Massachusetts Water Quality Reports

Comprehensive water quality data for 356 cities across Massachusetts. View EPA-verified contaminant levels and get filter recommendations.

356

Cities

16

Safe

152

Monitor

96

At Risk

14

Limited testing

78

No Test Data

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Massachusetts water quality ranking EPA-certified testing labs Water utilities in Massachusetts

Water Quality by County

Explore aggregated water quality scores across Massachusetts counties. Scores are calculated based on EPA data and weighted by population.

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Data from 264 cities serving 6,209,632 people across 13 counties.

Common Contaminants in Massachusetts

215 cities in Massachusetts have at least one contaminant above EPA health guidelines.

Bromodichloromethane(176 cities)Perfluorooctanoic acid(144 cities)Dichloroacetic Acid (DCA)(143 cities)Perfluorooctanesulfonic acid(112 cities)Bromoform(57 cities)Gross Alpha Activity(19 cities)

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Cities in Massachusetts

Boston

People Served676K

26 results on file

Above Guidelines0

View Report →

Worcester

People Served207K

154 results on file

Above Guidelines4

View Report →

Springfield

People Served169K

96 results on file

Above Guidelines3

View Report →

Cambridge

People Served118K

98 results on file

Above Guidelines5

View Report →

Lowell

People Served116K

169 results on file

Above Guidelines3

View Report →

Brockton

People Served106K

154 results on file

Above Guidelines4

View Report →

Quincy

People Served102K

26 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Lynn

People Served101K

163 results on file

Above Guidelines4

View Report →

New Bedford

People Served101K

107 results on file

Above Guidelines4

View Report →

Falmouth

People Served98K

165 results on file

Above Guidelines3

View Report →

Fall River

People Served94K

163 results on file

Above Guidelines4

View Report →

Newton

People Served89K

81 results on file

Above Guidelines1

View Report →

Somerville

People Served81K

26 results on file

Above Guidelines0

View Report →

Lawrence

People Served80K

154 results on file

Above Guidelines4

View Report →

Framingham

People Served72K

25 results on file

Above Guidelines0

View Report →

Malden

People Served66K

26 results on file

Above Guidelines0

View Report →

Waltham

People Served65K

26 results on file

Above Guidelines0

View Report →

Dennis

People Served65K

95 results on file

Above Guidelines2

View Report →

Brookline

People Served63K

26 results on file

Above Guidelines0

View Report →

Taunton

People Served62K

115 results on file

Above Guidelines3

View Report →

Haverhill

People Served60K

108 results on file

Above Guidelines2

View Report →

Medford

People Served60K

26 results on file

Above Guidelines0

View Report →

Revere

People Served59K

26 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Weymouth Town

People Served56K

156 results on file

Above Guidelines4

View Report →

Weymouth

People Served56K

156 results on file

Above Guidelines4

View Report →

Chicopee

People Served55K

36 results on file

Above Guidelines3

View Report →

Peabody

People Served54K

165 results on file

Above Guidelines4

View Report →

Methuen

People Served53K

98 results on file

Above Guidelines4

View Report →

Barnstable Town

People Served50K

156 results on file

Above Guidelines1

View Report →

Everett

People Served49K

26 results on file

Above Guidelines0

View Report →

Beverly

People Served47K

25 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Attleboro

People Served46K

171 results on file

Above Guidelines4

View Report →

Arlington

People Served46K

25 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Hingham

People Served45K

163 results on file

Above Guidelines4

View Report →

Salem

People Served44K

25 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Plymouth

People Served44K

163 results on file

Above Guidelines5

View Report →

Pittsfield

People Served44K

162 results on file

Above Guidelines4

View Report →

Leominster

People Served44K

158 results on file

Above Guidelines3

View Report →

Billerica

People Served42K

168 results on file

Above Guidelines6

View Report →

Westfield

People Served42K

171 results on file

Above Guidelines1

View Report →

Fitchburg

People Served42K

102 results on file

Above Guidelines4

View Report →

Dedham

People Served42K

166 results on file

Above Guidelines4

View Report →

Woburn

People Served41K

114 results on file

Above Guidelines5

View Report →

Holyoke

People Served40K

162 results on file

Above Guidelines2

View Report →

Chelsea

People Served40K

26 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Amherst Town

