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EWG's Tap Water Database — 2021 UPDATE

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Utility name City People served
Abington/rockland Joint Water Works Rockland Population served: 33,887
Acton Water Supply District Acton Population served: 20,890
Agawam Water Department Agawam Population served: 28,849
Amesbury DPW Water Div. Amesbury Population served: 16,283
Amherst DPW Water Division Amherst Population served: 37,819
Andover Water Department Andover Population served: 33,201
Arlington Water Department (MWRA) Arlington Population served: 42,844
Ashland Water and Sewer Department Ashland Population served: 16,593
Athol DPW Water Division Athol Population served: 10,172
Attleboro Water Department Attleboro Population served: 43,593
Auburn Water District Auburn Population served: 11,763
Bedford Water Department (MWRA) Bedford Population served: 13,691
Bellingham Dpw Water Sewer Div. Bellingham Population served: 15,390
Belmont Water Department (MWRA) Belmont Population served: 24,254
Beverly Water Department Beverly Population served: 43,316
Billerica Water Works Billerica Population served: 40,243
Boston Water and Sewer Commission (MWRA) Boston Population served: 617,594
Bourne Water District Pocasset Population served: 22,500
Braintree Water and Sewer Department Braintree Population served: 37,544
Brewster Water Department Brewster Population served: 35,000
Bridgewater Water Department Bridgewater Population served: 26,563
Brockton Water Commission Brockton Population served: 93,810
Brookline Water And Sewer Div. (MWRA) Brookline Population served: 58,732
Burlington Water Department Burlington Population served: 25,392
Cambridge Water Department (MWRA) Cambridge Population served: 105,162
Canton Water Department (MWRA) Canton Population served: 21,458
Centerville Osterville Marstons Mills WD Osterville Population served: 50,000
Chatham Water Department Chatham Population served: 30,000
Chelmsford Water District Chelmsford Population served: 28,079
Chelsea Water Department (MWRA) Chelsea Population served: 35,177
Chicopee Water Department (MWRA) Chicopee Population served: 55,144
Clinton Water Department (MWRA) Clinton Population served: 13,606
Concord Water Department Concord Population served: 16,402
Danvers Water Department Middleton Population served: 26,493
Dartmouth Water Division Dartmouth Population served: 24,272
Dedham Westwood Water District Dedham Population served: 42,581
Dennis Water District South Dennis Population served: 65,000
Dracut Water Supply District Dracut Population served: 25,741
Duxbury Water Department Duxbury Population served: 16,445
East Bridgewater Water Department East Bridgewater Population served: 13,794
East Longmeadow DPW Water Department East Longmeadow Population served: 16,162
Easthampton Water Department Easthampton Population served: 16,053
Easton Water Div Easton Population served: 23,112
Everett Water Department (MWRA) Everett Population served: 42,101
Fairhaven Water Department Fairhaven Population served: 15,792
Fall River Water Department Fall River Population served: 88,857
Falmouth Water Department Falmouth Population served: 77,500
Fitchburg Dpw, Div. of Water Supply Fitchburg Population served: 40,545
Foxboro Water Department Foxborough Population served: 16,924
Framingham Water Department (MWRA) Framingham Population served: 68,318
Franklin Water Department Franklin Population served: 32,445
Gardner Water Department Gardner Population served: 19,314
Gloucester DPW Water Department Gloucester Population served: 37,715
Grafton Water District Grafton Population served: 10,703
Greenfield Water Department Greenfield Population served: 17,645
Hanover Water Department Hanover Population served: 14,899
Hanscom AFB Hanscom AFB Population served: 11,799
Harwich Water Department East Harwich Population served: 38,643
Haverhill Water Department Haverhill Population served: 57,311
Hingham/Hull - Aquarion Water Company Hingham Population served: 41,082
Holbrook Public Works Department Holbrook Population served: 10,791
Holden Water Division, DPW Holden Population served: 17,106
Holliston Water Department Holliston Population served: 14,946
Holyoke Water Works Holyoke Population served: 40,124
Hudson Water Supply Hudson Population served: 18,406
Hyannis Water System Hyannis Population served: 35,000
Ipswich DPU Water Department Ipswich Population served: 13,127
Kingston Water Department Kingston Population served: 13,720
Lawrence Water Works Lawrence Population served: 76,377
Leominster Water Division (MWRA) Leominster Population served: 40,490
Lexington Water Department (MWRA) Lexington Population served: 32,271
Longmeadow Water Department Longmeadow Population served: 15,701
Lowell Regional Water Utility Lowell Population served: 106,519
Lynn Water and Sewer Commission (MWRA) Lynn Population served: 90,329
Malden Water Division (MWRA) Malden Population served: 59,450
Mansfield Water Division Mansfield Population served: 23,380
Marblehead Water Department (MWRA) Marblehead Population served: 19,432
Marlborough DPW Water Div. (MWRA) Marlborough Population served: 38,499
