
| Plymouth Water DepartmentMA4239000 | 47,100 | Ground water | No current violation flagged |
| Randolph/Holbrook Joint Water BoardMA4244001 | 46,519 | Surface water | No current violation flagged |
| Attleboro Water DeptMA4016000 | 46,461 | Surface water | No current violation flagged |
| Arlington Water Dept. (Mwra)MA3010000 | 46,308 | Surface water purchased | No current violation flagged |
| Weir River Water SystemMA4131000 | 45,339 | Surface water | No current violation flagged |
| Salem Water DepartmentMA3258000 | 44,480 | Surface water purchased | No current violation flagged |
| Pittsfield Dpu Water DeptMA1236000 | 43,927 | Surface water | Other current violation flag |
| Billerica Water WorksMA3031000 | 42,119 | Surface water | No current violation flagged |
| Fitchburg Dpw Division Of Water SupplyMA2097000 | 41,946 | Surface water | No current violation flagged |
| Marlborough Dpw Water Div. (Mwra)MA2170000 | 41,799 | Surface water purchased | No current violation flagged |
| Leominster Water DivisionMA2153000 | 41,683 | Surface water | No current violation flagged |
| Dedham Westwood Water Dist.MA3073000 | 41,630 | Surface water purchased | No current violation flagged |
| Westfield Dpwwater DivisionMA1329000 | 41,094 | Surface water | No current violation flagged |
| Woburn Water Dept.MA3347000 | 40,876 | Surface water purchased | No current violation flagged |
| Chelsea Water Dept. (Mwra)MA3057000 | 40,787 | Surface water purchased | No current violation flagged |
| Amherst Dpw Water DivisionMA1008000 | 39,263 | Surface water | No current violation flagged |
| Harwich Water DepartmentMA4126000 | 39,144 | Ground water | No current violation flagged |
| Braintree Water And Sewer Dept.MA4040000 | 39,143 | Surface water | Other current violation flag |
| Yarmouth Water DepartmentMA4351000 | 38,900 | Ground water | Current monitoring/reporting flag |
| Shrewsbury Water DepartmentMA2271000 | 38,325 | Ground water | No current violation flagged |
| Holyoke Water WorksMA1137000 | 37,838 | Surface water | No current violation flagged |
| Gloucester Public Utility DivisionMA3107000 | 37,440 | Surface water | No current violation flagged |
| Natick Water And Sewer DivisionMA3198000 | 37,006 | Ground water | Current monitoring/reporting flag |
| Mashpee Water DistrictMA4172039 | 36,922 | Ground water | No current violation flagged |
| Andover Water DeptMA3009000 | 36,569 | Surface water | Current health-based flag |
| Watertown Department Of Public WorksMA3314000 | 35,985 | Surface water purchased | No current violation flagged |
| Randolph Water DepartmentMA4244000 | 35,114 | Surface water purchased | No current violation flagged |
| Brewster Water DepartmentMA4041000 | 35,000 | Ground water | No current violation flagged |
| Hyannis Water System, Town Of BarnstableMA4020004 | 35,000 | Ground water | No current violation flagged |
| Lexington Water Dept. (Mwra)MA3155000 | 34,074 | Surface water purchased | Current monitoring/reporting flag |
| Marshfield Water DepartmentMA4171000 | 34,000 | Ground water | Other current violation flag |
| Franklin Water DepartmentMA2101000 | 33,706 | Ground water | Current monitoring/reporting flag |
| Abington/Rockland Joint Wtr. WorksMA4001000 | 33,387 | Surface water | No current violation flagged |
| Needham Water DeptMA3199000 | 31,664 | Surface water purchased | No current violation flagged |
| North Attleboro Water DeptMA4211000 | 31,410 | Ground water | Current monitoring/reporting flag |
| Tewksbury Water DepartmentMA3295000 | 31,342 | Surface water | Current monitoring/reporting flag |
| North Andover Water DeptMA3210000 | 30,915 | Surface water | No current violation flagged |
| Milford Water DepartmentMA2185000 | 30,379 | Surface water | No current violation flagged |
| Chatham Water DepartmentMA4055000 | 30,000 | Ground water | No current violation flagged |
| Melrose Water Division (Mwra)MA3178000 | 29,938 | Surface water purchased | Current health-based flag |
