Massachusetts

523 Utilities
Serving: 6,717,000
Data available: 2012-2017
Contaminants Found: 103

EWG's drinking water quality report for Massachusetts shows results of tests conducted by the water utilities in Massachusetts and provided to EWG by the Massachusetts Department of Environmental Protection.

LARGE UTILITIES

ALL UTILITIES WITH VIOLATIONS

LARGE UTILITIES WITH VIOLATIONS

Below are utilities in Massachusetts serving over 10,000 people, listed alphabetically. Click the "more" button below to get the full list of utilities serving over 10,000 people.

Large utilities in Massachusetts

Utility	Location	People Served
Abington/rockland Joint Water Works	Rockland, MA	33,825
Acton Water Supply District	Acton, MA	21,408
Agawam Water Department	Agawam, MA	28,839
Amesbury DPW Water Div.	Amesbury, MA	16,283
Amherst DPW Water Division	Amherst, MA	37,819
Andover Water Department	Andover, MA	33,201
Arlington Water Department (MWRA)	Arlington, MA	42,844
Ashland Water and Sewer Department	Ashland, MA	16,593
Athol DPW Water Division	Athol, MA	10,143
Attleboro Water Department	Attleboro, MA	43,593
Auburn Water District	Auburn, MA	11,763
Bedford Water Department (MWRA)	Bedford, MA	14,020
Bellingham Dpw Water Sewer Div.	Bellingham, MA	15,200
Belmont Water Department (MWRA)	Belmont, MA	24,254
Beverly Water Department	Beverly, MA	43,316
Billerica Water Works	Billerica, MA	40,243
Boston Water and Sewer Commission (MWRA)	Boston, MA	617,594
Bourne Water District	Pocasset, MA	22,500
Braintree Water and Sewer Department	Braintree, MA	35,744
Brewster Water Department	Brewster, MA	35,000
Bridgewater Water Department	Bridgewater, MA	26,563
Brockton Water Commission	Brockton, MA	93,810
Brookline Water And Sewer Div. (MWRA)	Brookline, MA	58,732
Burlington Water Department	Burlington, MA	25,307
Cambridge Water Department (MWRA)	Cambridge, MA	105,162
Canton Water Department (MWRA)	Canton, MA	21,443
Centerville Osterville Marstons Mills WD	Osterville, MA	50,000
Chatham Water Department	Chatham, MA	30,000
Chelmsford Water District	Chelmsford, MA	27,042
Chelsea Water Department (MWRA)	Chelsea, MA	35,177

Utilities that accumulated/accrued the most violation points as of April 2016 to March 2019 in Massachusetts

The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) database collects compliance and enforcement-related information for drinking water utilities nationwide. ECHO water quality violation scores take into account federal health-based water quality standards, as well as monitoring, reporting and other drinking water quality requirements. Points are accrued based on specific problems at the utility - violations of health-based drinking water standards receive more points than monitoring and reporting violations - and the length of time until the violations were corrected.

Utility	Location	People Served	Violation Points
Bellingham Dpw Water Sewer Div.	Bellingham, MA	15,200	46
Swansea Water District	Swansea, MA	17,358	36
Plainville Water Department	Plainville, MA	8,803	31
Cherry Valley/ Rochdale Water District	Leicester, MA	3,255	30
Maynard DPW, Water Division	Maynard, MA	10,314	26
Bedford Water Department (MWRA)	Bedford, MA	14,020	25
Brookfield Meadows Mobile Home Park	Brookfield, MA	120	24
Hanscom AFB	Hanscom Afb, MA	11,799	21
Russell Water Department	Russell, MA	1,228	21
Wheelwright Water District	Hardwick, MA	300	19
North Adams Water Department	North Adams, MA	13,000	17
White Pines Condominiums	Stockbridge, MA	225	17
Massasoit Hills Trailer Park	Wellfleet, MA	120	17
Hanover Water Department	Hanover, MA	14,406	17
West Boylston Water District	West Boylston, MA	7,194	15
Chatham Water Department	Chatham, MA	30,000	15
Greylock Estates Homeowners Association	Lanesborough, MA	25	15
Springdale Farms Water Supply Trust	Dover, MA	130	14
Westport Senior Village	Westport, MA	150	13
Williamsburg Water Department	Haydenville, MA	1,580	13
Holliston Water Department	Holliston, MA	14,946	13
Housatonic Water Works	Great Barrington, MA	1,391	13
Auburn Water District	Auburn, MA	11,763	13
Bernardston Fire Water District	Bernardston, MA	1,475	13
Greenfield Water Department	Greenfield, MA	17,645	12
Amherst DPW Water Division	Amherst, MA	37,819	12
Bolton Country Manor	Bolton, MA	60	12
Ashfield Water District	Ashfield, MA	400	11
Town of Avon	Avon, MA	4,292	11
Leominster Water Division (MWRA)	Leominster, MA	40,490	11

Large utilities that accumulated/accrued the most violation points as of April 2016 to March 2019 in Massachusetts

