City Water Quality Rankings in Massachusetts
283 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#217
Lee
County, MA
64 C
#218 Nantucket
County, MA
64 C
#219 Oak Bluffs
County, MA
64 C
#220 Southbridge
County, MA
64 C
#221 Worcester
County, MA
64 C
#222 Leicester
County, MA
63 C
#223 Gloucester
County, MA
62 C
#224 Lawrence
County, MA
62 C
#225 Marlborough
County, MA
62 C
#226 Needham
County, MA
62 C
#227 Topsfield
County, MA
62 C
#228 Ware
County, MA
62 C
#229 Ashland
County, MA
61 C
#230 Burlington
County, MA
60 C
#231 Paxton
County, MA
60 C
#232 Southwick
County, MA
60 C
#233 Whitman
County, MA
60 C
#234 Rochdale
County, MA
59 D
#235 Sterling
County, MA
59 D
#236 Holden
County, MA
58 D
#237 Palmer
County, MA
58 D
#238 Turners Falls
County, MA
58 D
#239 Winchendon
County, MA
58 D
#240 Blackstone
County, MA
56 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.