| Norwood Water Dept. (Mwra)MA4220000 | 29,909 | Surface water purchased | No current violation flagged |
| Mattapoisett River Valley W.D.MA4173001 | 29,600 | Ground water purchased | No current violation flagged |
| Northampton Water DivisionMA1214000 | 29,571 | Surface water | No current violation flagged |
| Wellesley Water DivisionMA3317000 | 29,550 | Surface water purchased | Current monitoring/reporting flag |
| Stoughton Water DepartmentMA4285000 | 29,281 | Surface water purchased | No current violation flagged |
| West Springfield Dpw Water DivisionMA1325000 | 28,835 | Ground water | No current violation flagged |
| Chelmsford Water DistrictMA3056000 | 28,750 | Ground water | No current violation flagged |
| Agawam Water DepartmentMA1005000 | 28,692 | Surface water purchased | No current violation flagged |
| Bridgewater Water DepartmentMA4042000 | 28,633 | Ground water | Current monitoring/reporting flag |
| Milton Water Dept. (Mwra)MA3189000 | 28,630 | Surface water purchased | Current monitoring/reporting flag |
| Danvers Water Dept.MA3071000 | 28,087 | Surface water | No current violation flagged |
| Saugus Water Dept. (Mwra)MA3262000 | 27,844 | Surface water purchased | No current violation flagged |
| Wannacomet Water CompanyMA4197000 | 27,703 | Ground water | Current monitoring/reporting flag |
| Belmont Water Dept. (Mwra)MA3026000 | 27,442 | Surface water purchased | Current monitoring/reporting flag |
| Wakefield Water DeptMA3305000 | 27,090 | Surface water | Current monitoring/reporting flag |
| Reading Water Department (Mwra)MA3246000 | 26,262 | Surface water purchased | No current violation flagged |
| Burlington Water DeptMA3048000 | 25,864 | Surface water | No current violation flagged |
| Dracut Water Supply DistrictMA3079000 | 25,808 | Surface water purchased | No current violation flagged |
| Easton Water DivMA4088000 | 25,058 | Ground water | No current violation flagged |
| Dartmouth Water DivisionMA4072000 | 24,696 | Surface water purchased | No current violation flagged |
| Walpole Water DeptMA4307000 | 24,070 | Ground water | No current violation flagged |
| Oak Bluffs Water DistrictMA4221000 | 24,000 | Ground water | No current violation flagged |
| Stoneham Water Dept (Mwra Supply)MA3284000 | 23,244 | Surface water purchased | No current violation flagged |
| Sandwich Water DistrictMA4261000 | 23,000 | Ground water | No current violation flagged |
| Winchester Water DeptMA3344000 | 22,970 | Surface water | No current violation flagged |
| Canton Water DeptMA4050000 | 22,766 | Surface water purchased | Current monitoring/reporting flag |
| Bourne Water DistrictMA4036000 | 22,500 | Ground water | No current violation flagged |
| Provincetown Water DepartmentMA4242000 | 22,250 | Ground water | No current violation flagged |
| Mansfield Water DivisionMA4167000 | 21,797 | Ground water | No current violation flagged |
| Wilmington Water DeptMA3342000 | 21,654 | Surface water purchased | Current monitoring/reporting flag |
| Westborough Water DepartmentMA2328000 | 21,567 | Surface water | No current violation flagged |
| Gardner Water DepartmentMA2103000 | 21,381 | Surface water | No current violation flagged |
| Acton Water Supply DistrictMA2002000 | 21,285 | Groundwater under influence of surface water | No current violation flagged |
| Marblehead Water Dept. (Mwra)MA3168000 | 20,441 | Surface water purchased | No current violation flagged |
| Newburyport Water DepartmentMA3206000 | 20,335 | Surface water | Current monitoring/reporting flag |
| Wareham Fire DistrictMA4310000 | 20,102 | Ground water | No current violation flagged |
| Hudson Water SupplyMA2141000 | 20,032 | Surface water | No current violation flagged |
| Southbridge Water DepartmentMA2278000 | 19,562 | Surface water | No current violation flagged |
| Winthrop Water Division, (Mwra)MA3346000 | 19,316 | Surface water purchased | Current monitoring/reporting flag |
| Scituate Water DivisionMA4264000 | 19,297 | Surface water | Current monitoring/reporting flag |