Marshfield Water Department Marshfield Population served: 34,000
Mashpee Water District Mashpee Population served: 34,681
Maynard DPW, Water Division Maynard Population served: 10,665
Medfield Water Department Medfield Population served: 12,595
Medford Water Department (MWRA) Medford Population served: 57,000
Melrose Water Department (MWRA) Melrose Population served: 28,367
Methuen Water Department Methuen Population served: 50,259
Middleborough Water Supply Middleborough Population served: 16,470
Milford Water Company Milford Population served: 27,999
Milton Water Department (MWRA) Milton Population served: 27,003
Natick Water Department Natick Population served: 36,137
Needham Water Department (MWRA) Needham Population served: 32,485
New Bedford Department of Public Infrastructure New Bedford Population served: 95,072
Newburyport Water Department Newburyport Population served: 20,335
Newton Water Department (MWRA) Newton Population served: 89,045
North Adams Water Department North Adams Population served: 13,000
North Andover Water Department North Andover Population served: 27,500
North Attleboro Water Department North Attleborough Population served: 28,712
North Reading Water Department North Reading Population served: 15,500
Northampton Water Department Northampton Population served: 28,548
Northborough Water Department (mwra) Northborough Population served: 11,490
Norton Water Department Norton Population served: 19,031
Norwell Water Department Norwell Population served: 11,258
Norwood Water Department (MWRA) Norwood Population served: 26,789
Oak Bluffs Water District Oak Bluffs Population served: 22,452
Orleans Water Department Orleans Population served: 17,670
Peabody Water Department (MWRA) Peabody Population served: 52,474
Pembroke Water Division Dpw Pembroke Population served: 19,189
Pittsfield DPU Water Department Pittsfield Population served: 44,737
Plymouth Water Department Plymouth Population served: 41,499
Provincetown Water Department Provincetown Population served: 22,250
Quincy Water Department (MWRA) Quincy Population served: 96,329
Randolph Water Department Randolph Population served: 33,375
Reading Water Department Reading Population served: 27,045
Revere Water Department (MWRA) Revere Population served: 51,755
Salem Water Department Salem Population served: 42,869
Salisbury Water Department Salisbury Population served: 20,000
Sandwich Water District Sandwich Population served: 23,000
Saugus Water Department (MWRA) Saugus Population served: 24,703
Scituate Water Division Scituate Population served: 19,688
Seekonk Water District Seekonk Population served: 13,627
Sharon Water Department Sharon Population served: 17,232
Shrewsbury Water Department Shrewsbury Population served: 35,608
Somerset Water Department Somerset Population served: 18,257
Somerville Water Department (MWRA) Somerville Population served: 81,322
South Hadley FD #1 (MWRA) South Hadley Population served: 14,000
Southborough DPW Water Division (MWRA) Southborough Population served: 10,401
Southbridge Water Department Southbridge Population served: 15,287
Springfield Water and Sewer Commission Springfield Population served: 230,331
Stoneham Water Department (MWRA Supply) Stoneham Population served: 21,437
Stoughton Water Department (MWRA) Stoughton Population served: 26,962
Sudbury Water District Sudbury Population served: 18,410
Swampscott Water Department (MWRA) Swampscott Population served: 13,787
Swansea Water District Swansea Population served: 17,358
Taunton Water Division Taunton Population served: 58,088
Tewksbury Water Department Tewksbury Population served: 30,435
Uxbridge DPW Water Division Uxbridge Population served: 10,715
Wakefield Water Department (MWRA) Wakefield Population served: 24,932
Walpole Water Department Walpole Population served: 23,989
Waltham Water Department (MWRA) Waltham Population served: 60,630
Wannacomet Water Company Nantucket Population served: 27,703
Wareham Fire District Wareham Population served: 20,830
Watertown Water Department (MWRA) Watertown Population served: 31,915
Wayland Water Department Wayland Population served: 14,430
Webster Water Department Webster Population served: 16,767
Wellesley Water Division (MWRA) Wellesley Population served: 29,100
West Springfield Dpw Water Division West Springfield Population served: 28,391
Westborough Water Department Westborough Population served: 18,272
Westfield Water Department Westfield Population served: 42,000
Westford Water Department Westford Population served: 18,000
Weston Water Department (MWRA) Weston Population served: 11,486
Weymouth Water Department Weymouth Population served: 53,925
Whitman Water System Whitman Population served: 14,574
Wilmington Water Department Wilmington Population served: 22,325
Winchester Water Department (MWRA) Winchester Population served: 22,800
Winthrop Water Division, (MWRA) Winthrop Population served: 17,497
Woburn Water Department (MWRA) Woburn Population served: 38,120
Worcester Department of Public Works Worcester Population served: 181,045
Wrentham Water Division Wrentham Population served: 11,686
Yarmouth Water Department West Yarmouth Population served: 39,635