Utility	Location	People Served	Violation Points
Bellingham Dpw Water Sewer Div.	Bellingham, MA	15,200	46
Swansea Water District	Swansea, MA	17,358	36
Maynard DPW, Water Division	Maynard, MA	10,314	26
Bedford Water Department (MWRA)	Bedford, MA	14,020	25
Hanscom AFB	Hanscom Afb, MA	11,799	21
Hanover Water Department	Hanover, MA	14,406	17
North Adams Water Department	North Adams, MA	13,000	17
Chatham Water Department	Chatham, MA	30,000	15
Auburn Water District	Auburn, MA	11,763	13
Holliston Water Department	Holliston, MA	14,946	13
Amherst DPW Water Division	Amherst, MA	37,819	12
Greenfield Water Department	Greenfield, MA	17,645	12
Leominster Water Division (MWRA)	Leominster, MA	40,490	11
Scituate Water Division	Scituate, MA	19,018	10
Brockton Water Commission	Brockton, MA	93,810	10
Medfield Water Department	Medfield, MA	12,611	10
Athol DPW Water Division	Athol, MA	10,143	6
Holden Water Division, DPW	Holden, MA	16,942	6
Medway Water and Sewer Department	Medway, MA	13,259	6
Lawrence Water Works	Lawrence, MA	76,377	5
Oak Bluffs Water District	Oak Bluffs, MA	22,452	2
Plymouth Water Department	Plymouth, MA	40,362	2
Hudson Water Supply	Hudson, MA	18,954	2
Taunton Water Division	Taunton, MA	58,327	1
Ashland Water and Sewer Department	Ashland, MA	16,593	1
Danvers Water Department	Middleton, MA	35,480	1
Ipswich DPU Water Department	Ipswich, MA	13,390	1
Dennis Water District	South Dennis, MA	65,000	1
Webster Water Department	Webster, MA	16,767	1
Wareham Fire District	Wareham, MA	20,748	1

Contaminants found in Massachusetts above health guidelines

	Found above health guidelines			Found
Contaminant	# of Utilities	People Served		# of Utilities	People Served
Total trihalomethanes (TTHMs)		350	6,514,922			356	6,524,878
Chloroform		292	6,233,782			324	6,469,249
Bromodichloromethane		302	6,187,597			304	6,221,897
Haloacetic acids (HAA5)		291	6,185,093			293	6,234,378
Radium, combined (-226 & -228)		448	5,908,312			449	5,908,326
Dibromochloromethane		283	5,662,979			291	5,750,171
Trichloroacetic acid		223	5,242,489			227	5,285,755
Nitrate		382	5,217,020			480	6,391,195
Dichloroacetic acid		220	5,199,500			226	5,345,445
Chromium (hexavalent)		169	4,219,616			190	4,895,009
Dibromoacetic acid		146	2,867,717			149	3,000,608
Bromoform		110	1,849,741			177	2,968,060
Chlorate		34	944,525			179	5,307,349
Manganese		109	898,864			425	6,094,363
Arsenic		83	884,931			83	884,931
Tetrachloroethylene (perchloroethylene)		39	706,300			45	807,974
Chlorite		12	352,897			16	498,472
Bromate		11	279,642			15	316,968
Perfluorooctanoic acid (PFOA)		9	189,256			9	189,256
Perfluorohexane sulfonate (PFHXS)		8	152,582			8	152,582
Perfluorooctane sulfonate (PFOS)		7	147,638			7	147,638
Perfluoroheptanoic acid (PFHPA)		8	147,256			9	189,256
Thallium		7	146,335			7	146,335
1,2-Dichloroethane		4	106,934			4	106,934
Radon		33	106,503			33	106,503
Perfluorobutane sulfonate (PFBS)		5	98,211			6	140,211
Perfluorononanoic acid (PFNA)		4	63,954			4	63,954
Trichloroethylene		4	52,263			8	88,173
1,4-Dioxane		3	25,910			58	1,262,289
Antimony		3	23,805			6	109,507
Vinyl chloride		1	22,282			1	22,282
Uranium		24	10,729			27	31,129
Cadmium		3	8,020			3	8,020
Perchlorate		2	4,489			242	3,052,753
Chlordane		1	4,000			1	4,000
Chloromethane		1	3,058			37	505,208
Polychlorinated biphenyls (PCBs)		1	1,809			1	1,809
Beryllium		1	107			1	107
Atrazine		1	54			2	40,544

Contaminants found in Massachusetts above legal limits

Contaminant	# of Utilities	People Served
Arsenic		1	70
Uranium		1	60

Massachusetts

523 Utilities

Serving: 6,717,000

Data available: 2012-2017

Contaminants Found: 103

Large utilities in Massachusetts

Utilities that accumulated/accrued the most violation points as of April 2016 to March 2019 in Massachusetts

Large utilities that accumulated/accrued the most violation points as of April 2016 to March 2019 in Massachusetts

Contaminants found in Massachusetts above health guidelines

Contaminants found in Massachusetts above legal limits