| Norton Water DepartmentMA4218000 | 19,161 | Ground water | Current monitoring/reporting flag |
| Westford Water DepartmentMA3330000 | 18,848 | Groundwater under influence of surface water | Current monitoring/reporting flag |
| Ashland Water And Sewer Dept.MA3014000 | 18,832 | Ground water | Current monitoring/reporting flag |
| Concord Water DeptMA3067000 | 18,788 | Surface water | Current monitoring/reporting flag |
| Foxboro Water DepartmentMA4099000 | 18,721 | Ground water | No current violation flagged |
| Sudbury Water DistrictMA3288000 | 18,416 | Ground water | Current health-based flag |
| Somerset Water DepartmentMA4273000 | 18,303 | Surface water | No current violation flagged |
| Pembroke Water Division DpwMA4231000 | 18,175 | Ground water | No current violation flagged |
| Holden Water Division, DpwMA2134000 | 18,016 | Surface water purchased | No current violation flagged |
| Webster Water DepartmentMA2316000 | 17,776 | Ground water | No current violation flagged |
| Greenfield Water DepartmentMA1114000 | 17,768 | Surface water | No current violation flagged |
| Orleans Water DepartmentMA4224000 | 17,460 | Ground water | No current violation flagged |
| Swansea Water DistrictMA4292000 | 17,375 | Surface water | No current violation flagged |
| Amesbury Dpw Water Div.MA3007000 | 17,366 | Surface water | Current monitoring/reporting flag |
| Sharon Water DeptMA4266000 | 16,846 | Ground water | No current violation flagged |
| Bellingham Dpw Water Sewer DivisionMA2025000 | 16,556 | Ground water | No current violation flagged |
| Duxbury Water DepartmentMA4082000 | 16,387 | Ground water | No current violation flagged |
| North Reading Water Dept.MA3213000 | 16,379 | Surface water purchased | Current monitoring/reporting flag |
| East Longmeadow Dpw Water DeptMA1085000 | 16,358 | Surface water purchased | No current violation flagged |
| Easthampton Water DeptMA1087000 | 16,211 | Ground water | No current violation flagged |
| Longmeadow Water DeptMA1159000 | 15,853 | Surface water purchased | Current monitoring/reporting flag |
| Clinton Water DeptMA2064000 | 15,428 | Surface water | No current violation flagged |
| Middleborough Water SupplyMA4182000 | 15,350 | Ground water | No current violation flagged |
| Swampscott Water Dept. (Mwra)MA3291000 | 15,300 | Surface water purchased | No current violation flagged |
| Fairhaven Water DeptMA4094000 | 15,155 | Ground water | No current violation flagged |
| Holliston Water DepartmentMA2136000 | 15,139 | Ground water | Current monitoring/reporting flag |
| Hanover Water DeptMA4122000 | 14,984 | Groundwater under influence of surface water | No current violation flagged |
| Bedford Water Dept.MA3023000 | 14,955 | Surface water purchased | No current violation flagged |
| Whitman Water SystemMA4338000 | 14,947 | Surface water purchased | Current monitoring/reporting flag |
| South Hadley Fd #1 (Mwra)MA1275000 | 14,800 | Surface water purchased | No current violation flagged |
| Kingston Water DepartmentMA4145000 | 14,715 | Ground water | No current violation flagged |
| East Bridgewater Water DeptMA4083000 | 14,526 | Ground water | Current monitoring/reporting flag |
| Medway Water DepartmentMA2177000 | 14,176 | Ground water | No current violation flagged |
| Wayland Water DepartmentMA3315000 | 14,096 | Ground water | Current monitoring/reporting flag |
| Seekonk Water DistrictMA4265000 | 13,801 | Ground water | No current violation flagged |
| Northborough Water Department (Mwra)MA2215000 | 13,551 | Surface water purchased | No current violation flagged |
| Ipswich Dpu Water DeptMA3144000 | 13,138 | Surface water | Current monitoring/reporting flag |
| North Adams Water DeptMA1209000 | 13,000 | Surface water | No current violation flagged |
| Medfield Water Dept.MA2175000 | 12,713 | Ground water | No current violation flagged |
| Hopkinton Water DepartmentMA2139000 | 12,680 | Ground water | No current violation flagged |
| Auburn Water DistrictMA2017000 | 12,255 | Surface water purchased | No current violation flagged |
