City Water Quality Rankings in Massachusetts
281 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#217
Worcester
County, MA
64 C
#218 Bridgewater
County, MA
63 C
#219 Leicester
County, MA
63 C
#220 Burlington
County, MA
62 C
#221 Gloucester
County, MA
62 C
#222 Marlborough
County, MA
62 C
#223 Needham
County, MA
62 C
#224 Paxton
County, MA
62 C
#225 Rochdale
County, MA
62 C
#226 Ware
County, MA
62 C
#227 Lawrence
County, MA
61 C
#228 Ashland
County, MA
60 C
#229 Holden
County, MA
60 C
#230 Southwick
County, MA
60 C
#231 Whitman
County, MA
60 C
#232 Palmer
County, MA
58 D
#233 Turners Falls
County, MA
58 D
#234 Winchendon
County, MA
58 D
#235 Brockton
County, MA
57 D
#236 Blackstone
County, MA
56 D
#237 Fitchburg
County, MA
56 D
#238 Maynard
County, MA
56 D
#239 Attleboro
County, MA
55 D
#240 Leominster
County, MA
54 D
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.