People Served39K

167 results on file

Above Guidelines2

View Report →

Amherst

People Served39K

167 results on file

Above Guidelines2

View Report →

Harwich

People Served39K

163 results on file

Above Guidelines0

View Report →

Braintree Town

People Served39K

153 results on file

Above Guidelines5

View Report →

Braintree

People Served39K

153 results on file

Above Guidelines5

View Report →

Marlborough

People Served38K

99 results on file

Above Guidelines2

View Report →

Shrewsbury

People Served38K

164 results on file

Above Guidelines4

View Report →

Gloucester

People Served37K

154 results on file

Above Guidelines3

View Report →

Natick

People Served37K

166 results on file

Above Guidelines6

View Report →

Mashpee

People Served37K

143 results on file

Above Guidelines1

View Report →

Andover

People Served37K

23 results on file

Above Guidelines0

View Report →

Watertown

People Served35K

26 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Brewster

People Served35K

164 results on file

Above Guidelines2

View Report →

Hyannis

People Served35K

167 results on file

Above Guidelines2

View Report →

Abington

People Served35K

169 results on file

Above Guidelines5

View Report →

Randolph Town

People Served34K

37 results on file

Above Guidelines4

View Report →

Randolph

People Served34K

37 results on file

Above Guidelines4

View Report →

Marshfield

People Served34K

169 results on file

Above Guidelines2

View Report →

Franklin Town

People Served34K

169 results on file

Above Guidelines2

View Report →

Franklin

People Served34K

169 results on file

Above Guidelines2

View Report →

Needham

People Served33K

167 results on file

Above Guidelines5

View Report →

Lexington

People Served32K

25 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

North Andover

People Served31K

107 results on file

Above Guidelines3

View Report →

Tewksbury

People Served31K

167 results on file

Above Guidelines4

View Report →

Milford

People Served30K

169 results on file

Above Guidelines4

View Report →

Chatham

People Served30K

166 results on file

Above Guidelines3

View Report →

Northampton

People Served30K

169 results on file

Above Guidelines2

View Report →

Wellesley

People Served30K

166 results on file

Above Guidelines5

View Report →

Melrose

People Served29K

26 results on file

Above Guidelines0

View Report →

Stoughton

People Served29K

160 results on file

Above Guidelines4

View Report →

West Springfield Town

People Served29K

155 results on file

Above Guidelines0

View Report →

West Springfield

People Served29K

155 results on file

Above Guidelines0

View Report →

Chelmsford

People Served29K

164 results on file

Above Guidelines6

View Report →

North Attleborough Town

People Served29K

171 results on file

Above Guidelines5

View Report →

North Attleborough

People Served29K

171 results on file

Above Guidelines5

View Report →

Agawam Town

People Served29K

36 results on file

Above Guidelines3

View Report →

Agawam

People Served29K

36 results on file

Above Guidelines3

View Report →

Milton

People Served29K

26 results on file

Above Guidelines0

View Report →

Saugus

People Served29K

26 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Norwood

People Served28K

26 results on file

Above Guidelines0

View Report →

Danvers

People Served28K

163 results on file

Above Guidelines4

View Report →

Wakefield

People Served27K

162 results on file

Above Guidelines4

View Report →

Reading

People Served27K

27 results on file

Above Guidelines0

View Report →

Bridgewater Town

People Served27K

169 results on file

Above Guidelines5

View Report →

Bridgewater

People Served27K

169 results on file

Above Guidelines5

View Report →

Walpole

People Served26K

162 results on file

Above Guidelines4

View Report →

Burlington

People Served26K

165 results on file

Above Guidelines5

View Report →

Dracut

People Served25K

160 results on file

Above Guidelines3

View Report →

Belmont

People Served25K

25 contaminants listed, only bacteria and PFAS results on file

Above Guidelines0

View Report →

Dartmouth

People Served25K

165 results on file

Above Guidelines5

View Report →

Oak Bluffs

People Served24K

161 results on file

Above Guidelines0

View Report →

Mansfield

People Served24K

165 results on file

Above Guidelines5

View Report →

Wilmington

People Served23K

164 results on file

Above Guidelines4

View Report →

Stoneham

People Served23K

26 results on file

Above Guidelines0

View Report →

Sandwich

People Served23K

149 results on file

Above Guidelines0

View Report →

Showing top 100 of 356 cities by population.

Use the search box above to find any city in Massachusetts.

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