| Wrentham Water DivisionMA4350000 | 12,190 | Ground water | No current violation flagged |
| Hanscom AfbMA3023002 | 11,789 | Surface water purchased | No current violation flagged |
| Uxbridge Dpw, Water DivisionMA2304000 | 11,612 | Ground water | No current violation flagged |
| Norwell Water DepartmentMA4219000 | 11,495 | Ground water | Current monitoring/reporting flag |
| Holbrook Public Works DeptMA4133000 | 11,405 | Surface water purchased | Current monitoring/reporting flag |
| Ash/Win Joint Water AuthorityMA2011004 | 11,394 | Surface water | No current violation flagged |
| Weston Water Dept.MA3333000 | 11,391 | Surface water purchased | No current violation flagged |
| Aquarion Water Company, MillburyMA2186000 | 11,368 | Surface water purchased | Current monitoring/reporting flag |
| Raynham Center Water DistrictMA4245000 | 10,964 | Ground water | No current violation flagged |
| Grafton Water DistrictMA2110000 | 10,925 | Ground water | No current violation flagged |
| Southborough Dpw Water Division (Mwra)MA2277000 | 10,638 | Surface water purchased | No current violation flagged |
| Maynard Dpw, Water DivisionMA2174000 | 10,616 | Ground water | No current violation flagged |
| Athol Dpw Water DivisionMA1015000 | 10,587 | Ground water | No current violation flagged |
| Ware Water DeptMA1309000 | 10,066 | Ground water | No current violation flagged |
| Rockport Water DeptMA3252000 | 10,000 | Surface water | No current violation flagged |
| Lenox Dpw Water DivisionMA1152000 | 9,800 | Surface water | No current violation flagged |
| Kenwood Water DistrictMA3079001 | 9,620 | Surface water purchased | Current monitoring/reporting flag |
| Hanson Water DepartmentMA4123000 | 9,612 | Surface water purchased | No current violation flagged |
| Aquarion Water Company, PinehillsMA4239055 | 9,478 | Ground water | No current violation flagged |
| Blackstone Water DepartmentMA2032000 | 9,463 | Ground water | No current violation flagged |
| Salisbury Water DivisionMA3259000 | 9,334 | Ground water | Current monitoring/reporting flag |
| Littleton Water DepartmentMA2158000 | 9,307 | Ground water | No current violation flagged |
| Pepperell Dpw Water DivisionMA2232000 | 9,217 | Ground water | No current violation flagged |
| Millis Water DeptMA2187000 | 9,055 | Ground water | No current violation flagged |
| Plainville Water DepartmentMA4238000 | 8,805 | Groundwater under influence of surface water | No current violation flagged |
| Georgetown Water DepartmentMA3105000 | 8,766 | Ground water | Current monitoring/reporting flag |
| Wilbraham Water Dept (Mwra)MA1339000 | 8,533 | Surface water purchased | No current violation flagged |
| Lynnfield Center Water DistrictMA3164000 | 8,525 | Surface water purchased | Current monitoring/reporting flag |
| Ayer Dpw Water DivisionMA2019000 | 8,479 | Ground water | No current violation flagged |
| Acushnet Water DepartmentMA4003000 | 8,430 | Surface water purchased | No current violation flagged |
| Northbridge Water DivisionMA2216006 | 8,127 | Purchased ground water under influence of surface water source | No current violation flagged |
| Turners Falls Water DeptMA1192000 | 8,080 | Ground water | No current violation flagged |
| Edgartown Water DepartmentMA4089000 | 8,027 | Ground water | No current violation flagged |
| Adams Fire DistrictMA1004000 | 7,945 | Ground water | No current violation flagged |
| Whitinsville Water CompanyMA2216000 | 7,899 | Groundwater under influence of surface water | No current violation flagged |
| West Bridgewater Water DeptMA4322000 | 7,709 | Ground water | No current violation flagged |
| Buzzards Bay Water DistrictMA4036001 | 7,700 | Ground water | No current violation flagged |
| Mattapoisett Water DepartmentMA4173000 | 7,685 | Ground water | No current violation flagged |
| Hamilton Water DeptMA3119000 | 7,674 | Ground water | No current violation flagged |
| Southwick Water DeptMA1279000 | 7,669 | Surface water purchased | No current violation flagged |
