City Water Quality Rankings in Massachusetts
283 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#241
Bridgewater
County, MA
56 D
#242 Brockton
County, MA
56 D
#243 Attleboro
County, MA
55 D
#244 Fitchburg
County, MA
54 D
#245 Leominster
County, MA
54 D
#246 Maynard
County, MA
54 D
#247 Webster
County, MA
54 D
#248 Grafton
County, MA
53 D
#249 Dudley
County, MA
52 D
#250 Ipswich
County, MA
52 D
#251 Plymouth
County, MA
52 D
#252 Russell
County, MA
52 D
#253 Bernardston
County, MA
50 D
#254 Billerica
County, MA
50 D
#255 Dalton
County, MA
50 D
#256 Northampton
County, MA
50 D
#257 Easthampton
County, MA
48 D
#258 Gardner
County, MA
48 D
#259 Rutland
County, MA
48 D
#260 South Egremont
County, MA
48 D
#261 Amherst
County, MA
46 D
#262 Longmeadow
County, MA
46 D
#263 Upton
County, MA
44 F
#264 Winchester
County, MA
44 F
Frequently Asked Questions
How are city water quality rankings calculated in Massachusetts?
WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.
Can I compare two cities in Massachusetts?
Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.
How often does WaterQ refresh city data?
City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.