| North Chelmsford Water DistMA3056002 | 7,660 | Ground water | Current monitoring/reporting flag |
| Norfolk Water DivisionMA2208000 | 7,602 | Ground water | No current violation flagged |
| Halifax Water DepartmentMA4118000 | 7,575 | Surface water purchased | No current violation flagged |
| Cohasset Water DeptMA4065000 | 7,555 | Surface water | No current violation flagged |
| Aquarion Water Company OxfordMA2226000 | 7,384 | Ground water | No current violation flagged |
| Williamstown Water DeptMA1341000 | 7,326 | Ground water | Current monitoring/reporting flag |
| Middleton Water Dept.MA3184000 | 7,291 | Surface water purchased | Current monitoring/reporting flag |
| Lunenburg Water DistrictMA2162000 | 7,219 | Ground water | No current violation flagged |
| Spencer Water DepartmentMA2280000 | 7,037 | Ground water | No current violation flagged |
| Merrimac Water DepartmentMA3180000 | 6,988 | Ground water | Current monitoring/reporting flag |
| West Boylston Water DistrictMA2321000 | 6,919 | Surface water purchased | No current violation flagged |
| Townsend Water DepartmentMA2299000 | 6,832 | Ground water | No current violation flagged |
| Sterling Water DepartmentMA2282000 | 6,715 | Ground water | Current monitoring/reporting flag |
| Orange Water DeptMA1223000 | 6,526 | Surface water purchased | No current violation flagged |
| Groveland Water DepartmentMA3116000 | 6,508 | Ground water | No current violation flagged |
| Devens MassdevelopmentMA2019001 | 6,500 | Ground water | No current violation flagged |
| Dalton Fire DistrictMA1070000 | 6,330 | Surface water purchased | No current violation flagged |
| South Hadley Fire District #2 Water DeptMA1275001 | 6,200 | Ground water | No current violation flagged |
| Town Of EasthamMA4086095 | 6,199 | Ground water | No current violation flagged |
| Rowley Water DepartmentMA3254000 | 6,161 | Ground water | Current monitoring/reporting flag |
| Templeton Munic. Light And Water PlantMA2294000 | 6,159 | Ground water | No current violation flagged |
| Marion Water DivisionMA4169000 | 6,119 | Ground water | No current violation flagged |
| Tisbury Water WorksMA4296000 | 6,082 | Ground water | Current monitoring/reporting flag |
| Rutland Water DepartmentMA2257000 | 6,025 | Surface water | No current violation flagged |
| Hopedale Water DepartmentMA2138000 | 6,017 | Surface water purchased | No current violation flagged |
| Lancaster Water DepartmentMA2147000 | 6,000 | Ground water | No current violation flagged |
| Otis Air National Guard BaseMA4096001 | 6,000 | Ground water | Current health-based flag |
| Winchendon Water DepartmentMA2343000 | 5,706 | Surface water purchased | No current violation flagged |
| Lee Water DeptMA1150000 | 5,686 | Surface water | Current monitoring/reporting flag |
| Lincoln Water DeptMA3157000 | 5,593 | Surface water | No current violation flagged |
| Dudley Water DepartmentMA2080000 | 5,515 | Ground water | No current violation flagged |
| Groton Water DepartmentMA2115000 | 5,456 | Ground water | No current violation flagged |
| Topsfield Water DepartmentMA3298000 | 5,435 | Ground water | Current monitoring/reporting flag |
| Barnstable Fire DistrictMA4020000 | 5,400 | Ground water | No current violation flagged |
| Onset Fire Districtwater Dept.MA4310003 | 5,392 | Ground water | No current violation flagged |
| Dighton Water DistrictMA4076000 | 5,280 | Surface water purchased | No current violation flagged |
| Manchester By The Sea DpwMA3166000 | 5,201 | Surface water | Current monitoring/reporting flag |
| Cotuit Fire District Water DepartmentMA4020003 | 4,938 | Ground water | No current violation flagged |
| Southampton Water DeptMA1276000 | 4,853 | Purchased ground water under influence of surface water source | No current violation flagged |
| Lynnfield Water Dist. (Mwra)MA3164001 | 4,820 | Surface water purchased | No current violation flagged |
| Hadley Dpw Water DivisionMA1117002 | 4,819 | Ground water | Current monitoring/reporting flag |
| Palmer Water District No.1MA1227000 | 4,789 | Surface water | No current violation flagged |
| Town Of AvonMA4018000 | 4,777 | Ground water | No current violation flagged |
| Sturbridge Water DepartmentMA2287000 | 4,746 | Groundwater under influence of surface water | No current violation flagged |
| West Newbury Water DepartmentMA3324000 | 4,704 | Surface water purchased | Other current violation flag |
| North Sagamore Water DistrictMA4036002 | 4,668 | Ground water | No current violation flagged |
| Upton Dpw Water/Wastewater DivisionMA2303000 | 4,420 | Ground water | Current monitoring/reporting flag |
| Tyngsborough Water DistrictMA3301000 | 4,416 | Surface water purchased | No current violation flagged |
| Douglas Water DepartmentMA2077000 | 4,400 | Ground water | No current violation flagged |
| Great Barrington Fire DistMA1113000 | 4,380 | Ground water | No current violation flagged |
| Paxton Water DepartmentMA2228000 | 4,300 | Surface water purchased | No current violation flagged |
| Monson Water And Sewer DeptMA1191000 | 4,222 | Ground water | No current violation flagged |
| Shirley Water DistrictMA2270000 | 4,165 | Ground water | Other current violation flag |
| Wenham Water Dept.MA3320000 | 3,942 | Ground water | No current violation flagged |
| North Raynham Water DistrictMA4245002 | 3,902 | Ground water | No current violation flagged |
| Westminster Department Of Public WorksMA2332000 | 3,889 | Surface water purchased | No current violation flagged |
| North Brookfield Water DepartmentMA2212000 | 3,863 | Surface water | No current violation flagged |
| South Deerfield Water Supply DistrictMA1074001 | 3,800 | Surface water | No current violation flagged |
| Cherry Valley/ Rochdale Water DistrictMA2151001 | 3,696 | Surface water purchased | Other current violation flag |
| Ashburnham Water DepartmentMA2011000 | 3,680 | Surface water purchased | No current violation flagged |
| Essex Water Dept.MA3092000 | 3,675 | Ground water | No current violation flagged |
| Mci ShirleyMA2270001 | 3,500 | Ground water | No current violation flagged |
| Boylston Water DistrictMA2039000 | 3,343 | Ground water | No current violation flagged |
| Nahant Water Dept. (Mwra)MA3196000 | 3,334 | Surface water purchased | Current monitoring/reporting flag |
| South Grafton Water DistrictMA2110001 | 3,262 | Groundwater under influence of surface water | Current monitoring/reporting flag |
| Three Rivers Fire DistrictMA1227003 | 3,258 | Ground water | Current monitoring/reporting flag |
| Belchertown Water DistrictMA1024000 | 3,253 | Ground water | No current violation flagged |
| West Brookfield Water DepartmentMA2323000 | 3,217 | Ground water | No current violation flagged |
| Leicester Water Supply DistrictMA2151000 | 3,200 | Surface water purchased | No current violation flagged |
| Sunderland Water DistrictMA1289000 | 3,190 | Ground water | No current violation flagged |
| Hatfield Water DeptMA1127000 | 3,164 | Surface water | Other current violation flag |
| Hanscom Family Housing (Landings)MA3157001 | 3,067 | Surface water purchased | Current monitoring/reporting flag |
| Siasconset Water DepartmentMA4197001 | 3,000 | Ground water | Other current violation flag |
| Wellesley CollegeMA3317001 | 3,000 | Ground water | Current monitoring/reporting flag |
| Mci BridgewaterMA4042001 | 2,802 | Surface water purchased | No current violation flagged |
| East Chelmsford Water DistrictMA3056001 | 2,800 | Surface water purchased | Current monitoring/reporting flag |
| Stockbridge Water DeptMA1283003 | 2,800 | Surface water | No current violation flagged |
| Wilkinsonville Water DistrictMA2290014 | 2,773 | Ground water | No current violation flagged |
| Barre Water DepartmentMA2021000 | 2,610 | Ground water | No current violation flagged |
| Tewksbury HospitalMA3295001 | 2,500 | Ground water | No current violation flagged |
02 / CITY REPORTS
Massachusetts city water-system reports
Massachusetts has 171 city reports meeting the publication threshold for covered systems or reported population served.
Barnstable4 systemsBourne3 systemsChelmsford3 systemsAshburnham2 systemsAyer2 systemsBedford2 systemsBeverly2 systemsBoston2 systemsBridgewater2 systemsDighton2 systemsDracut2 systemsFalmouth2 systemsGrafton2 systemsLeicester2 systemsLincoln2 systemsLynnfield2 systemsMattapoisett2 systemsNantucket2 systemsNorthbridge2 systemsPalmer2 systemsPlymouth2 systemsRandolph2 systemsRaynham2 systemsSandwich2 systemsShirley2 systemsSouth Hadley2 systemsTewksbury2 systemsWareham2 systemsWellesley2 systemsAbington1 systemsActon1 systemsAgawam1 systemsAmesbury1 systemsAmherst1 systemsAndover1 systemsArlington1 systemsAshland1 systemsAthol1 systemsAttleboro1 systemsAuburn1 systemsBellingham1 systemsBelmont1 systemsBillerica1 systemsBraintree1 systemsBrewster1 systemsBrockton1 systemsBrookline1 systemsBurlington1 systemsCambridge1 systemsCanton1 systemsChatham1 systemsChelsea1 systemsChicopee1 systemsClinton1 systemsConcord1 systemsDanvers1 systemsDartmouth1 systemsDedham1 systemsDennis1 systemsDuxbury1 systemsEast Bridgewater1 systemsEast Longmeadow1 systemsEasthampton1 systemsEaston1 systemsEverett1 systemsFairhaven1 systemsFall River1 systemsFitchburg1 systemsFoxborough1 systemsFramingham1 systemsFranklin1 systemsGardner1 systemsGloucester1 systemsGreenfield1 systemsHanover1 systemsHarwich1 systemsHaverhill1 systemsHingham1 systemsHolbrook1 systemsHolden1 systemsHolliston1 systemsHolyoke1 systemsHopkinton1 systemsHudson1 systemsIpswich1 systemsKingston1 systemsLawrence1 systemsLeominster1 systemsLexington1 systemsLongmeadow1 systemsLowell1 systemsLynn1 systemsMalden1 systemsMansfield1 systemsMarblehead1 systemsMarlborough1 systemsMarshfield1 systemsMashpee1 systemsMaynard1 systemsMedfield1 systemsMedford1 systemsMedway1 systemsMelrose1 systemsMethuen1 systemsMiddleborough1 systemsMilford1 systemsMillbury1 systemsMilton1 systemsNatick1 systemsNeedham1 systemsNew Bedford1 systemsNewburyport1 systemsNewton1 systemsNorth Adams1 systemsNorth Andover1 systemsNorth Attleborough1 systemsNorth Reading1 systemsNorthampton1 systemsNorthborough1 systemsNorton1 systemsNorwell1 systemsNorwood1 systemsOak Bluffs1 systemsOrleans1 systemsPeabody1 systemsPembroke1 systemsPittsfield1 systemsProvincetown1 systemsQuincy1 systemsReading1 systemsRevere1 systemsRockport1 systemsSalem1 systemsSaugus1 systemsScituate1 systemsSeekonk1 systemsSharon1 systemsShrewsbury1 systemsSomerset1 systemsSomerville1 systemsSouthborough1 systemsSouthbridge1 systemsSpringfield1 systemsStoneham1 systemsStoughton1 systemsSudbury1 systemsSwampscott1 systemsSwansea1 systemsTaunton1 systemsUxbridge1 systemsWakefield1 systemsWalpole1 systemsWaltham1 systemsWare1 systemsWatertown1 systemsWayland1 systemsWebster1 systemsWest Springfield1 systemsWestborough1 systemsWestfield1 systemsWestford1 systemsWeston1 systemsWeymouth1 systemsWhitman1 systemsWilmington1 systemsWinchester1 systemsWinthrop1 systemsWoburn1 systemsWorcester1 systemsWrentham1 systemsYarmouth1 systems
03 / COUNTY REPORTS
Massachusetts county water-system reports
Massachusetts has 14 county reports meeting the publication threshold for covered systems or reported population served.